Materiały źródłowe

• #1 Breast Fibroadenoma – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK535345/

  The causes of fibroadenoma are debatable, but professionals believe that the lesion has a hormonal etiology related to the increased sensitivity of breast tissue to the female reproductive hormone estrogen. […] Fibroadenoma usually grows during pregnancy and tends to shrink during menopause. This supports the hormonal etiologic theory. […] Females who take oral contraceptives before 20 years of age tend to suffer from fibroadenoma at higher rates than the general population.

• #2 Fibroadenoma | Breast Cancer Now

  https://breastcancernow.org/about-breast-cancer/breast-lumps-and-benign-not-cancer-breast-conditions/fibroadenoma

  Fibroadenomas can occur at any age but are more common in younger women. […] Its not known what causes fibroadenomas, but its thought they may occur because of the effects of the hormone oestrogen. […] Having a complex fibroadenoma can very slightly increase the risk of developing breast cancer in the future. […] For most people, having a fibroadenoma does not increase the risk of developing breast cancer.

• #3 Fibroadenoma of the breast: MedlinePlus Medical EncyclopediaLock

  https://medlineplus.gov/ency/article/007216.htm

  The cause of fibroadenomas is not known. They may be related to hormones. Girls who are going through puberty and women who are pregnant are most often affected. Fibroadenomas are found much less often in older women who have gone through menopause. […] Fibroadenoma is the most common benign tumor of the breast. It is the most common breast tumor in women under age 30.

• #4 Breast Fibroadenoma: Symptoms, Treatment & Removal

  https://my.clevelandclinic.org/health/diseases/15690-fibroadenomas-of-the-breast

  Fibroadenomas are common noncancerous (benign) breast lumps. […] Fibroadenomas grow in the lobule area of your breast tissue. Lobules are the glands in your breasts that make milk during lactation. […] Healthcare providers dont know why some women get fibroadenomas. Some believe it has to do with being sensitive to estrogen. This is because fibroadenomas tend to grow during pregnancy or hormone therapy (when estrogen is higher), while theyre more likely to shrink after menopause (when estrogen is lower). […] Fibroadenoma is most common between the ages of 15 and 35. However, any female who has a period (menstruates) can get them. Once you reach menopause, they become uncommon. Black women have a slightly higher risk of developing a fibroadenoma.

• #5 Fibroadenoma Symptoms, Causes, Types and Treatment

  https://www.cancercenter.com/cancer-types/breast-cancer/types/common-breast-cancer-types/fibroadenoma

  A fibroadenoma is a noncancerous breast lump that’s sometimes found by women during breast self-exams or by the care team during breast imaging. […] What causes fibroadenomas isnt certain, but its possible that the female reproductive hormone estrogen plays a role in their formation. […] These lumps do seem to be influenced by hormones: Theyre known to grow during pregnancy and shrink during menopause. […] Women who take oral contraceptives at a young agebefore 20have higher rates of fibroadenomas. […] Sensitivity to the hormones may cause an excessive proliferation of the connective tissues.

• #6 Discovering a Lump: Understanding Fibroadenomas and Prioritizing Breast Health | Consulting Radiologists

  https://www.consultingradiologists.com/discovering-a-lump-understanding-fibroadenomas-and-prioritizing-breast-health/

  In many cases, a palpable lump turns out to be a fibroadenoma, a benign (non-cancerous) breast tumor that is incredibly common, especially among women in their 20s, 30s, and 40s. […] Researchers have not yet determined the precise cause of fibroadenomas. One leading theory suggests they may be linked to estrogen sensitivity. This hypothesis arises from the observation that fibroadenomas often grow during pregnancy or hormone therapy when estrogen levels are elevated. Conversely, they tend to shrink after menopause as estrogen production declines. […] Simple fibroadenomas, which tend to be smaller growths, are not considered precancerous. These common benign lumps may cause discomfort or anxiety, but they do not signal broader implications for a woman’s overall risk of developing breast cancer. […] Unfortunately, there is no known way to prevent the development of fibroadenomas.

• #7 Fibroadenoma: Symptoms, Causes, Diagnosis, and Treatment

  https://www.webmd.com/breast-cancer/what-are-fibroadenomas?page=2

  Doctors don’t know what causes fibroadenomas. They may be related to changing levels of the hormone estrogen. They often grow during pregnancy when your estrogen levels are high, and shrink when your estrogen levels drop after menopause. […] Having a simple fibroadenoma may raise your risk of breast cancer, compared with women without fibroadenomas. But if you had a fibroadenoma that was complex, it might mean a slightly higher risk of breast cancer later on.

• #8 Breast Fibroadenoma – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK535345/

  The causes of fibroadenoma are debatable, but professionals believe that the lesion has a hormonal etiology related to the increased sensitivity of breast tissue to the female reproductive hormone estrogen. […] Fibroadenoma usually grows during pregnancy and tends to shrink during menopause. This supports the hormonal etiologic theory. […] Females who take oral contraceptives before 20 years of age tend to suffer from fibroadenoma at higher rates than the general population.

• #9 Fibroadenoma of the Breast: Causes and More

  https://resources.healthgrades.com/right-care/womens-health/fibroadenoma-breast

  Fibroadenoma is a common noncancerous breast lump that can develop in females. It is most likely to affect those ages 14–35 years, but it can occur at any age. […] Experts are unsure about the exact cause of fibroadenomas but suspect that female hormones may play a role in their growth. Female breast tissues contain both estrogen and progesterone receptors. Some people may have increased sensitivity to these hormones, which causes excessive proliferation of breast connective tissues. […] The fact that fibroadenomas typically grow during pregnancy and shrink during menopause supports the theory that hormones play a role. During menopause, the level of female hormones, including estrogen and progesterone, drops significantly. This reduces the growth effect on the breast tissues. […] Also, fibroadenomas are generally more common among females who began using birth control pills before the age of 20 years.

• #10 Do I need a biopsy? Choosing the right treatment for fibroadenoma – VAB

  https://eu.bd.com/vab-guide/do-i-need-a-biopsy-choosing-the-right-treatment-for-fibroadenoma/

  A fibroadenoma is an extremely common condition in which a lump or lumps are formed in the breast. These lumps are benign lumps which means they are non cancerous. […] Although it is not explicitly known what causes a fibroadenoma, it is thought to be caused by an increased sensitivity to the hormone estrogen. Fibroadenomas are most common in women in their 20s and 30s, when generally women are at their most fertile. It is also believed that they can often enlarge during cycles of hormone therapy or when pregnant. Converse to this, they may shrink after menopause, when levels of estrogen decrease. […] In essence, fibroadenomas occur when the glandular tissue and ducts grow over the lobule, condense, and form a solid lump.

• #11 What Is a Fibroadenoma, and How Does It Affect My Health? – Iowa Radiology

  https://www.iowaradiology.com/what-is-a-fibroadenoma-and-how-does-it-affect-my-health/

  Fibroadenomas are the most common type of breast mass. […] While the cause of fibroadenomas is not entirely clear, reproductive hormones appear to play an important role in their development and growth. […] They are most commonly found during the childbearing years and can grow during pregnancy, hormone therapy, and use of hormone-based contraceptives as well as fluctuate in size throughout the menstrual cycle. […] Experts offer varying opinions about whether a fibroadenoma increases the risk of developing breast cancer. […] The American Cancer Society states that women with simple fibroadenomas (which look the same throughout) experience 1.5 times the risk of breast cancer than women without them, and women with complex fibroadenomas (which tend to be bigger and appear in older women) are at a slightly higher risk than that.

• #12 Fibroadenoma – Echotherapy

  https://echotherapie.com/fibroadenoma/

  The factors that favour the appearance of fibroadenoma are not yet really understood. As they typically appear in younger women between the ages of 15 and 35, doctors assume that they are related to the female hormone oestrogen. Genetics also might have a role to play. […] Hormonal changes such as the intake of an oral contraceptives or pregnancy can trigger a fibroadenoma to grow.

• #13 Understanding Fibroadenoma of the Breast: A Comprehensive Review of Pre-operative and Post-operative Clinicopathological Correlations

  https://pmc.ncbi.nlm.nih.gov/articles/PMC10823311/

  Several factors contribute to the development of fibroadenomas, reflecting the complex interplay of hormonal, genetic, and environmental influences. […] Hormonal influences, particularly estrogen and progesterone, play a pivotal role in the growth and maintenance of breast tissue. […] The presence of hormone receptors in fibroadenoma cells underscores their sensitivity to hormonal cues, suggesting a driving force behind their growth. […] Moreover, research indicates a genetic predisposition to fibroadenoma development, supported by the identification of specific genetic mutations or variations in some studies. […] Reproductive factors are significant contributors to the risk of fibroadenoma development. […] Factors such as early onset of menstruation (menarche) and nulliparity (not having given birth) have been associated with an elevated likelihood of developing fibroadenomas. […] Additionally, while trauma or injury to the breast tissue is not a direct cause of fibroadenomas, it may serve as a triggering event for their development or growth.

• #14 Fibroadenoma of the Breast: Causes and More

  https://resources.healthgrades.com/right-care/womens-health/fibroadenoma-breast

  Fibroadenoma is a common noncancerous breast lump that can develop in females. It is most likely to affect those ages 14–35 years, but it can occur at any age. […] Experts are unsure about the exact cause of fibroadenomas but suspect that female hormones may play a role in their growth. Female breast tissues contain both estrogen and progesterone receptors. Some people may have increased sensitivity to these hormones, which causes excessive proliferation of breast connective tissues. […] The fact that fibroadenomas typically grow during pregnancy and shrink during menopause supports the theory that hormones play a role. During menopause, the level of female hormones, including estrogen and progesterone, drops significantly. This reduces the growth effect on the breast tissues. […] Also, fibroadenomas are generally more common among females who began using birth control pills before the age of 20 years.

• #15 Understanding Fibroadenoma of the Breast: A Comprehensive Review of Pre-operative and Post-operative Clinicopathological Correlations

  https://pmc.ncbi.nlm.nih.gov/articles/PMC10823311/

  Several factors contribute to the development of fibroadenomas, reflecting the complex interplay of hormonal, genetic, and environmental influences. […] Hormonal influences, particularly estrogen and progesterone, play a pivotal role in the growth and maintenance of breast tissue. […] The presence of hormone receptors in fibroadenoma cells underscores their sensitivity to hormonal cues, suggesting a driving force behind their growth. […] Moreover, research indicates a genetic predisposition to fibroadenoma development, supported by the identification of specific genetic mutations or variations in some studies. […] Reproductive factors are significant contributors to the risk of fibroadenoma development. […] Factors such as early onset of menstruation (menarche) and nulliparity (not having given birth) have been associated with an elevated likelihood of developing fibroadenomas. […] Additionally, while trauma or injury to the breast tissue is not a direct cause of fibroadenomas, it may serve as a triggering event for their development or growth.

• #16 Fibroadenoma – Wikipedia

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

  Fibroadenoma is a benign breast tumor characterized by an admixture of stromal and epithelial tissue. […] The cause of fibroadenoma is unknown (idiopathic). A connection between fibroadenomas and reproductive hormones has been suggested which may explain why they present themselves during reproductive years, increase in size during pregnancy, and regress post-menopause. […] Higher intake of fruits and vegetables, higher number of live births, lower use of oral contraceptives and moderate exercise are associated with lower frequency of fibroadenomas. […] Up to 66% of fibroadenomas harbor mutations in the exon (exon 2) of the mediator complex subunit 12 (MED12) gene. In particular, these mutations are restricted to the stromal component.

• #17

  https://continentalhospitals.com/diseases/fibroadenomas/

  Fibroadenomas are a common type of benign breast tumor that affects many women. […] While the exact cause of fibroadenomas is still not fully understood, several factors have been identified as potential contributors. Hormonal changes play a significant role in the development of fibroadenomas. These tumors are more commonly found in women of reproductive age, suggesting a link to hormonal fluctuations during the menstrual cycle. Estrogen, in particular, has been implicated as a key player in the growth and development of fibroadenomas. […] Another factor that may contribute to the formation of fibroadenomas is genetics. Research has shown that women with a family history of these tumors are at an increased risk of developing them themselves. It is believed that certain genes may predispose individuals to develop fibroadenomas, although further research is needed to fully understand this connection. […] Overall, while the exact causes of fibroadenomas remain elusive, hormonal changes and genetic predisposition are believed to play significant roles in their development. Understanding these factors can help healthcare professionals better diagnose and manage this common breast condition.

• #18 Understanding Breast Fibroadenoma: Causes, Symptoms…

  https://cvicvascular.com/understanding-breast-fibroadenoma-causes-symptoms-diagnosis-and-treatment/

  Breast fibroadenoma, often referred to as fibroadenoma, is a common benign breast tumor. […] The exact cause of fibroadenomas remains uncertain, but they are thought to develop from the milk-producing glandular tissue in the breast. […] The exact causes of breast fibroadenoma are not completely understood, but there are several factors that may contribute to their development: […] Hormonal fluctuations, particularly those related to the menstrual cycle, are believed to play a role in the development of fibroadenomas. […] Some studies suggest that estrogen may influence the growth of fibroadenomas. […] There is evidence to suggest that genetics may play a role in the development of fibroadenomas. […] Women who have not given birth or who have had their first child later in life may have a higher risk of developing fibroadenomas.

• #19 Fibroadenoma – Wikipedia

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

  Fibroadenoma is a benign breast tumor characterized by an admixture of stromal and epithelial tissue. […] The cause of fibroadenoma is unknown (idiopathic). A connection between fibroadenomas and reproductive hormones has been suggested which may explain why they present themselves during reproductive years, increase in size during pregnancy, and regress post-menopause. […] Higher intake of fruits and vegetables, higher number of live births, lower use of oral contraceptives and moderate exercise are associated with lower frequency of fibroadenomas. […] Up to 66% of fibroadenomas harbor mutations in the exon (exon 2) of the mediator complex subunit 12 (MED12) gene. In particular, these mutations are restricted to the stromal component.

• #20 Fibroadenoma of the Breast: Causes and More

  https://resources.healthgrades.com/right-care/womens-health/fibroadenoma-breast

  Research scientists have also proposed that genetic factors play a role in the formation of breast fibroadenomas. They have discovered that mutation in the MED12 gene is prevalent among females of reproductive age who have developed a fibroadenoma. […] Female hormones may play a crucial role in the development of fibroadenomas.

• #21 Fibroadenoma (benign breast lump) – Find a senology specialist!

  https://www.leading-medicine-guide.com/en/illness/genitourinary/fibroadenoma

  Fibroadenomas are caused by the excessive formation of new breast and glandular tissue. […] It is very likely that hormonal changes in a woman’s body lead to excessive cell growth in the breast. There is often an imbalance between progesterone and oestrogens. Other possible causes that are currently being discussed could be taking certain immunosuppressants, Carney complex (frequent development of so-called myxomas, hormonal regulation disorders and numerous pigment spots), viral infections, e.g. with the Eppstein-Barr virus (EBV). […] What causes this increased formation of new connective or glandular tissue in the breast is still not fully understood.

• #22 Understanding Fibroadenoma of the Breast: A Comprehensive Review of Pre-operative and Post-operative Clinicopathological Correlations

  https://pmc.ncbi.nlm.nih.gov/articles/PMC10823311/

  Several factors contribute to the development of fibroadenomas, reflecting the complex interplay of hormonal, genetic, and environmental influences. […] Hormonal influences, particularly estrogen and progesterone, play a pivotal role in the growth and maintenance of breast tissue. […] The presence of hormone receptors in fibroadenoma cells underscores their sensitivity to hormonal cues, suggesting a driving force behind their growth. […] Moreover, research indicates a genetic predisposition to fibroadenoma development, supported by the identification of specific genetic mutations or variations in some studies. […] Reproductive factors are significant contributors to the risk of fibroadenoma development. […] Factors such as early onset of menstruation (menarche) and nulliparity (not having given birth) have been associated with an elevated likelihood of developing fibroadenomas. […] Additionally, while trauma or injury to the breast tissue is not a direct cause of fibroadenomas, it may serve as a triggering event for their development or growth.

• #23 Understanding Fibroadenoma of the Breast: A Comprehensive Review of Pre-operative and Post-operative Clinicopathological Correlations

  https://pmc.ncbi.nlm.nih.gov/articles/PMC10823311/

  Several factors contribute to the development of fibroadenomas, reflecting the complex interplay of hormonal, genetic, and environmental influences. […] Hormonal influences, particularly estrogen and progesterone, play a pivotal role in the growth and maintenance of breast tissue. […] The presence of hormone receptors in fibroadenoma cells underscores their sensitivity to hormonal cues, suggesting a driving force behind their growth. […] Moreover, research indicates a genetic predisposition to fibroadenoma development, supported by the identification of specific genetic mutations or variations in some studies. […] Reproductive factors are significant contributors to the risk of fibroadenoma development. […] Factors such as early onset of menstruation (menarche) and nulliparity (not having given birth) have been associated with an elevated likelihood of developing fibroadenomas. […] Additionally, while trauma or injury to the breast tissue is not a direct cause of fibroadenomas, it may serve as a triggering event for their development or growth.

• #24 Understanding Breast Fibroadenoma: Causes, Symptoms…

  https://cvicvascular.com/understanding-breast-fibroadenoma-causes-symptoms-diagnosis-and-treatment/

  Breast fibroadenoma, often referred to as fibroadenoma, is a common benign breast tumor. […] The exact cause of fibroadenomas remains uncertain, but they are thought to develop from the milk-producing glandular tissue in the breast. […] The exact causes of breast fibroadenoma are not completely understood, but there are several factors that may contribute to their development: […] Hormonal fluctuations, particularly those related to the menstrual cycle, are believed to play a role in the development of fibroadenomas. […] Some studies suggest that estrogen may influence the growth of fibroadenomas. […] There is evidence to suggest that genetics may play a role in the development of fibroadenomas. […] Women who have not given birth or who have had their first child later in life may have a higher risk of developing fibroadenomas.

• #25 Breast Fibroadenoma – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK535345/

  The causes of fibroadenoma are debatable, but professionals believe that the lesion has a hormonal etiology related to the increased sensitivity of breast tissue to the female reproductive hormone estrogen. […] Fibroadenoma usually grows during pregnancy and tends to shrink during menopause. This supports the hormonal etiologic theory. […] Females who take oral contraceptives before 20 years of age tend to suffer from fibroadenoma at higher rates than the general population.

• #26 Fibroadenoma Symptoms, Causes, Types and Treatment

  https://www.cancercenter.com/cancer-types/breast-cancer/types/common-breast-cancer-types/fibroadenoma

  A fibroadenoma is a noncancerous breast lump that’s sometimes found by women during breast self-exams or by the care team during breast imaging. […] What causes fibroadenomas isnt certain, but its possible that the female reproductive hormone estrogen plays a role in their formation. […] These lumps do seem to be influenced by hormones: Theyre known to grow during pregnancy and shrink during menopause. […] Women who take oral contraceptives at a young agebefore 20have higher rates of fibroadenomas. […] Sensitivity to the hormones may cause an excessive proliferation of the connective tissues.

• #27 Fibroadenoma of Breast: Causes, Symptoms, and Diagnosis

  https://www.healthline.com/health/fibroadenoma-breast

  Its unknown exactly what causes fibroadenomas. Hormones such as estrogen may play a part in the growth and development of the tumors. Taking oral contraceptives before the age of 20 has been associated with a higher risk of developing fibroadenomas as well. […] Complex fibroadenomas can slightly increase your risk of breast cancer. The American Cancer Society states that women with complex fibroadenomas have approximately one and a half times greater risk of developing breast cancer than women with no breast lumps.

• #28 Fibroadenoma of the breast: what it is, its types, symptoms, diagnosis and treatment

  https://medconsonline.com/en/blog/fibroadenoma-of-the-breast

  The exact causes of these breast tumors are unknown, but several factors are thought to contribute to their development. […] Reproductive hormone imbalance: abnormal estradiol and progesterone ratio with increased levels of the former. The hormone dependence of fibrous glandular overgrowths is proved, in particular, by the fact that their size partially changes during the menstrual cycle and increases during pregnancy, while regression symptoms (reduction in size, calcification, etc.) often occur in postmenopause. […] Familial predisposition: it is known that if fibroadenomas or other benign breast disorders are present in close relatives, the risk of developing these conditions is increased. […] Local growth factors: by promoting the proliferation of stromal tissue and glandular components, local growth factors can stimulate the growth of breast lumps.

• #29 Fibroadenoma of the breast: what it is, its types, symptoms, diagnosis and treatment

  https://medconsonline.com/en/blog/fibroadenoma-of-the-breast

  Injury: it is hypothesized that damage to the organ can induce local tissue changes leading to the development of benign lesions. […] Diet and lifestyle: although there is no direct link, some studies suggest that certain dietary and lifestyle factors, such as a high-fat diet, can affect hormone levels and, consequently, stimulate the development of breast nodules. […] Other possible causes that are still being debated include certain immunosuppressant drugs and viral infections such as the Eppstein-Barr virus.

• #30 Understanding Fibroadenoma of the Breast: A Comprehensive Review of Pre-operative and Post-operative Clinicopathological Correlations

  https://pmc.ncbi.nlm.nih.gov/articles/PMC10823311/

  Several factors contribute to the development of fibroadenomas, reflecting the complex interplay of hormonal, genetic, and environmental influences. […] Hormonal influences, particularly estrogen and progesterone, play a pivotal role in the growth and maintenance of breast tissue. […] The presence of hormone receptors in fibroadenoma cells underscores their sensitivity to hormonal cues, suggesting a driving force behind their growth. […] Moreover, research indicates a genetic predisposition to fibroadenoma development, supported by the identification of specific genetic mutations or variations in some studies. […] Reproductive factors are significant contributors to the risk of fibroadenoma development. […] Factors such as early onset of menstruation (menarche) and nulliparity (not having given birth) have been associated with an elevated likelihood of developing fibroadenomas. […] Additionally, while trauma or injury to the breast tissue is not a direct cause of fibroadenomas, it may serve as a triggering event for their development or growth.

• #31 Breast fibroadenoma – symptoms, causes, and treatment.

  https://medtour.help/disease/brest-fibroadenoma/

  The causes of this pathology have not yet been fully elucidated, but it is known that fibroadenomas occur due to hormonal imbalances. Most often, tumors of this type appear during puberty or during menopause. In both cases, hormonal surges are observed in the woman’s body. […] The risk of developing the disease may increase with a hereditary predisposition. Breast injuries, stress, gynecological and endocrine diseases can also provoke the appearance of this type of pathology.

• #32 Breast Fibroadenoma: Symptoms, & Removal Treatment | Medanta

  https://www.medanta.org/hospitals-near-me/gurugram-hospital/speciality/breast-cancer/disease/breast-fibroadenoma-types-symptoms-causes-recovery-treatment

  Fibroadenomas are noncancerous (benign) lumps that commonly develop in the breast tissue of women. […] The exact cause of fibroadenomas development is still under research, but there are some risk factors that have been identified. The following are some possible causes and risk factors of fibroadenomas: […] Changes in hormone levels, such as those that occur during puberty, pregnancy, and menopause, can cause the breast tissue to become more sensitive and increase the likelihood of developing fibroadenomas. […] Women with a family history of fibroadenomas or breast cancer may have higher chances of developing fibroadenomas themselves. […] Fibroadenomas can occur at any age, but are most common in women in their 20s and 30s. […] Fibroadenomas are more common in white women than in women of other races. […] Certain lifestyle factors, such as a high-fat diet, alcohol consumption, and smoking, may increase the risk of developing fibroadenomas. […] These factors may increase your risk of developing fibroadenomas, but they do not necessarily cause them.

• #33 Fibroadenoma of the breast: what it is, its types, symptoms, diagnosis and treatment

  https://medconsonline.com/en/blog/fibroadenoma-of-the-breast

  Injury: it is hypothesized that damage to the organ can induce local tissue changes leading to the development of benign lesions. […] Diet and lifestyle: although there is no direct link, some studies suggest that certain dietary and lifestyle factors, such as a high-fat diet, can affect hormone levels and, consequently, stimulate the development of breast nodules. […] Other possible causes that are still being debated include certain immunosuppressant drugs and viral infections such as the Eppstein-Barr virus.

• #34 Fibroadenoma of the breast: what it is, its types, symptoms, diagnosis and treatment

  https://medconsonline.com/en/blog/fibroadenoma-of-the-breast

  The exact causes of these breast tumors are unknown, but several factors are thought to contribute to their development. […] Reproductive hormone imbalance: abnormal estradiol and progesterone ratio with increased levels of the former. The hormone dependence of fibrous glandular overgrowths is proved, in particular, by the fact that their size partially changes during the menstrual cycle and increases during pregnancy, while regression symptoms (reduction in size, calcification, etc.) often occur in postmenopause. […] Familial predisposition: it is known that if fibroadenomas or other benign breast disorders are present in close relatives, the risk of developing these conditions is increased. […] Local growth factors: by promoting the proliferation of stromal tissue and glandular components, local growth factors can stimulate the growth of breast lumps.

• #35 Fibroadenoma (breast) | Radiology Reference Article | Radiopaedia.org

  https://radiopaedia.org/articles/fibroadenoma-breast?lang=us

  Fibroadenoma is a common benign breast lesion resulting from the excess proliferation of connective tissue. Fibroadenomas characteristically contain both stromal and epithelial cells. […] They are assumed to be aberrations of normal breast development (ANDI) or the product of hyperplastic processes, rather than true neoplasms. Fibroadenomas can be stimulated by estrogen and progesterone. Some fibroadenomas also have receptors and respond to growth hormone and epidermal growth factor. […] Patients with multiple fibroadenomas tend to have a strong family history of these tumors.

• #36 Fibroadenoma of the breast: what it is, its types, symptoms, diagnosis and treatment

  https://medconsonline.com/en/blog/fibroadenoma-of-the-breast

  Injury: it is hypothesized that damage to the organ can induce local tissue changes leading to the development of benign lesions. […] Diet and lifestyle: although there is no direct link, some studies suggest that certain dietary and lifestyle factors, such as a high-fat diet, can affect hormone levels and, consequently, stimulate the development of breast nodules. […] Other possible causes that are still being debated include certain immunosuppressant drugs and viral infections such as the Eppstein-Barr virus.

• #37 Fibroadenoma (benign breast lump) – Find a senology specialist!

  https://www.leading-medicine-guide.com/en/illness/genitourinary/fibroadenoma

  Fibroadenomas are caused by the excessive formation of new breast and glandular tissue. […] It is very likely that hormonal changes in a woman’s body lead to excessive cell growth in the breast. There is often an imbalance between progesterone and oestrogens. Other possible causes that are currently being discussed could be taking certain immunosuppressants, Carney complex (frequent development of so-called myxomas, hormonal regulation disorders and numerous pigment spots), viral infections, e.g. with the Eppstein-Barr virus (EBV). […] What causes this increased formation of new connective or glandular tissue in the breast is still not fully understood.

• #38 Breast Fibroadenoma: Symptoms, Treatment & Removal

  https://my.clevelandclinic.org/health/diseases/15690-fibroadenomas-of-the-breast

  Fibroadenomas are common noncancerous (benign) breast lumps. […] Fibroadenomas grow in the lobule area of your breast tissue. Lobules are the glands in your breasts that make milk during lactation. […] Healthcare providers dont know why some women get fibroadenomas. Some believe it has to do with being sensitive to estrogen. This is because fibroadenomas tend to grow during pregnancy or hormone therapy (when estrogen is higher), while theyre more likely to shrink after menopause (when estrogen is lower). […] Fibroadenoma is most common between the ages of 15 and 35. However, any female who has a period (menstruates) can get them. Once you reach menopause, they become uncommon. Black women have a slightly higher risk of developing a fibroadenoma.

• #39 What is Breast Fibroadenoma Imaging?

  https://www.icliniq.com/articles/radiology/breast-fibroadenoma-imaging

  Breast fibroadenoma is a benign tumor that commonly affects young women. […] The etiology of breast fibroadenoma is debatable. However, medical professionals believe that hormonal changes might be a possible cause of breast fibroadenoma. As the breast tissues are more sensitive to the female reproductive hormone estrogen, they usually increase in size during pregnancy and shrink during menopause. Therefore, there is an increased risk of fibroadenoma in females who take oral contraceptives before age 20. […] It is found that about ten percent of the world’s female population have breast fibroadenoma at least once in their lifetime. The incidence of breast fibroadenoma decreases as age increases.

• #40 Discovering a Lump: Understanding Fibroadenomas and Prioritizing Breast Health | Consulting Radiologists

  https://www.consultingradiologists.com/discovering-a-lump-understanding-fibroadenomas-and-prioritizing-breast-health/

  In many cases, a palpable lump turns out to be a fibroadenoma, a benign (non-cancerous) breast tumor that is incredibly common, especially among women in their 20s, 30s, and 40s. […] Researchers have not yet determined the precise cause of fibroadenomas. One leading theory suggests they may be linked to estrogen sensitivity. This hypothesis arises from the observation that fibroadenomas often grow during pregnancy or hormone therapy when estrogen levels are elevated. Conversely, they tend to shrink after menopause as estrogen production declines. […] Simple fibroadenomas, which tend to be smaller growths, are not considered precancerous. These common benign lumps may cause discomfort or anxiety, but they do not signal broader implications for a woman’s overall risk of developing breast cancer. […] Unfortunately, there is no known way to prevent the development of fibroadenomas.

• #41 Fibroadenoma of the breast: MedlinePlus Medical EncyclopediaLock

  https://medlineplus.gov/ency/article/007216.htm

  The cause of fibroadenomas is not known. They may be related to hormones. Girls who are going through puberty and women who are pregnant are most often affected. Fibroadenomas are found much less often in older women who have gone through menopause. […] Fibroadenoma is the most common benign tumor of the breast. It is the most common breast tumor in women under age 30.

• #42

  https://www.koruhastanesi.com/what-is-fibroadenoma-symptoms-and-treatment-3935-5

  Fibroadenoma is a common but often misunderstood condition that affects many individuals, primarily women. […] The exact causes of fibroadenomas are not well understood. However, several factors may contribute to their development: […] Hormonal changes, especially during menstruation, pregnancy, and menopause, can influence the growth of fibroadenomas. These tumors tend to enlarge during pregnancy and may regress after menopause. […] There is evidence to suggest that genetics plays a role in the development of fibroadenomas. If you have a family history of these tumors, you may be at a higher risk. […] Some studies have linked the use of hormone replacement therapy to an increased risk of developing fibroadenomas. […] Fibroadenomas are most common in women of reproductive age, and the risk decreases with age.

• #43 Breast Fibroadenoma: Symptoms, Treatment & Removal

  https://my.clevelandclinic.org/health/diseases/15690-fibroadenomas-of-the-breast

  Fibroadenomas are common noncancerous (benign) breast lumps. […] Fibroadenomas grow in the lobule area of your breast tissue. Lobules are the glands in your breasts that make milk during lactation. […] Healthcare providers dont know why some women get fibroadenomas. Some believe it has to do with being sensitive to estrogen. This is because fibroadenomas tend to grow during pregnancy or hormone therapy (when estrogen is higher), while theyre more likely to shrink after menopause (when estrogen is lower). […] Fibroadenoma is most common between the ages of 15 and 35. However, any female who has a period (menstruates) can get them. Once you reach menopause, they become uncommon. Black women have a slightly higher risk of developing a fibroadenoma.

• #44 Fibroadenomas | Benign Breast Conditions | OB/GYN & Women’s Health | University Hospitals | University Hospitals

  https://www.uhhospitals.org/services/obgyn-womens-health/conditions-and-treatments/breast-health/conditions-we-treat/breast-fibroadenomas

  Fibroadenomas are solid tumors consist of fibrous and glandular tissue that form a mass. […] Experts are unclear on what causes fibroadenomas but believe that the hormone estrogen play a role. Fibroadenomas tend to grow larger during pregnancy, when estrogen levels are higher, and shrink when estrogen levels fall during menopause. Genetics may also be a factor. […] Fibroadenomas most often occur in younger women who have a period, although they can also develop in menopausal women who are on hormone therapy. Black women also have a slightly higher risk of developing a fibroadenoma.

• #45 What is Breast Fibroadenoma Imaging?

  https://www.icliniq.com/articles/radiology/breast-fibroadenoma-imaging

  Breast fibroadenoma is a benign tumor that commonly affects young women. […] The etiology of breast fibroadenoma is debatable. However, medical professionals believe that hormonal changes might be a possible cause of breast fibroadenoma. As the breast tissues are more sensitive to the female reproductive hormone estrogen, they usually increase in size during pregnancy and shrink during menopause. Therefore, there is an increased risk of fibroadenoma in females who take oral contraceptives before age 20. […] It is found that about ten percent of the world’s female population have breast fibroadenoma at least once in their lifetime. The incidence of breast fibroadenoma decreases as age increases.

• #46 Fibroadenoma – Wikipedia

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

  Fibroadenoma is a benign breast tumor characterized by an admixture of stromal and epithelial tissue. […] The cause of fibroadenoma is unknown (idiopathic). A connection between fibroadenomas and reproductive hormones has been suggested which may explain why they present themselves during reproductive years, increase in size during pregnancy, and regress post-menopause. […] Higher intake of fruits and vegetables, higher number of live births, lower use of oral contraceptives and moderate exercise are associated with lower frequency of fibroadenomas. […] Up to 66% of fibroadenomas harbor mutations in the exon (exon 2) of the mediator complex subunit 12 (MED12) gene. In particular, these mutations are restricted to the stromal component.

• #47 Fibroadenoma of the Breast: Types, Causes, Symptoms & Treatment

  https://www.ganeshdiagnostic.com/blog/fibroadenoma-of-the-breast-types-causes-symptoms-and-treatment

  Fibroadenomas are generous breast tumors characterized by an admixture of stromal and epithelial tissue. […] The cause of fibroadenoma is obscure (idiopathic). An association between fibroadenomas and regenerative hormones has been suggested which may explain why they display themselves amid regenerative for a long time, increase in size amid pregnancy, and relapse post-menopause. […] Higher admissions of natural products and vegetables, a higher number of live births, lower utilization of verbal contraceptives, and direct work out are related to lower frequency of fibroadenomas.

• #48 Fibroadenoma | Breast Cancer Now

  https://breastcancernow.org/about-breast-cancer/breast-lumps-and-benign-not-cancer-breast-conditions/fibroadenoma

  Fibroadenomas can occur at any age but are more common in younger women. […] Its not known what causes fibroadenomas, but its thought they may occur because of the effects of the hormone oestrogen. […] Having a complex fibroadenoma can very slightly increase the risk of developing breast cancer in the future. […] For most people, having a fibroadenoma does not increase the risk of developing breast cancer.

• #49 Fibroadenoma: Symptoms, Causes, Diagnosis, and Treatment

  https://www.webmd.com/breast-cancer/what-are-fibroadenomas?page=2

  Doctors don’t know what causes fibroadenomas. They may be related to changing levels of the hormone estrogen. They often grow during pregnancy when your estrogen levels are high, and shrink when your estrogen levels drop after menopause. […] Having a simple fibroadenoma may raise your risk of breast cancer, compared with women without fibroadenomas. But if you had a fibroadenoma that was complex, it might mean a slightly higher risk of breast cancer later on.

• #50 Non-cancerous tumours of the breast | Canadian Cancer Society

  https://cancer.ca/en/cancer-information/cancer-types/breast/what-is-breast-cancer/non-cancerous-tumours

  Fibroadenomas are made up of connective and gland tissues. They are common in young women between 20 and 30 years of age. […] Simple fibroadenomas are the most common type of fibroadenoma. They are made up of one type of tissue. Simple fibroadenomas dont increase the risk for breast cancer. […] Complex fibroadenomas are made up of different tissues, including cysts, calcifications and enlarged groups of glands that make milk (called lobules). Having a complex fibroadenoma slightly increases the risk for developing breast cancer.

• #51 Fibroadenomas of the Breast | American Cancer Society

  https://www.cancer.org/cancer/types/breast-cancer/non-cancerous-breast-conditions/fibroadenomas-of-the-breast.html

  The cause of fibroadenomas is not known. […] Simple fibroadenomas do not seem to increase breast cancer risk by much, if at all. Complex fibroadenomas seem to increase the risk slightly more than simple fibroadenomas.

• #52 Non-cancerous tumours of the breast | Canadian Cancer Society

  https://cancer.ca/en/cancer-information/cancer-types/breast/what-is-breast-cancer/non-cancerous-tumours

  Fibroadenomas are made up of connective and gland tissues. They are common in young women between 20 and 30 years of age. […] Simple fibroadenomas are the most common type of fibroadenoma. They are made up of one type of tissue. Simple fibroadenomas dont increase the risk for breast cancer. […] Complex fibroadenomas are made up of different tissues, including cysts, calcifications and enlarged groups of glands that make milk (called lobules). Having a complex fibroadenoma slightly increases the risk for developing breast cancer.

• #53 Fibroadenoma of Breast: Causes, Symptoms, and Diagnosis

  https://www.healthline.com/health/fibroadenoma-breast

  Its unknown exactly what causes fibroadenomas. Hormones such as estrogen may play a part in the growth and development of the tumors. Taking oral contraceptives before the age of 20 has been associated with a higher risk of developing fibroadenomas as well. […] Complex fibroadenomas can slightly increase your risk of breast cancer. The American Cancer Society states that women with complex fibroadenomas have approximately one and a half times greater risk of developing breast cancer than women with no breast lumps.

• #54 What Is a Fibroadenoma, and How Does It Affect My Health? – Iowa Radiology

  https://www.iowaradiology.com/what-is-a-fibroadenoma-and-how-does-it-affect-my-health/

  Fibroadenomas are the most common type of breast mass. […] While the cause of fibroadenomas is not entirely clear, reproductive hormones appear to play an important role in their development and growth. […] They are most commonly found during the childbearing years and can grow during pregnancy, hormone therapy, and use of hormone-based contraceptives as well as fluctuate in size throughout the menstrual cycle. […] Experts offer varying opinions about whether a fibroadenoma increases the risk of developing breast cancer. […] The American Cancer Society states that women with simple fibroadenomas (which look the same throughout) experience 1.5 times the risk of breast cancer than women without them, and women with complex fibroadenomas (which tend to be bigger and appear in older women) are at a slightly higher risk than that.

• #55 Fibroadenoma of Breast: Causes, Symptoms, and Diagnosis

  https://www.healthline.com/health/fibroadenoma-breast

  Its unknown exactly what causes fibroadenomas. Hormones such as estrogen may play a part in the growth and development of the tumors. Taking oral contraceptives before the age of 20 has been associated with a higher risk of developing fibroadenomas as well. […] Complex fibroadenomas can slightly increase your risk of breast cancer. The American Cancer Society states that women with complex fibroadenomas have approximately one and a half times greater risk of developing breast cancer than women with no breast lumps.

• #56 What Is a Fibroadenoma, and How Does It Affect My Health? – Iowa Radiology

  https://www.iowaradiology.com/what-is-a-fibroadenoma-and-how-does-it-affect-my-health/

  Some experts assert that this perceived increased risk is a result of older, less accurate diagnosis procedures, which incorrectly identified other types of masses as fibroadenomas. […] It’s worth noting, however, that women who develop many fibroadenomas tend to have denser breast tissue, which is associated with a higher incidence of breast cancer.

• #57 What Is a Fibroadenoma, and How Does It Affect My Health? – Iowa Radiology

  https://www.iowaradiology.com/what-is-a-fibroadenoma-and-how-does-it-affect-my-health/

  Some experts assert that this perceived increased risk is a result of older, less accurate diagnosis procedures, which incorrectly identified other types of masses as fibroadenomas. […] It’s worth noting, however, that women who develop many fibroadenomas tend to have denser breast tissue, which is associated with a higher incidence of breast cancer.

• #58 Fibroadenoma of the Breast: Everything you need to know with Moose and Doc

  https://breast-cancer.ca/fibro-noma/

  Fibroadenoma is a term that medics use to describe a broad range of solid, benign breast lesions that commonly affect premenopausal women. […] Fibroadenomas usually develop in the normal breast from the lobules, which are the glands responsible for milk production. The surrounding tissue and breast ducts grow over the lobule creating a benign breast tumor or lump. […] The cause of a fibroadenoma is unknown, but there is a link with abundant estrogen, as they are common in young women. Medics believe that fibroadenoma formation may be related to the hormone-receptor mechanisms. […] Fibroadenomas themselves do NOT pose any risk of breast cancer development throughout the breast tissue. […] However, many of these women with fibroadenomas, also have denser breast tissue, and this does carry a higher risk for breast cancer. […] This is unknown. However, reproductive hormones may play a role in the development of a fibroadenoma.

• #59 Causes of Fibroadenoma of the Breast – Acibadem Health Point – ACIBADEM Hospitals – Acibadem Health Group

  https://www.acibademhealthpoint.com/causes-of-fibroadenoma-of-the-breast/

  Smoking has also been associated with an increased risk of fibroadenoma development. […] The exact causes of fibroadenoma development are not fully understood, but researchers have identified several risk factors. Hormonal fluctuations, such as those experienced during puberty, pregnancy, and menopause, can contribute to the formation of fibroadenomas. Genetic factors, such as certain gene mutations and a family history of fibroadenomas, can also increase the risk. Other potential contributing factors include breast trauma or injury and fibrocystic changes in the breast tissue.

• #60 What are the Symptoms, Diagnosis & Treatments of Breast Fibroadenoma? | Medanta

  https://www.medanta.org/patient-education-blog/what-are-the-symptoms-diagnosis-treatments-of-breast-fibroadenoma

  Breast fibroadenoma causes, diagnostic procedures, and potential treatments. […] The exact cause of fibroadenoma is unknown. However, their growth is believed to be influenced by reproductive hormones like oestrogen and progesterone, as they often form in women of childbearing age and can enlarge during pregnancy or with the use of hormone therapy. […] Genetics may also play a role. Studies have found that women with a family history of fibroadenomas are more likely to develop these benign tumours. Although much less understood, some environmental and lifestyle factors, such as diet and stress, could potentially influence fibroadenoma development.

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