Materiały źródłowe

• #1 Dwarfism – Diagnosis and treatment – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/dwarfism/diagnosis-treatment/drc-20371975

  Your pediatrician likely will look at several factors to learn about your child’s growth and find out whether your child has a dwarfism-related condition. Your pediatrician may send your child to doctors in other specialties such as endocrinology and genetics. In some cases, disproportionate dwarfism may be suspected during a prenatal ultrasound if very short limbs in relation to the trunk are noted. […] Diagnostic tests may include: […] Genetic tests are available for many genetic causes of dwarfism-related conditions. Your doctor may suggest a test to confirm the diagnosis. This test could help manage the condition and aid in family planning. […] If your family healthcare professional or pediatrician thinks that your child shows signs of dwarfism, you may want to ask these questions: What diagnostic tests are needed?

• #1 Dwarfism – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK563282/

  Dwarfism is the medical terminology for short-stature. It is defined as height-vertex below two standard deviations (-2SD) or in the third percentile for a given age and sex. The standing height is measured from ground to the vertex when the head is in the Frankfurt-horizontal plane. This activity outlines the evaluation and management of dwarfism and highlights the interprofessional team’s role in managing patients with this condition. […] The child’s assessment and evaluation aim to identify the pathological causes of short stature and intervene accordingly. […] A thorough clinical history is vital in establishing the cause of dwarfism. The child’s clinical record should include relevant data from gestation to birth, developmental milestones, and puberty emergence. […] The child under evaluation undergoes a series of biochemical and radiological tests:

• #1

  https://www.parkwayeast.com.sg/conditions-diseases/dwarfism/diagnosis-treatment

  Some forms of dwarfism may be suspected in utero such as during a prenatal ultrasound if very short limbs are observed. Otherwise, dwarfism may be diagnosed at birth or later during infancy, through tests such as X-rays and a physical exam. […] To diagnose dwarfism, your doctor may review the following: Family history. Your specialist may check the height history of siblings, parents, grandparents or other relatives. Appearance. Certain facial and skeletal features are associated with several dwarfism disorders and may help your specialist to make a diagnosis. Measurements. Your specialist may take height, weight and head circumference measurements to identify abnormal growth, such as delayed growth or a disproportionately large head. Imaging results. Imaging studies such as X-rays can reveal abnormalities of the skull and skeleton, and delayed maturation of bones (e.g. due to a growth hormone deficiency). A magnetic resonance imaging (MRI) scan may reveal abnormalities of the pituitary gland or hypothalamus, which affect hormone production. Genetic tests. DNA tests may be done before or after birth to look for genetic mutations linked to dwarfism. Hormone tests. Your doctor may order tests that assess levels of growth hormone or other hormones that are critical for childhood growth and development.

• #1 Dwarfism – Symptoms and causes – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/dwarfism/symptoms-causes/syc-20371969

  Symptoms of disproportionate dwarfism often are present at birth or in early infancy. […] Proportionate dwarfism may not be seen at first. See your child’s healthcare professional if you are worried about your child’s growth or overall development. […] Growth hormone deficiency is a fairly common cause of proportionate dwarfism. It occurs when the pituitary gland doesn’t make enough growth hormone. This hormone is needed for typical childhood growth. […] Signs include: Height below the third percentile on standard pediatric growth charts. […] Growth rate slower than expected for age. […] Delayed or no sexual development during the teen years.

• #1 Azthena logo with the word Azthena

  https://www.news-medical.net/health/Dwarfism-Diagnosis.aspx

  A diagnosis of dwarfism or restricted growth is based on a number of factors. A pediatrician will evaluate the child’s growth and development using a range of tests. Some of the steps taken to diagnose this condition include: […] At each well-baby examination, the baby’s weight, height and head circumference are taken as part of routine check-up. The doctor records the measurements in a chart, to keep track of the baby’s growth and development. […] The physician may also ask for a history of stature among the relatives of the baby in order to establish whether short stature is a normal feature in the family. […] Tests may be arranged to check the baby’s level of growth hormone as well as other hormones essential to growth and development. […] Imaging studies that may be performed include X-ray to check the skull and skeleton and magnetic resonance imaging (MRI) to check whether there are any abnormalities in the pituitary gland or hypothalamus, parts of the brain that are both involved in hormone function. […] A variety of tests are available to check for the presence of genes known to be involved in dwarfism, but these tests alone are not usually enough to base a diagnosis on.

• #1 Achondroplasia in Infants and Toddlers | Support and Resources

  https://myachonjourney.com/achondroplasia-in-infants/

  Many children with achondroplasia are not diagnosed until after birth. […] Clinical evaluation, X-rays, and genetic testing are the typical ways to receive a diagnosis after the baby is born. If you suspect your child has achondroplasia, talk to their pediatrician about testing. […] Although achondroplasia can be diagnosed based on physical features alone, genetic testing can confirm the diagnosis. This testing can distinguish achondroplasia from other types of skeletal dysplasia, like hypochondroplasia. […] Diagnosis may involve measurements of head circumference, an overnight sleep study (polysomnography), fast magnetic resonance imaging (MRI) conducted in both flexion and extension positions, and/or a computed tomography (CT) scan. […] Diagnosis is made by a pediatric neurosurgeon and may include a neurologic examination, overnight sleep study (polysomnography), magnetic resonance imaging (MRI) conducted in both flexion and extension positions, and a computed tomography (CT) scan.

• #1 Achondroplasia – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK559263/

  Achondroplasia is the most common skeletal dysplasia found in humans, accounting for 90% of cases of disproportionate short stature. […] This activity reviews the evaluation and management of achondroplastic patients and emphasizes the importance of the interprofessional team in the diagnosis and treatment of associated conditions in children with this disorder. […] There are no diagnostic algorithms for achondroplasia; the diagnosis can usually be made with certain characteristics and specific radiologic features. […] Diagnosis can be confirmed by molecular genetic testing for the FGFR3 mutation. FGFR3 testing is indicated in children with an atypical presentation or to differentiate from similar disorders. […] Prenatal diagnosis can occur incidentally during a routine second or third-trimester ultrasound if shortened long bones are appreciated in the developing fetus. […] Molecular genetic testing should always be performed in children with an atypical presentation or in circumstances in which differentiation is required from similar disorders.

• #1 Achondroplasia Dwarfism: Rare Disease Health Guide

  https://www.webmd.com/children/achondroplasia-dwarfism

  Achondroplasia Diagnosis Doctors can diagnose achondroplasia during pregnancy using ultrasound imaging to measure bones. DNA testing can confirm the diagnosis. Typically doctors do this if one or both parents have achondroplasia themselves. […] Most cases are diagnosed after birth. Typically, a physical exam is all thats needed for a doctor to diagnose your child with the disorder. But because there are treatments now available for achondroplasia, some parents and doctors prefer a DNA confirmation so they can use those treatments. […] To diagnose your child with achondroplasia, a doctor may order several tests, including: X-rays, MRI or CT scan to identify muscle weakness or spinal cord compression. […] If your baby is diagnosed with achondroplasia, their doctor will monitor them closely for their first 2 years of life. […] Children with achondroplasia tend to crawl and walk later than children without the disorder. Theyre also prone to more ear infections. They may need X-rays periodically to look at their spine for compression issues.

• #1 Achondroplasia: a comprehensive clinical review | Orphanet Journal of Rare Diseases | Full Text

  https://ojrd.biomedcentral.com/articles/10.1186/s13023-018-0972-6

  It is critical that diagnosis not be delayed since certain complications can only be prevented through assessment in early infancy. […] No formal clinical diagnostic criteria have been published, but well defined clinical and radiologic characteristics of achondroplasia usually allow for virtual certainty. […] In summary, those features that are diagnostically most helpful in the neonate and young infant include: rhizomelic shortening of the arms; macrocephaly; midfacial hypoplasia and nasal anteversion; small chest; short fingers and trident configuration; hypermobility of the hips and knees; hypotonia. […] Diagnostic confirmation requires radiographic assessment. […] Only rarely should diagnostic uncertainty remain after careful clinical and radiologic assessment. […] When needed, molecular testing is straightforward.

• #1 Achondroplasia | Doctor

  https://patient.info/doctor/achondroplasia

  The diagnosis is based on the typical clinical and X-ray features. […] Prenatal diagnosis is by ultrasound. However, prenatal sonographic diagnosis often fails as limb length is preserved until around 22 weeks of gestation, after the time of the routine fetal anomaly scan. […] The use of MRI in the prenatal diagnosis of skeletal dysplasia has also been researched and has been shown to confirm the diagnosis in 82% of cases. […] Prenatal diagnosis of homozygous achondroplasia is also available in families at risk and in which the parents are heterozygous for either the 1138A or 1138C allele. […] Plasma can be analysed for the FGFR3 mutation in the mother when a short-limb skeletal dysplasia is diagnosed prenatally on ultrasound. […] A full skeletal survey should be undertaken if there is clinical suspicion of skeletal dysplasia, such as disproportionate short stature, limb malalignment or specific dysmorphic features.

• #1 Achondroplasia Treatment – MU Health Care – Columbia, MO

  https://www.muhealth.org/conditions-treatments/pediatrics/orthopaedics/skeletal-dysplasia/achondroplasia

  Achondroplasia is the result of a mutation in the FGFR3 gene and might be detected using radiological techniques, physical exams and genetic testing. […] A diagnosis can be obtained during fetal development after 22 weeks gestation. Routine ultrasound can detect the presence of short limbs, but an achondroplasia diagnosis is confirmed by testing the fetal DNA using amniocentesis. For families with a history of achondroplasia, amniocentesis or chorionic villus sampling (CVS) might be used to diagnose achondroplasia. However, not all individuals are diagnosed at birth, in which case clinical and radiologic evaluation by an experienced physician might be used to confirm achondroplasia. […] If an achondroplasia diagnosis is still in doubt after clinic and radiographic evaluations, genetic testing might be necessary.

• #1 International Consensus Statement on the diagnosis, multidisciplinary management and lifelong care of individuals with achondroplasia | Nature Reviews Endocrinology

  https://www.nature.com/articles/s41574-021-00595-x

  Genetic analysis of the FGFR3 gene can be considered for individuals with clinical and/or radiographic suspicion of achondroplasia to confirm the diagnosis, tailor clinical care and exclude other possible skeletal dysplasias that can mimic achondroplasia. […] Prenatal diagnosis of achondroplasia is indicated in two situations. The first situation is where there is a family history of achondroplasia, either because of an affected parent or because the child from a previous pregnancy has achondroplasia, and the parents request prenatal diagnosis. The second situation is where there are features detected on fetal ultrasound suggestive of achondroplasia and a definitive diagnosis is required to facilitate accurate prenatal counselling, which should include a discussion of postnatal management and prognosis.

• #1 Achondroplasia: a comprehensive clinical review | Orphanet Journal of Rare Diseases | Full Text

  https://ojrd.biomedcentral.com/articles/10.1186/s13023-018-0972-6

  Testing is available commercially from a large number of laboratories. […] Only very rarely and in very unusual circumstances will any additional molecular testing be warranted. […] In the most general sense, any short limb dwarfing disorder would fall within the spectrum of the differential diagnosis of achondroplasia. […] Nonetheless, occasionally molecular testing is warranted in distinguishing hypochondroplasia and achondroplasia. […] If a child being assessed clearly has either achondroplasia or hypochondroplasia but it is uncertain which of these is present, the most parsimonious approach is to test for the achondroplasia pathogenic variant first. […] If it is present, the diagnosis is confirmed. […] If absent (and since virtually all individuals with achondroplasia have the so-called common mutation) and the child clearly has one or the other of these diagnoses, then a diagnosis of hypochondroplasia can be made.

• #1 Short Stature: Practice Essentials, Pathophysiology, Epidemiology

  https://emedicine.medscape.com/article/913843-workup

  Longitudinal growth assessment is essential in child care. Short stature can be promptly recognized only with accurate measurements of growth and critical analysis of growth data. […] Accurate longitudinal growth assessment is a fundamental aspect of health maintenance in children. Reviewing the patient’s growth chart is critical to evaluating short stature. […] The proper evaluation of short stature is conducted in an outpatient setting with a calibrated stadiometer. The most useful information in the evaluation of a child with short stature is the child’s growth pattern. […] Medical care depends on the etiology of the short stature. […] Laboratory studies used to assess the major causes of short stature in children include the following: Measurement of serum levels of insulinlike growth factor-I (IGF-I), formerly named somatomedin C, and IGF binding protein-3 (IGFBP-3); Karyotype by G-banding; Measurement of serum levels of growth hormone (GH). […] Several provocative tests have been developed for the evaluation of suspected GH deficiency (GHD).

• #1

  https://111.wales.nhs.uk/encyclopaedia/r/article/restrictedgrowth

  Restricted growth may be diagnosed before a child is born, soon afterwards, or when growth problems become more obvious as they get older. […] Growth hormone deficiency is usually diagnosed using growth hormone stimulation tests. […] A brain scan will be needed to look at the pituitary gland (which produces growth hormone) if blood tests show low levels of growth hormone. […] If one or both parents have a family history of a condition that causes short stature, their baby can be tested for this during pregnancy (prenatal diagnosis).

• #1 Primordial dwarfism – Wikipedia

  https://en.wikipedia.org/wiki/Primordial_dwarfism

  Primordial dwarfism (PD) is a form of dwarfism that results in a smaller body size in all stages of life beginning from before birth. […] Most individuals with primordial dwarfism are not diagnosed until they are about 35 years of age. […] Medical professionals typically diagnose the fetus as being small for gestational age, or as showing intrauterine growth restriction when an ultrasound is conducted. […] Most cases of short stature are caused by skeletal or endocrine disorders. […] Since primordial dwarfism disorders are extremely rare, misdiagnosis is common. […] The correct diagnosis of PD may not be made until the child is 5 years old and it becomes apparent that the child has severe dwarfism.

• #1 Clinical Challenges in Diagnosing Primordial Dwarfism: Insights from a MOPD II Case Study

  https://www.mdpi.com/1648-9144/60/11/1906

  Primordial dwarfism (PD) is a rare group of genetic conditions where individuals experience severe growth restriction, both in the womb and after birth. […] Diagnosing and managing PD presents significant challenges due to its rarity and the wide range of clinical and genetic variability. […] Accurately diagnosing PD requires meticulous evaluation, as it can be easily confused with other genetic disorders that also cause dwarfism. […] Diagnosing PD is challenging for clinicians due to several factors: the rarity and diversity of these conditions, their presence in intrauterine life, similarities to other disorders associated with short stature, and the complex genetic nature of the associated mutational variations. […] Diagnosis may require long-term observation to track growth patterns and the development of symptoms over time, which may delay the identification of the specific disorder.

• #1 Primordial Dwarfism Causes & Symptoms

  https://www.nemours.org/conditions-treatments/primordial-dwarfism/about-primordial-dwarfism.html

  MOPDII is associated with changes in a gene called pericentrin (PCNT). […] There is genetic testing clinically available to confirm this diagnosis. […] Bone age studies usually show decreased bone age. That is, the skeletal maturation process is slowed in these children and can be read as delayed 25 years behind the chronologic age. […] Congenital renal and kidney anomalies have been described, so a renal ultrasound and an echocardiogram should be performed when the diagnosis is made. […] Yearly screening labs for insulin resistance should begin by 5 years of age and include studies of glucose homeostasis, liver function, and lipid profiles.

• #1 Dwarfism (Restricted Growth): Types and Causes

  https://patient.info/bones-joints-muscles/restricted-growth-dwarfism

  Dwarfism is a medical or genetic condition which causes people to have restricted growth so that they are shorter than average. Specifically, people with dwarfism grow no higher than 4 ft 10 ins (147 cm). […] How is dwarfism diagnosed? […] This will partly depend on the reason for dwarfism. Babies born with achondroplasia are often diagnosed at birth, simply from their typical appearance. The most common tests used for diagnosis include: Genetic tests. Blood tests. X-rays. […] Some people with dwarfism are diagnosed later in childhood, when it is noticed that they are not growing as much as other children of their age. […] In making a diagnosis, doctors will take into account the pattern of growth, family history, other problems or features, findings on examination, blood tests and sometimes X-rays. Often blood tests for genetic conditions will be needed. […] Some genetic conditions are suspected from tests done while the baby is still in the womb, and can be checked by tests done even before birth.

• #1

  https://www.gleneagles.com.sg/conditions-diseases/dwarfism/faq

  It is possible to diagnose certain types of dwarfism in utero through an ultrasound scan. Your gynaecologist will measure if your baby is hitting certain gestational milestones, such as length size, during your pregnancy. […] Other tests that can detect dwarfism in the womb include: Amnionic fluid check, Amniocentesis testing, Chorionic villus sampling. […] Your doctor may recommend other tests to confirm the diagnosis such as: Amniocentesis testing, Chorionic villus sampling.

• #1 Achondroplasia

  https://www.isuog.org/clinical-resources/patient-information-series/patient-information-pregnancy-conditions/extremities/achondroplasia.html

  Achondroplasia is typically detected during the third trimester of pregnancy when the long bones fail to demonstrate adequate serial growth or it may be detected postnatally. The most common finding that is first noticed on ultrasound are shortened arm and leg bones in the fetus. […] An amniocentesis; this is done by removing a small amount of amniotic fluid surrounding the fetus with a needle and syringe. This fluid contains cells and genetic material from the fetus and may be tested to see if the genetic mutation associated with achondroplasia is present for confirmatory testing. […] Can diagnostic testing be performed?

• #1 Achondroplasia (Dwarfism): Symptoms, Genetics, Definition, Inheritance, Treatment

  https://www.medicinenet.com/achondroplasia/article.htm

  Achondroplasia is a genetic (inherited) condition that results in abnormally short stature and is the most common cause of short stature with disproportionately short limbs. […] The diagnosis of achondroplasia can be based on the typical physical features, the hallmarks of achondroplasia, evident at birth. Characteristic features are also seen by X-rays, ultrasound, and other imaging techniques. With ultrasound imaging, the diagnosis can sometimes be strongly suspected before birth. […] The molecular diagnosis of achondroplasia before birth is possible if there is suspicion of the diagnosis or an increased risk (such as when a parent is affected by achondroplasia). In families in which both parents have achondroplasia, prenatal diagnosis may be particularly useful, the aim being to distinguish fatal homozygous achondroplasia (with two copies of the defective gene) from heterozygous achondroplasia (with one copy of the achondroplasia gene) from normal. Diagnosis before birth is accomplished by examining cells obtained by chorionic villus sampling (CVS) or amniocentesis.

• #1 Dwarfism – MD Searchlight

  https://mdsearchlight.com/genetic-disorders/dwarfism/

  Dwarfism can be divided into two main types, based on how a person looks: proportionate short stature (PSS) and disproportionate short stature (DSS). […] The purpose of evaluating a child with dwarfism is to identify any specific causes of their short stature and provide the appropriate interventions or treatments. […] Understanding the cause of dwarfism requires a detailed medical history of the patient. […] Regular measurements of body weight, height, torso height, and limb length are taken during pediatric appointments. […] To properly diagnose dwarfism, a doctor may order the following tests: – Biochemical tests: – Complete blood count to check for diseases related to blood, such as anemia. […] Imaging tests: – X-ray of the left hand and wrist to estimate future adult height.

• #1 Dwarfism – Wikipedia

  https://en.wikipedia.org/wiki/Dwarfism

  Dwarfism is often diagnosed in childhood on the basis of visible symptoms. A physical examination can usually suffice to diagnose certain types of dwarfism, but genetic testing and diagnostic imaging may be used to determine the exact condition. […] Short stature or stunted growth during youth is usually what brings the condition to medical attention. Skeletal dysplasia is usually suspected because of obvious physical features (e.g., unusual configuration of face or shape of skull), because of an obviously affected parent, or because body measurements (arm span, upper to lower segment ratio) indicate disproportion. […] Bone X-rays are often key to diagnosing a specific skeletal dysplasia, but are not the sole diagnostic tool. Most children with suspected skeletal dysplasias are referred to a genetics clinic for diagnostic confirmation and genetic counseling. Since about the year 2000, genetic tests for some of the specific disorders have become available. […] During an initial medical evaluation of shortness, the absence of disproportion and other clues listed above usually indicates causes other than bone dysplasias.

• #1 Dwarfism | Better Health Channel

  https://www.betterhealth.vic.gov.au/health/conditionsandtreatments/dwarfism

  Dysplasia means 'abnormal growth’. There are around 100 different types of skeletal dysplasias, with achondroplasia being the most common form of disproportionate short stature. Other skeletal dysplasias can cause short-trunk disorders and proportionate short stature. A skeletal dysplasia is diagnosed with a variety of tests, including physical examination, x-rays, tissue and bone samples, and specific genetic tests. […] There is no cure for achondroplasia. Human growth hormone has no place in its management, as the condition is not caused by a lack of growth hormone. Treatment focuses on the prevention, management and treatment of medical complications as well as social and family support. This may include: […] If your child or another family member has been diagnosed with dwarfism, or if dwarfism runs in your family, it can be helpful to speak to a genetic counsellor. Genetic counsellors are health professionals qualified in both counselling and genetics. As well as providing emotional support, they can help you to understand dwarfism and what causes it, how it is inherited, and what a diagnosis means for your child’s health and development, and for your family. They can also explain what genetic testing options are available to you and other family members. Genetic counsellors are trained to provide information and support that is sensitive to your family circumstances, culture and beliefs.

• #1 Dwarfism // Middlesex Health

  https://middlesexhealth.org/learning-center/diseases-and-conditions/dwarfism

  If your family healthcare professional or pediatrician thinks that your child shows signs of dwarfism, you may want to ask these questions: […] What diagnostic tests are needed? […] How will you screen for conditions or complications that are commonly related to the type of dwarfism affecting my child?

• #1 Achondroplasia: a comprehensive clinical review | Orphanet Journal of Rare Diseases | Full Text

  https://ojrd.biomedcentral.com/articles/10.1186/s13023-018-0972-6

  Although the risk of death remains uncertain, consensus has developed that it is substantial. […] While that may be a maximal risk and may, indeed, be an overestimate, nonetheless, without special assessment and, when needed, surgical intervention, that risk is likely at least 23%. […] A standard assessment needs to include the following components: Neurologic history and neurologic examination, the latter emphasizing whether there is hypotonia more severe than typical for babies with achondroplasia, and whether hyperreflexia or clonus is demonstrable. […] Imaging of the craniocervical junction. […] Polysomnography (sleep study). […] In our center, only in infants who have worrisome features based on these initial assessments is magnetic resonance imaging (MRI) completed. […] A standard assessment needs to include the following components: Neurologic history and neurologic examination, the latter emphasizing whether there is hypotonia more severe than typical for babies with achondroplasia, and whether hyperreflexia or clonus is demonstrable. […] Imaging of the craniocervical junction. […] Polysomnography (sleep study). […] In our center, only in infants who have worrisome features based on these initial assessments is magnetic resonance imaging (MRI) completed.

• #1 Achondroplasia: Update on diagnosis, follow-up and treatment | Anales de Pediatría

  https://www.analesdepediatria.org/en-achondroplasia-update-on-diagnosis-follow-up-articulo-S2341287922002228

  Multidisciplinary follow-up is required from diagnosis, as achondroplasia is associated with increased morbidity and potentially fatal complications and therefore affected patients may benefit from a scheduled follow-up plan. […] The main goals of care are to anticipate, detect and manage complications and to support autonomy, quality of life and independence. […] The American Association of Pediatrics has published a timeline for the health supervision of people with achondroplasia through the lifespan, with screening at each time point requiring anthropometric measurements, a physical examination, a neurological examination and an otorhinolaryngology evaluation. […] Exhaustive monitoring is essential in this stage, if possible, every 2 or 4 months. […] The anthropometric evaluation should include basic parameters such as weight, height, sitting height, head circumference and arm span.

• #1 Dwarfism | Beacon Health System

  https://www.beaconhealthsystem.org/library/diseases-and-conditions/dwarfism?content_id=CON-20371954

  Some conditions that cause dwarfism can cause various problems with development and growth, as well as medical complications. Several specialists may be involved in screening for specific conditions, making diagnoses, recommending treatments and providing care. This team may change as your child’s needs change. Your child’s pediatrician or family healthcare professional can coordinate the care.

• #1 Achondroplasia: Update on diagnosis, follow-up and treatment | Anales de Pediatría

  https://www.analesdepediatria.org/en-achondroplasia-update-on-diagnosis-follow-up-articulo-S2341287922002228

  Most surgical interventions are performed to manage complications. […] The most frequent type of procedures in the early years of life are neurosurgery (foramen magnum stenosis and ventriculoperitoneal shunts), ear, nose and throat surgery (myringotomy, tonsillectomy and adenoidectomy) and, less frequently, orthopaedic surgery for treatment of thoracolumbar kyphosis. […] Achondroplasia is a rare disease and is the most frequent type of skeletal dysplasia manifesting with short stature. […] It is essential for affected individuals to receive psychological and peer support to improve quality of life and promote autonomy.

• #1 FDA approval grows use of growth therapy for children with achondroplasia  – CHOC Pediatrica

  https://care.choc.org/fda-approval-grows-use-of-growth-therapy-for-children-with-achondroplasia/

  In November 2021, the FDA approved Voxzogo (vosoritide) to assist with linear growth in children ages 5 and older with achondroplasia whose growth plate remained open. At the end of 2023, the FDA extended approval to children of all ages with achondroplasia with open growth plates. […] To begin treatment as early as possible, it is incumbent upon clinicians to identify and refer patients with features of or similar to those of achondroplasia to experts in the following disciplines: Genetics. A timely genetic-centric diagnosis allows therapy to begin as early as possible. […] After a child receives a diagnosis of achondroplasia, the newly updated approval permits them to begin a regimen of Voxzogo at any age. […] When parents and referring physicians indicate concern about using a medication for 15 years, Dr. Bhangoo points to data showing eight years of Voxzogo without “severe adverse effects or any development of new events.”

• #1 FDNA™Achondroplasia Syndrome: Symptoms, Causes, and Diagnosis

  https://fdna.com/health/resource-center/achondroplasia-ach/

  Achondroplasia is characterized by short-limb dwarfism. The syndrome makes it difficult for the body to convert cartilage into bone, which leads to restricted bone growth. It is the most common cause of dwarfism. […] To find out if someone has a diagnosis of Achondroplasia, it is important to have a consultation and evaluation with a clinical genetic specialist. Specialists may also suggest specific genetic testing or other types of tests to help reach a diagnosis. FDNAs AI technology can help speed up the diagnostic process by analyzing facial features and other health information.

• #1 Growth Problems | Boston Children’s Hospital

  https://www.childrenshospital.org/conditions/growth-problems

  Diagnosis of a growth problem must be made by your child’s physician, and the method will depend on your child’s symptoms. In addition to a complete medical history, physical examination, and asking about the heights and any health problems of the child’s relatives, diagnostic tests may include: […] It’s important for growth problems to be diagnosed early, since the earlier the diagnosis, the more effective treatment may be. […] If a medical condition causes the growth problem, treatment of that condition may alleviate the growth problem. Your child’s doctor will determine the best course of treatment, which often involves hormone replacement therapy.

• #1 Short stature: Causes, types, and treatments

  https://www.medicalnewstoday.com/articles/170880

  If growth is restricted or delayed because of a hormonal problem, GH treatment may be necessary. […] In children who produce too little GH, a daily injection of hormone treatment may stimulate physical growth later in life. […] Because DSS often stems from a genetic condition, treatment focuses on managing any symptoms and complications. […] Regular monitoring from a doctor can reduce the risk of complications.

• #2 Restricted growth (dwarfism)

  https://www.nhs.uk/conditions/restricted-growth/

  Restricted growth is often diagnosed when a baby is born. Sometimes it’s not diagnosed until later, when a child is not growing as expected for their age. […] If a doctor thinks you or your child may have restricted growth, they may recommend tests such as: blood tests, genetic tests, X-rays.

• #2 Dwarfism: Types, Causes, Treatments, and More

  https://www.webmd.com/children/dwarfism-causes-treatments

  Doctors may also use these tests to help diagnose dwarfism: Appearance. Children with possible dwarfism may have changes to their skeleton or facial structures as they develop. Chart comparisons. At regular check-ups, your child’s height, weight, and head circumference will be measured and compared to percentiles for standard development for their age. If your child shows any signs of abnormal growth, they may need more frequent measurements. Imaging. Doctors may spot signs of achondroplasia, such as shorter limbs, or other causes of dwarfism on ultrasounds of a fetus during pregnancy. X-rays of babies or children may show that their arms or legs are not growing at a normal rate, or that their skeleton shows signs of dysplasia. MRI scans can show any problems with the pituitary gland or hypothalamus, which affect hormone production. Genetic testing. DNA tests may be done before or after birth to look for genetic mutations linked to dwarfism. Girls with suspected Turner syndrome may need DNA tests to check their X chromosomes. DNA testing may help parents with family planning if they wish to have more children. Family history. Pediatricians may check the height and size of other family members, such as siblings, to compare with the child with suspected dwarfism. Hormone tests. Tests of growth hormone levels can confirm if they’re low.

• #2 Growth Disorders & Short Stature | Riley Children’s Health

  https://www.rileychildrens.org/health-info/growth-disorders-short-stature

  Growth disorders and short stature can mean that your child is significantly shorter than other children of his or her gender and age. Short stature is a term used to describe children who are in the third percentile or less on the pediatric growth chart (a tool used by doctors to see how your child’s growth compares to the average pediatric growth pattern). […] Diagnosis of Growth Disorders & Short Stature […] Doctors at Riley at IU Health use the following exams and tests to diagnose short stature: Physical exam. Your child’s weight and height will be measured and marked on a pediatric growth chart. If your child is in the third percentile or less on the growth chart, he or she may be diagnosed with short stature. Bone age test. Your child’s doctor may perform a bone age test, which is an X-ray of the left hand and wrist. This test can show how much the bones of a child have matured and if there will be an impact on adult height. Blood tests. Your child’s doctor may perform blood tests to look for conditions that may slow growth.

• #2

  https://www.parkwayeast.com.sg/conditions-diseases/dwarfism/diagnosis-treatment

  Some forms of dwarfism may be suspected in utero such as during a prenatal ultrasound if very short limbs are observed. Otherwise, dwarfism may be diagnosed at birth or later during infancy, through tests such as X-rays and a physical exam. […] To diagnose dwarfism, your doctor may review the following: Family history. Your specialist may check the height history of siblings, parents, grandparents or other relatives. Appearance. Certain facial and skeletal features are associated with several dwarfism disorders and may help your specialist to make a diagnosis. Measurements. Your specialist may take height, weight and head circumference measurements to identify abnormal growth, such as delayed growth or a disproportionately large head. Imaging results. Imaging studies such as X-rays can reveal abnormalities of the skull and skeleton, and delayed maturation of bones (e.g. due to a growth hormone deficiency). A magnetic resonance imaging (MRI) scan may reveal abnormalities of the pituitary gland or hypothalamus, which affect hormone production. Genetic tests. DNA tests may be done before or after birth to look for genetic mutations linked to dwarfism. Hormone tests. Your doctor may order tests that assess levels of growth hormone or other hormones that are critical for childhood growth and development.

• #2 Growth Problems | Children’s Hospital of Philadelphia

  https://www.chop.edu/conditions-diseases/growth-problems

  Your child’s clinical team will complete a medical history and physical examination of your child. Diagnostic tests may include: Observing your child’s health and growth over several months, Blood tests (to rule out hormone, chromosomal, or other disorders associated with growth failure), X-ray of the bones (electromagnetic energy used to produce images of bones and internal organs on film to determine maturity and growth potential of bones), Examining the functions of the pituitary gland, which produces and secretes growth hormone and other hormones.

• #2 Dwarfism – Diagnosing restricted growth | Clear Chemist

  https://www.clearchemist.co.uk/az-health/dwarfism/diagnosing-restricted-growth

  A diagnosis of restricted growth (dwarfism) is based on symptoms, measurement of height, family history and tests. […] Growth hormone deficiency is usually diagnosed using growth hormone stimulation tests. […] Two growth hormone stimulation tests are usually required to diagnose growth hormone deficiency. […] Conditions that cause disproportionate short stature are often diagnosed at birth. […] Generally, the following tests are used to diagnose a condition that causes short stature: Blood tests to check for evidence of any liver, kidney and bone problems or malnutrition. […] Urine tests can confirm some enzyme deficiency disorders, such as mucopolysaccharide disease. […] Imaging tests such as X-rays or MRI scans check for abnormalities in the bones or pituitary gland, which may indicate growth hormone deficiency. […] Biopsies of bone marrow or skin can help diagnose abnormalities that indicate certain conditions.

• #2

  https://mysupportnetwork.ie/disabilities/dwarfism/

  Restricted growth is a symptom of many different medical conditions. It is more noticeable in some conditions than others. […] Diagnosis of restricted growth is based on symptoms, measurement of height, family history and tests. […] Proportionate short stature may not be noticeable until childhood or adolescence, when growth patterns start to show a delay. […] A diagnosis of growth hormone deficiency is usually confirmed using an insulin tolerance test (ITT), where insulin is injected into a patients vein to cause their blood sugar level to fall. […] The conditions that cause disproportionate short stature are often diagnosed at birth, but may be diagnosed later than this in some cases. […] Generally, the following tests are used to diagnose an underlying condition causing short stature: Blood tests to analyse chromosomes are used to diagnose some conditions. […] Urine tests can confirm some enzyme deficiency disorders (such as mucopolysaccharide disease). […] X-rays and biopsies of bone marrow or skin can help to diagnose abnormalities that indicate certain conditions.

• #2 Achondroplasia: a comprehensive clinical review | Orphanet Journal of Rare Diseases | Full Text

  https://ojrd.biomedcentral.com/articles/10.1186/s13023-018-0972-6

  Achondroplasia is the most common of the skeletal dysplasias that result in marked short stature (dwarfism). […] Although its clinical and radiologic phenotype has been described for more than 50 years, there is still a great deal to be learned about the medical issues that arise secondary to this diagnosis, the manner in which these are best diagnosed and addressed, and whether preventive strategies can ameliorate the problems that can compromise the health and well being of affected individuals. […] This review provides both an updated discussion of the care needs of those with achondroplasia and an exploration of the limits of evidence that is available regarding care recommendations, controversies that are currently present, and the many areas of ignorance that remain. […] The vast majority of individuals with achondroplasia are diagnosed in early infancy, although prenatal recognition has become more frequent and more accurate.

• #2 International Consensus Statement on the diagnosis, multidisciplinary management and lifelong care of individuals with achondroplasia | Nature Reviews Endocrinology

  https://www.nature.com/articles/s41574-021-00595-x

  Achondroplasia is transmitted in an autosomal dominant manner and is caused by pathogenic missense variants in FGFR3 (often de novo), which encodes fibroblast growth factor receptor 3 (FGFR3). The postnatal diagnosis of achondroplasia is fairly straightforward. A combination of key clinical (that is, macrocephaly, short limbed-short stature with rhizomelia and redundant skin folds) and radiographic (that is, characteristic pelvis with short and square ilia, narrow sacro-sciatic notches and narrowing interpedicular distances in the lumbar vertebral spine progressing from L1 to L5) features enables accurate diagnosis in most people with achondroplasia. Although achondroplasia can be diagnosed on a clinical basis without molecular tests, genetic testing can lead to rapid confirmation when limited clinical signs are present (for example, prenatally).

• #2 Achondroplasia Dwarfism: Rare Disease Health Guide

  https://www.webmd.com/children/achondroplasia-dwarfism

  Achondroplasia Diagnosis Doctors can diagnose achondroplasia during pregnancy using ultrasound imaging to measure bones. DNA testing can confirm the diagnosis. Typically doctors do this if one or both parents have achondroplasia themselves. […] Most cases are diagnosed after birth. Typically, a physical exam is all thats needed for a doctor to diagnose your child with the disorder. But because there are treatments now available for achondroplasia, some parents and doctors prefer a DNA confirmation so they can use those treatments. […] To diagnose your child with achondroplasia, a doctor may order several tests, including: X-rays, MRI or CT scan to identify muscle weakness or spinal cord compression. […] If your baby is diagnosed with achondroplasia, their doctor will monitor them closely for their first 2 years of life. […] Children with achondroplasia tend to crawl and walk later than children without the disorder. Theyre also prone to more ear infections. They may need X-rays periodically to look at their spine for compression issues.

• #2 Achondroplasia | Doctor

  https://patient.info/doctor/achondroplasia

  Confirmatory molecular analysis to detect the recurrent G380R FGFR3 mutations may be helpful where there is residual doubt about the diagnosis. […] X-rays show metaphyseal irregularity, flaring in the long bones, and late-appearing irregular epiphyses. The pelvis is narrow in anteroposterior diameter with deep sacroiliac notches and short iliac wings. The spine shows progressive narrowing of the interpedicular distance from top to bottom (reverse of normal). […] Molecular genetic testing is the gold standard. Whilst clinical and X-ray features will identify the majority of patients, this is the only means of differentiating achondroplasia from the other forms of skeletal dysplasias. It is also a helpful investigation prior to considering therapeutic options and genetic counselling.

• #2 Achondroplasia: a comprehensive clinical review | Orphanet Journal of Rare Diseases | Full Text

  https://ojrd.biomedcentral.com/articles/10.1186/s13023-018-0972-6

  Testing is available commercially from a large number of laboratories. […] Only very rarely and in very unusual circumstances will any additional molecular testing be warranted. […] In the most general sense, any short limb dwarfing disorder would fall within the spectrum of the differential diagnosis of achondroplasia. […] Nonetheless, occasionally molecular testing is warranted in distinguishing hypochondroplasia and achondroplasia. […] If a child being assessed clearly has either achondroplasia or hypochondroplasia but it is uncertain which of these is present, the most parsimonious approach is to test for the achondroplasia pathogenic variant first. […] If it is present, the diagnosis is confirmed. […] If absent (and since virtually all individuals with achondroplasia have the so-called common mutation) and the child clearly has one or the other of these diagnoses, then a diagnosis of hypochondroplasia can be made.

• #2 Achondroplasia Treatment – MU Health Care – Columbia, MO

  https://www.muhealth.org/conditions-treatments/pediatrics/orthopaedics/skeletal-dysplasia/achondroplasia

  Achondroplasia is the result of a mutation in the FGFR3 gene and might be detected using radiological techniques, physical exams and genetic testing. […] A diagnosis can be obtained during fetal development after 22 weeks gestation. Routine ultrasound can detect the presence of short limbs, but an achondroplasia diagnosis is confirmed by testing the fetal DNA using amniocentesis. For families with a history of achondroplasia, amniocentesis or chorionic villus sampling (CVS) might be used to diagnose achondroplasia. However, not all individuals are diagnosed at birth, in which case clinical and radiologic evaluation by an experienced physician might be used to confirm achondroplasia. […] If an achondroplasia diagnosis is still in doubt after clinic and radiographic evaluations, genetic testing might be necessary.

• #2 Achondroplasia (Dwarfism): Symptoms, Genetics, Definition, Inheritance, Treatment

  https://www.medicinenet.com/achondroplasia/article.htm

  Achondroplasia is a genetic (inherited) condition that results in abnormally short stature and is the most common cause of short stature with disproportionately short limbs. […] The diagnosis of achondroplasia can be based on the typical physical features, the hallmarks of achondroplasia, evident at birth. Characteristic features are also seen by X-rays, ultrasound, and other imaging techniques. With ultrasound imaging, the diagnosis can sometimes be strongly suspected before birth. […] The molecular diagnosis of achondroplasia before birth is possible if there is suspicion of the diagnosis or an increased risk (such as when a parent is affected by achondroplasia). In families in which both parents have achondroplasia, prenatal diagnosis may be particularly useful, the aim being to distinguish fatal homozygous achondroplasia (with two copies of the defective gene) from heterozygous achondroplasia (with one copy of the achondroplasia gene) from normal. Diagnosis before birth is accomplished by examining cells obtained by chorionic villus sampling (CVS) or amniocentesis.

• #2 A to Z: Pituitary Dwarfism | Dayton Children’s Hospital

  https://www.childrensdayton.org/kidshealth/a/az-pituitary-dwarfism

  Pituitary dwarfism, or growth hormone deficiency, is a condition in which the pituitary gland does not make enough growth hormone. This results in a child’s slow growth pattern and an unusually small stature (below average height). […] Pituitary gland dysfunction can be congenital, meaning the child was born with the abnormality, or can be acquired during or after birth. It tends to run in families. […] Some causes of acquired pituitary dwarfism include brain tumors or diseases that affect the pituitary or hypothalamus, head trauma, radiation therapy for certain cancers, and an autoimmune condition called lymphocytic hypophysitis. […] The main symptom of pituitary dwarfism is below-average growth, although body proportions will be normal. Other characteristics might include an immature appearance, a chubby body build, a prominent forehead, and an underdeveloped bridge of the nose.

• #2

  https://111.wales.nhs.uk/encyclopaedia/r/article/restrictedgrowth

  Restricted growth may be diagnosed before a child is born, soon afterwards, or when growth problems become more obvious as they get older. […] Growth hormone deficiency is usually diagnosed using growth hormone stimulation tests. […] A brain scan will be needed to look at the pituitary gland (which produces growth hormone) if blood tests show low levels of growth hormone. […] If one or both parents have a family history of a condition that causes short stature, their baby can be tested for this during pregnancy (prenatal diagnosis).

• #2 Short Stature | Children’s Hospital Colorado

  https://www.childrenscolorado.org/conditions-and-advice/conditions-and-symptoms/conditions/short-stature/

  Short stature means that a child is shorter than 95% to 97% of other children of the same age and sex. […] If you are concerned about your child’s height, we can provide an evaluation. […] We will take a medical history, do a physical exam and monitor your child’s growth for a period of time. This will show us whether their height and growth rate are within a typical range. If their height is below this range, we may assign a short stature diagnosis. If their growth rate is also below this range, we may assign a growth disorder diagnosis. […] Further evaluation may include: A review of your child’s prenatal, labor and delivery records, A review of the heights of the parents, Blood testing to check for anemia and other disorders associated with growth problems, A comprehensive metabolic profile to check your child’s kidney, liver and bone metabolism, A urine test to check how well your child’s kidneys work, A blood test to check your child’s ability to produce thyroid hormone, Measurement of insulin-like growth factor-1 (IGF-1) and insulin-like growth factor binding protein-3, An X-ray of your child’s hand and wrist to estimate their bone maturity and predict their remaining growth potential, An MRI to check your child’s pituitary gland and hypothalamus, A growth hormone stimulation test, using medicines to stimulate hormone production and an IV (intravenous line) to draw small blood samples every 30 minutes over several hours.

• #2 Primordial Dwarfism: Physical Features and Lifespan

  https://www.verywellhealth.com/primordial-dwarfism-2860989

  Primordial dwarfism is a group of rare genetic disorders that cause people to be abnormally small. […] A definitive diagnosis is not usually made until the child has the physical characteristics of severe dwarfism. By this point, X-rays will show a thinning of bones along with the widening of the ends of the long bones. […] There is currently no effective way to increase the rate of growth in a child with primordial dwarfism. Unlike children with hypopituitary dwarfism, the lack of normal growth is not related to a deficiency of growth hormone. Growth hormone therapy, therefore, will have little to no effect. […] Upon diagnosis, medical care will focus on the treatment of problems as they develop, such as infant feeding difficulties, scoliosis, and joint dislocations.

• #2 Clinical Challenges in Diagnosing Primordial Dwarfism: Insights from a MOPD II Case Study

  https://www.mdpi.com/1648-9144/60/11/1906

  Primordial dwarfism (PD) is a rare group of genetic conditions where individuals experience severe growth restriction, both in the womb and after birth. […] Diagnosing and managing PD presents significant challenges due to its rarity and the wide range of clinical and genetic variability. […] Accurately diagnosing PD requires meticulous evaluation, as it can be easily confused with other genetic disorders that also cause dwarfism. […] Diagnosing PD is challenging for clinicians due to several factors: the rarity and diversity of these conditions, their presence in intrauterine life, similarities to other disorders associated with short stature, and the complex genetic nature of the associated mutational variations. […] Diagnosis may require long-term observation to track growth patterns and the development of symptoms over time, which may delay the identification of the specific disorder.

• #2 Primordial dwarfism – Wikipedia

  https://en.wikipedia.org/wiki/Primordial_dwarfism

  Primordial dwarfism (PD) is a form of dwarfism that results in a smaller body size in all stages of life beginning from before birth. […] Most individuals with primordial dwarfism are not diagnosed until they are about 35 years of age. […] Medical professionals typically diagnose the fetus as being small for gestational age, or as showing intrauterine growth restriction when an ultrasound is conducted. […] Most cases of short stature are caused by skeletal or endocrine disorders. […] Since primordial dwarfism disorders are extremely rare, misdiagnosis is common. […] The correct diagnosis of PD may not be made until the child is 5 years old and it becomes apparent that the child has severe dwarfism.

• #2 Primordial Dwarfism Causes & Symptoms

  https://www.nemours.org/conditions-treatments/primordial-dwarfism/about-primordial-dwarfism.html

  MOPDII is associated with changes in a gene called pericentrin (PCNT). […] There is genetic testing clinically available to confirm this diagnosis. […] Bone age studies usually show decreased bone age. That is, the skeletal maturation process is slowed in these children and can be read as delayed 25 years behind the chronologic age. […] Congenital renal and kidney anomalies have been described, so a renal ultrasound and an echocardiogram should be performed when the diagnosis is made. […] Yearly screening labs for insulin resistance should begin by 5 years of age and include studies of glucose homeostasis, liver function, and lipid profiles.

• #2 Primordial Dwarfism: Symptoms and Management

  https://www.medicoverhospitals.in/diseases/primordial-dwarfism/

  Recognizing the symptoms of primordial dwarfism can be challenging due to the overlap with other forms of dwarfism and the variability in presentation. These symptoms necessitate a comprehensive diagnostic approach to distinguish primordial dwarfism from other growth disorders. […] Diagnosis typically involves a combination of clinical evaluation, genetic testing, and imaging studies. Physicians will assess growth patterns, examine physical characteristics, and may recommend genetic testing to identify specific mutations associated with the condition. […] Early and accurate diagnosis is crucial for managing the condition effectively and planning for potential complications. […] Diagnosis typically involves clinical evaluations, growth assessments, and genetic testing to confirm the presence of the disorder.

• #2

  https://www.gleneagles.com.sg/conditions-diseases/dwarfism/faq

  It is possible to diagnose certain types of dwarfism in utero through an ultrasound scan. Your gynaecologist will measure if your baby is hitting certain gestational milestones, such as length size, during your pregnancy. […] Other tests that can detect dwarfism in the womb include: Amnionic fluid check, Amniocentesis testing, Chorionic villus sampling. […] Your doctor may recommend other tests to confirm the diagnosis such as: Amniocentesis testing, Chorionic villus sampling.

• #2 Dwarfism (Restricted Growth): Types and Causes

  https://patient.info/bones-joints-muscles/restricted-growth-dwarfism

  Dwarfism is a medical or genetic condition which causes people to have restricted growth so that they are shorter than average. Specifically, people with dwarfism grow no higher than 4 ft 10 ins (147 cm). […] How is dwarfism diagnosed? […] This will partly depend on the reason for dwarfism. Babies born with achondroplasia are often diagnosed at birth, simply from their typical appearance. The most common tests used for diagnosis include: Genetic tests. Blood tests. X-rays. […] Some people with dwarfism are diagnosed later in childhood, when it is noticed that they are not growing as much as other children of their age. […] In making a diagnosis, doctors will take into account the pattern of growth, family history, other problems or features, findings on examination, blood tests and sometimes X-rays. Often blood tests for genetic conditions will be needed. […] Some genetic conditions are suspected from tests done while the baby is still in the womb, and can be checked by tests done even before birth.

• #2 Achondroplasia | Obgyn Key

  https://obgynkey.com/achondroplasia/

  Most consistent sonographic finding is shortening of long bones between 21 and 27 weeks. Additional findings include macrocrania, frontal bossing, trident-shaped hand. […] Prenatal diagnosis can be performed by sonography or by DNA analysis. […] For prenatal diagnosis in the setting of one parent affected with achondroplasia, the fetus is considered to be affected if the length of the long bones is less than the third percentile or if polyhydramnios is present. […] If both parents are unaffected, prenatal diagnosis is more challenging. A fetus in which long bone growth is initially normal but then drops below the 10th percentile during the third trimester needs to be serially evaluated for the possibility of achondroplasia or hypochondroplasia. […] Krakow et al. (2003) compared 2D and 3D imaging in the diagnosis of skeletal anomalies. In a case of achondroplasia, 3D imaging captured the trident hands and more clearly delineated the disproportionate aspects of the limbs. […] An important prenatal finding that distinguishes heterozygous achondroplasia from some of the other skeletal dysplasias is the initially normal first and second trimester long bone measurements.

• #2 Achondroplasia | Doctor

  https://patient.info/doctor/achondroplasia

  The diagnosis is based on the typical clinical and X-ray features. […] Prenatal diagnosis is by ultrasound. However, prenatal sonographic diagnosis often fails as limb length is preserved until around 22 weeks of gestation, after the time of the routine fetal anomaly scan. […] The use of MRI in the prenatal diagnosis of skeletal dysplasia has also been researched and has been shown to confirm the diagnosis in 82% of cases. […] Prenatal diagnosis of homozygous achondroplasia is also available in families at risk and in which the parents are heterozygous for either the 1138A or 1138C allele. […] Plasma can be analysed for the FGFR3 mutation in the mother when a short-limb skeletal dysplasia is diagnosed prenatally on ultrasound. […] A full skeletal survey should be undertaken if there is clinical suspicion of skeletal dysplasia, such as disproportionate short stature, limb malalignment or specific dysmorphic features.

• #2 Dwarfism – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK563282/

  The differential diagnoses for dwarfism include the following: […] The child receives daily subcutaneous growth hormone (GH) injections, and are advised to take GH injections regularly, preferably within 1 hour of sleep every night, at a specific time, and not to miss more than one dose a month. […] The normal variants of short stature can expect to lead healthy lives. The patients suffering from GHD can benefit from recombinant human growth hormone therapy and generally attain heights similar to their parents, given that the treatment is commenced before puberty. The short stature secondary to genetic and skeletal disorders cannot be reversed and remains a life long issue.

• #2 Dwarfism – Wikipedia

  https://en.wikipedia.org/wiki/Dwarfism

  Dwarfism is often diagnosed in childhood on the basis of visible symptoms. A physical examination can usually suffice to diagnose certain types of dwarfism, but genetic testing and diagnostic imaging may be used to determine the exact condition. […] Short stature or stunted growth during youth is usually what brings the condition to medical attention. Skeletal dysplasia is usually suspected because of obvious physical features (e.g., unusual configuration of face or shape of skull), because of an obviously affected parent, or because body measurements (arm span, upper to lower segment ratio) indicate disproportion. […] Bone X-rays are often key to diagnosing a specific skeletal dysplasia, but are not the sole diagnostic tool. Most children with suspected skeletal dysplasias are referred to a genetics clinic for diagnostic confirmation and genetic counseling. Since about the year 2000, genetic tests for some of the specific disorders have become available. […] During an initial medical evaluation of shortness, the absence of disproportion and other clues listed above usually indicates causes other than bone dysplasias.

• #2 Short stature: Causes, types, and treatments

  https://www.medicalnewstoday.com/articles/170880

  A person with short stature, or restricted growth, does not grow as tall as other people of the same sex, age, and ethnicity. […] A caregiver can talk with the child’s doctor to verify that their height is appropriate for their age. […] If short stature results from a growth hormone deficiency, treatment can often boost growth. […] If they suspect restricted growth, they will do a physical examination, look at the child’s medical and family history, and possibly order some tests. […] Doctors can diagnose some types of short stature at birth. […] During a routine visit, a pediatrician will record the child’s head circumference, height, and weight. […] These tests may include: X-ray: This imaging test assesses for problems with bone development. […] Insulin tolerance test: This test checks for a deficiency in insulin-like growth factor-1 (IGF-1).

• #2 Short stature | Find a specialist & information

  https://www.leading-medicine-guide.com/en/illness/metabolism/dwarfism

  The medical history plays an important role in the diagnosis. […] The following features are essential: Course of pregnancy, birth, course of growth, development, Nutrition. […] The question of family history also plays a central role here. The height of the parents can be used to predict the final height of the child. […] The physical examination includes Height, Head circumference, weight, Growth curve, Growth rate. […] The doctor can also carry out a skeletal age assessment. To do this, he x-rays the left hand, or the left knee in children under 1.5 years of age. […] A comprehensive blood count, which shows the levels of thyroid and growth hormones, can provide further indications of short stature.

• #2 Achondroplasia: Update on diagnosis, follow-up and treatment | Anales de Pediatría

  https://www.analesdepediatria.org/en-achondroplasia-update-on-diagnosis-follow-up-articulo-S2341287922002228

  Multidisciplinary follow-up is required from diagnosis, as achondroplasia is associated with increased morbidity and potentially fatal complications and therefore affected patients may benefit from a scheduled follow-up plan. […] The main goals of care are to anticipate, detect and manage complications and to support autonomy, quality of life and independence. […] The American Association of Pediatrics has published a timeline for the health supervision of people with achondroplasia through the lifespan, with screening at each time point requiring anthropometric measurements, a physical examination, a neurological examination and an otorhinolaryngology evaluation. […] Exhaustive monitoring is essential in this stage, if possible, every 2 or 4 months. […] The anthropometric evaluation should include basic parameters such as weight, height, sitting height, head circumference and arm span.

• #2 Achondroplasia: Update on diagnosis, follow-up and treatment | Anales de Pediatría

  https://www.analesdepediatria.org/en-achondroplasia-update-on-diagnosis-follow-up-articulo-S2341287922002228

  Patients with achondroplasia are at increased risk of neurologic complications because the cranial base develops by endochondral ossification and therefore the craniocervical junction anomalies are common. […] The incidence of sudden death in the first year of life is 7.5% greater in individuals with achondroplasia compared to the general population, which seems to be due to chronic compression of the brainstem and spinal cord by constriction at the foramen magnum. […] In this stage, evaluations are recommended every 6-12 months, choosing the appropriate interval on a case-by-case basis. […] Ongoing monitoring for signs and symptoms of cervicomedullary compression is recommended. […] The follow-up of patients requires assessments of metabolism (obesity) and oral health, monitoring of ear, nose and throat problems (apnoeas, hearing) and orthopaedic evaluations.

• #2 Dwarfism | Beacon Health System

  https://www.beaconhealthsystem.org/library/diseases-and-conditions/dwarfism?content_id=CON-20371954

  Some conditions that cause dwarfism can cause various problems with development and growth, as well as medical complications. Several specialists may be involved in screening for specific conditions, making diagnoses, recommending treatments and providing care. This team may change as your child’s needs change. Your child’s pediatrician or family healthcare professional can coordinate the care.

• #2 No laughing matter: medical and social experiences of restricted growth | Scandinavian Journal of Disability Research

  https://sjdr.se/articles/10.1080/15017410902909118

  Restricted growth people strongly valued employment, not least because it was a major marker of independence. […] Overall, people felt they had a good quality of life and were happy the way they were. […] But despite these subjective feelings, objectively our sample also clearly experienced disability and disadvantage in various areas. […] Mobility restrictions and pain were a fact of life for most respondents. […] It is necessary to recognize the disabling features of negative medical and social experiences.

• #2 Restricted growth: hope, fear as a new drug challenges dwarfism attitudes

  https://www.pharmaceutical-technology.com/features/dwarfism-drug-biomarin/

  BioMarins vosoritide could become the worlds first treatment to address the underlying cause of achondroplasia, the most common form of dwarfism. […] Currently there is no approved therapeutic available to treat the genetic basis of achondroplasia, with medical and surgical interventions limited to addressing some of the symptoms of the condition, including spinal stenosis, hydrocephalus and obstructive sleep apnoea. […] In recent years, however, a novel therapeutic avenue has emerged to potentially address the underlying genetic mutation that causes achondroplasia. […] This longer-lasting protein became vosoritide, the companys investigational drug for achondroplasia, delivered via once-daily subcutaneous injections. […] Over the last five years or so, BioMarin has been pursuing a broad clinical programme to build a convincing evidence base for the safety and efficacy of vosoritide, which has been granted orphan drug designation from the US Food and Drug Administration (FDA) and the European Medicines Agency (EMA).

• #2 FDA approval grows use of growth therapy for children with achondroplasia  – CHOC Pediatrica

  https://care.choc.org/fda-approval-grows-use-of-growth-therapy-for-children-with-achondroplasia/

  To keep the growth plates open as long as possible, pediatric endocrinologists prescribe aromatase inhibitors. These inhibitors are typically used to reduce breast cancer risk by preventing hormones from becoming estrogen. Because estrogen also speeds up growth plate fusion, Dr. Bhangoo uses aromatase inhibitors to do just that. In appropriate patients, he prescribes the medication for this off-label purpose for up to two years. This provides more for Voxzogo to promote additional growth. […] The goal of Voxzogo use is improved linear growth or height in patients that permits them to engage in normal, independent daily living.

• #2 Growth Disorders & Short Stature | Riley Children’s Health

  https://www.rileychildrens.org/health-info/growth-disorders-short-stature

  Key Points to Remember […] Short stature describes children who are in the third percentile or less on the pediatric growth chart. Most of the time, there is no medical cause for short stature. When there is a medical cause for a growth disorder or short stature, it may be due to chronic health conditions, genetic conditions or hormone deficiencies. When short stature or a growth disorder has a medical cause, treatment varies based on the underlying condition.

• #2 Dwarfism | Better Health Channel

  https://www.betterhealth.vic.gov.au/health/conditionsandtreatments/dwarfism

  Dysplasia means 'abnormal growth’. There are around 100 different types of skeletal dysplasias, with achondroplasia being the most common form of disproportionate short stature. Other skeletal dysplasias can cause short-trunk disorders and proportionate short stature. A skeletal dysplasia is diagnosed with a variety of tests, including physical examination, x-rays, tissue and bone samples, and specific genetic tests. […] There is no cure for achondroplasia. Human growth hormone has no place in its management, as the condition is not caused by a lack of growth hormone. Treatment focuses on the prevention, management and treatment of medical complications as well as social and family support. This may include: […] If your child or another family member has been diagnosed with dwarfism, or if dwarfism runs in your family, it can be helpful to speak to a genetic counsellor. Genetic counsellors are health professionals qualified in both counselling and genetics. As well as providing emotional support, they can help you to understand dwarfism and what causes it, how it is inherited, and what a diagnosis means for your child’s health and development, and for your family. They can also explain what genetic testing options are available to you and other family members. Genetic counsellors are trained to provide information and support that is sensitive to your family circumstances, culture and beliefs.

• #2 Restricted growth: hope, fear as a new drug challenges dwarfism attitudes

  https://www.pharmaceutical-technology.com/features/dwarfism-drug-biomarin/

  This study provides the first robust evidence for a precision therapy for achondroplasia that has the potential to fundamentally change the clinical management, growth trajectory, and treatment recommendations for affected children, said Dr Ravi Ravi Savarirayan, a trial investigator at the Murdoch Childrens Research Institute in Melbourne, Australia and lead author of the Lancet study. […] The company announced in early November that the FDA had accepted a New Drug Application for vosoritide the first US regulatory acceptance for a marketing application in this indication. […] Clinical investigators have responded by saying that bone growth and height was chosen as an endpoint because assessing vosoritides impact on associated complications such as sleep apnoea and skeletal problems would take decades of intensive study, creating unfeasible development costs, and pushing the availability of the drug back over the horizon, if it arrived at all.

• #3 Restricted growth (dwarfism)

  https://www.nhs.uk/conditions/restricted-growth/symptoms/

  Restricted growth is often diagnosed when a baby is born. Sometimes it’s not diagnosed until later, when a child is not growing as expected for their age. […] If a doctor thinks you or your child may have restricted growth, they may recommend tests such as blood tests, genetic tests, X-rays.

• #3 Growth Problems | Children’s Hospital of Philadelphia

  https://www.chop.edu/conditions-diseases/growth-problems

  Some growth problems may be immediately diagnosed at birth, because the infant may be abnormally small for his or her age. […] However, many growth problems are noticed much later, when the child appears smaller than his or her classmates, or when growth appears to be insignificant over a period of a year. […] The primary symptom that may indicate a growth problem is when a child grows less than two inches a year after his or her third birthday. Symptoms of growth problems may resemble other problems or medical conditions. Always consult your child’s doctor for a diagnosis. […] Diagnosis of a growth problem must be made by your child’s doctor. The method used for diagnosis will depend on the type of growth disorder presented. […] At The Children’s Hospital of Philadelphia, children with growth problems are examined by gastroenterologists, nutritionists and geneticists who work with the Division of Gastroenterology (GI), Hepatology and Nutrition.

• #3 Achondroplasia: Update on diagnosis, follow-up and treatment | Anales de Pediatría

  https://www.analesdepediatria.org/en-achondroplasia-update-on-diagnosis-follow-up-articulo-S2341287922002228

  Absent a positive family history, achondroplasia may be suspected from 22 weeks of gestation, although it is difficult to detect before 26 weeks. […] The sonographic features suggestive of achondroplasia are short limbed-short stature with rhizomelia, femoral bowing and deceleration of femur growth from 26 weeks, a femur length to foot length ratio of less than 1, brachydactyly with trident configuration of the hand, narrow chest cavity in the absence of pulmonary hypoplasia, distinctive facies (frontal bossing, midface hypoplasia and flat nasal bridge), square iliac wings and polyhydramnios. […] The diagnosis of achondroplasia is based on clinical and imaging features, but genetic testing is necessary for molecular confirmation and reproductive genetic counselling. […] Genetic testing when clinical signs are present should be performed with targeted tests for the detection of the 2 variants of the FGFR3 gene associated with achondroplasia.

• #3

  https://www.parkwayshenton.com.sg/conditions-diseases/dwarfism/diagnosis-treatment

  Some forms of dwarfism may be suspected in utero such as during a prenatal ultrasound if very short limbs are observed. Otherwise, dwarfism may be diagnosed at birth or later during infancy, through tests such as X-rays and a physical exam. […] To diagnose dwarfism, your doctor may review the following: […] Genetic tests. DNA tests may be done before or after birth to look for genetic mutations linked to dwarfism. […] Hormone tests. Your doctor may order tests that assess levels of growth hormone or other hormones that are critical for childhood growth and development.

• #3 Achondroplasia | Obgyn Key

  https://obgynkey.com/achondroplasia/

  Most consistent sonographic finding is shortening of long bones between 21 and 27 weeks. Additional findings include macrocrania, frontal bossing, trident-shaped hand. […] Prenatal diagnosis can be performed by sonography or by DNA analysis. […] For prenatal diagnosis in the setting of one parent affected with achondroplasia, the fetus is considered to be affected if the length of the long bones is less than the third percentile or if polyhydramnios is present. […] If both parents are unaffected, prenatal diagnosis is more challenging. A fetus in which long bone growth is initially normal but then drops below the 10th percentile during the third trimester needs to be serially evaluated for the possibility of achondroplasia or hypochondroplasia. […] Krakow et al. (2003) compared 2D and 3D imaging in the diagnosis of skeletal anomalies. In a case of achondroplasia, 3D imaging captured the trident hands and more clearly delineated the disproportionate aspects of the limbs. […] An important prenatal finding that distinguishes heterozygous achondroplasia from some of the other skeletal dysplasias is the initially normal first and second trimester long bone measurements.

• #3 Primordial Dwarfism Causes & Symptoms

  https://www.nemours.org/conditions-treatments/primordial-dwarfism/about-primordial-dwarfism.html

  MOPDII is associated with changes in a gene called pericentrin (PCNT). […] There is genetic testing clinically available to confirm this diagnosis. […] Bone age studies usually show decreased bone age. That is, the skeletal maturation process is slowed in these children and can be read as delayed 25 years behind the chronologic age. […] Congenital renal and kidney anomalies have been described, so a renal ultrasound and an echocardiogram should be performed when the diagnosis is made. […] Yearly screening labs for insulin resistance should begin by 5 years of age and include studies of glucose homeostasis, liver function, and lipid profiles.

• #3 No laughing matter: medical and social experiences of restricted growth | Scandinavian Journal of Disability Research

  https://sjdr.se/articles/10.1080/15017410902909118

  People with restricted growth have liminal status in the disability community. […] This paper reports from a project seeking to fill the research gap around the social and medical impact of skeletal dysplasia, finding that adults with restricted growth experience a range of difficulties. These include medical problems, social stigma, and employment disadvantage. […] In general, available research evidence about restricted growth tends toward the clinical, and there is very little reliable material on social aspects of living with a skeletal dysplasia. […] Overall, as McKeand, Rotta and Hecht point out in the case of pseudoachondroplasia, very little is known about the general health experiences of adults with the condition, and this appears to be true both for the whole range of skeletal dysplasias, and in particular for their social experiences.

• #3 Restricted growth: hope, fear as a new drug challenges dwarfism attitudes

  https://www.pharmaceutical-technology.com/features/dwarfism-drug-biomarin/

  This study provides the first robust evidence for a precision therapy for achondroplasia that has the potential to fundamentally change the clinical management, growth trajectory, and treatment recommendations for affected children, said Dr Ravi Ravi Savarirayan, a trial investigator at the Murdoch Childrens Research Institute in Melbourne, Australia and lead author of the Lancet study. […] The company announced in early November that the FDA had accepted a New Drug Application for vosoritide the first US regulatory acceptance for a marketing application in this indication. […] Clinical investigators have responded by saying that bone growth and height was chosen as an endpoint because assessing vosoritides impact on associated complications such as sleep apnoea and skeletal problems would take decades of intensive study, creating unfeasible development costs, and pushing the availability of the drug back over the horizon, if it arrived at all.

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