Materiały źródłowe

• #1 Baker’s Cyst: Causes, Symptoms, & Treatment

  https://www.webmd.com/arthritis/what-is-bakers-cysts

  Bakers cysts got their name from the doctor who first described them, a 19th-century surgeon named William Morrant Baker. […] Causes of a Bakers cyst may include: […] Swelling in the knee. This happens when the fluid that lubricates your knee joint increases. When pressure builds up, fluid squeezes into the back of the knee and creates the cyst. […] Arthritis. People with all forms of arthritis often have Bakers cysts. […] Gout. This type of arthritis, which results from the buildup of uric acid in the blood, can lead to a Bakers cyst. […] Knee injuries. Certain types of damage to your knee can lead to Bakers cyst, such as a tear in the ligament that connects the thigh bone to the shin bone (anterior cruciate ligament, or ACL) or a tear in your meniscus, which is the pad of cartilage that cushions your knee joint. A sports-related injury or any other blow to the knee can also cause a Baker’s cyst.

• #1 Baker cyst | Radiology Reference Article | Radiopaedia.org

  https://radiopaedia.org/articles/baker-cyst-2?lang=us

  Baker cysts, or popliteal cysts, are fluid-filled distended synovial-lined lesions arising in the popliteal fossa between the medial head of the gastrocnemius and the semimembranosus tendons via a communication with the knee joint. They represent neither a true bursa nor a true cyst, as they occur as a communication between the posterior joint capsule and the gastrocnemius-semimembranosus bursa. […] Two pathological processes are described: a valve-like connection between the knee joint and the gastrocnemius-semimembranosus bursa, resulting in fluid being squeezed in one direction; no connection, with primary gastrocnemius-semimembranosus bursitis. […] Recognized complications include: dissection: the cyst usually dissects inferomedially but can dissect proximally, anteriorly, intermuscularly or intramuscularly; rupture: leaking of cyst fluid into the popliteal fossa, between fascial planes and surrounding the hamstrings and medial gastrocnemius muscles; moreover, there is edema of the soft tissue and irregularity of the cyst wall; compression: of the popliteal vessels and tibial nerve; compartment syndrome: can be either anterior or posterior.

• #1 Baker’s Cyst – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK430774/

  Baker’s cysts are encountered most frequently in adults with a history of trauma (e.g., cartilage or meniscus tears, injury to the knee), in association with degenerative/co-existing knee joint disease (e.g., osteoarthritis, rheumatoid arthritis, infectious arthritis, pigmented villonodular synovitis, meniscal tears), or asymptomatically as an incidental finding. […] Baker’s cysts form and can expand as a result of the accumulation and extrusion of synovial fluid that localizes between the semimembranosus and medial head of the gastrocnemius. In some instances, normal anatomic variants entail physiologic capsular openings or defects in the posterior knee joint capsule that is essentially contiguous with the gastrocnemius-semimembranosus bursa.

• #1 Baker’s Cyst: Causes, Symptoms, and Treatment

  https://patient.info/bones-joints-muscles/knee-pain-patellofemoral-pain/bakers-cyst

  A Baker’s cyst may develop just behind an otherwise healthy knee joint. This type of cyst is sometimes referred to as a primary or idiopathic Baker’s cyst and usually develops in younger people and in children. […] It is more common for a Baker’s cyst to develop if there is an underlying problem within the knee, such as arthritis or a tear in the meniscal cartilage that lines the inside of the knee joint. This is sometimes referred to as a secondary Baker’s cyst. […] In a secondary Baker’s cyst, the underlying problem within the knee joint causes too much synovial fluid to be produced within the joint. As a result of this, the pressure inside the knee increases and this has the effect of stretching the joint capsule. The joint capsule bulges out into the back of the knee, forming the Baker’s cyst that is filled with synovial fluid.

• #1 Baker’s cysts: causes and treatment | gesund.bund.de

  https://gesund.bund.de/en/bakers-cysts

  In adults, Bakers cysts at the back of the knee are usually caused by damage to the knee joint. […] In adults, the cysts usually form as a result of injury or a chronic joint disease, such as osteoarthritis or rheumatoid arthritis. […] In adults, Bakers cysts often develop after a knee injury, such as a torn meniscus, or as a result of a chronic joint disease, such as rheumatoid arthritis or osteoarthritis. […] If the knee is damaged, it is no longer able to sufficiently dampen friction and impacts. To compensate for this, more joint fluid is produced in the joint capsule. […] The excess joint fluid forces its way into the bursa sac at the back of the knee, which is connected to the joint cavity. This becomes distended and a Bakers cyst develops. […] Older adults are also more likely to have suffered a knee injury at some point in their lives. Chronic joint diseases are also more likely to occur with age. Both of these factors increase the risk of developing a Bakers cyst.

• #1 What’s a Baker’s Cyst and How’s It Treated? – Total Orthopedics and Sports Medicine

  https://www.totalorthosportsmed.com/bakers-cyst-treatment/

  A Bakers cyst is typically caused by inflammation related to the following conditions: […] Osteoarthritis (OA). The wear and tear of knee joint cartilage and soft tissue due to aging, overuse, or injury. Worn cartilage causes the knee to become inflamed. This inflammation causes the capsule to make extra fluid which then collects in the Bakers cyst in the back of the knee. […] Rheumatoid arthritis (RA). An autoimmune disease in which the body mistakenly attacks its own cartilage. This inflammation can cause significant swelling which collects in the back of the knee. […] Meniscal Tears. The meniscus is the rubbery fibrocartilage between the cartilage on the tibia and femur. Meniscal tears can cause inflammation as they flip up and down between the cartilage on the bone. This is not to be confused with a patella tendon tear.

• #1 Baker’s (popliteal) cyst: Treatments, symptoms, and causes

  https://www.medicalnewstoday.com/articles/184714

  Most people with Bakers cysts have an underlying illness. […] It happens when inflammation and swelling affects the tissue behind the knee joint. It often results from gout or arthritis. […] This can be caused by an inflammation of the knee joint, usually due to an underlying condition, such as: […] Gout levels of uric acid in the blood rise until the level becomes excessive (hyperuricemia), causing urate crystals to build up around the joints. This causes inflammation and severe pain. […] Hemophilia an inherited medical condition where the blood does not clot properly, leading to internal bleeding and joint damage. […] Lupus an autoimmune disease where the bodys immune system attacks normal, healthy tissue. […] Osteoarthritis a form of arthritis caused by inflammation, breakdown, and the eventual loss of cartilage in the joints the cartilage wears down over time.

• #1 What is a Baker’s Cyst? | Princeton Orthopaedic AssociatesVisit our FacebookVisit our InstagramVisit our LinkedInVisit our YouTube channelVisit our FacebookVisit our InstagramVisit our YouTube channelasterisksearchclosedownloadmap-markerchevron-leftinfo-c

  https://www.princetonorthopaedic.com/what-is-a-bakers-cyst/

  Meniscus tear: This injury is a tear in the cartilage of your knee and can trigger inflammation, leading to cyst development. […] Knee injuries: Trauma or repetitive stress can inflame the knee joint, prompting fluid buildup. […] Gout or other joint issues: Conditions that cause swelling in the knee may result in forming a Baker’s cyst.

• #1 Cystic Lesions About the Knee: Practice Essentials, History of the Procedure, Problem

  https://emedicine.medscape.com/article/1250593-overview

  Cysts about the knee have multiple etiologies, including irritated and inflamed bursae, meniscal cysts caused by intra-articular pathology, and special categories, such the following: […] Baker cyst or popliteal cyst […] When a Baker cyst forms in association with a meniscal tear, the meniscus serves as a one-way valve. This allows synovial fluid to enter the cyst but prevents its evacuation back into the knee joint cavity. The trapped fluid localizes and consolidates to form a viscous, gel-like material. […] In children, Baker cysts result from herniation of the posterior knee joint synovium/capsule. […] It is important to realize that other processes can mimic cysts on MRI. […] Benign and malignant tumors must be ruled out during the workup of any cyst about the knee; other entities to consider are abscesses and vascular masses, such as popliteal vein varices and popliteal artery aneurysms.

• #1 Baker Cyst: Symptoms, Causes & Treatment

  https://my.clevelandclinic.org/health/diseases/15183-bakers-cyst

  Baker cysts develop when something damages your knee joint or the tissues around it and extra fluid drains out of your knee. […] Anything that damages your knee joint can cause swelling and trigger a Baker cyst. The most common causes are different types of knee arthritis and injuries. […] The most common forms of arthritis that cause Baker cysts include: Osteoarthritis, Rheumatoid arthritis, Gout. […] If you experience a knee injury, the damage can cause swelling in your knee that leads to a Baker cyst. Knee injuries that cause Baker cysts include: Repetitive strain injuries (overuse injuries), Meniscus tears, Hyperextensions, Sprains, Dislocations, Bone fractures. […] Injuries that damage your knee ligaments can cause Baker cysts, including: ACL tears, MCL tears, LCL tears, PCL tears.

• #1 Baker’s cyst | Better Health Channel

  https://www.betterhealth.vic.gov.au/health/conditionsandtreatments/bakers-cyst

  A Baker’s cyst is a swelling on the back of the knee, caused by a build-up of excess fluid inside the bursa. […] Some of the common causes of a Baker’s cyst include: injury trauma or injury to the knee that can cause a build-up of excess fluid, torn cartilage cartilage is a thin cushion on the ends of your bones, arthritis particularly rheumatoid arthritis and osteoarthritis, infection can cause fluid to build up around the knee joint, unknown causes Baker’s cysts can sometimes develop for no apparent reason.

• #1 Infection of Baker’s Cyst without Bacteremia, Sepsis, or Extraneous Source: A Case Report

  https://pmc.ncbi.nlm.nih.gov/articles/PMC10152956/

  Bakers cysts are benign fluid-filled cysts that commonly form around knee joints which typically resolve spontaneously. […] Infection of bakers cysts is uncommon, but most often associated with septic arthritis or bacteremia. […] Infection of popliteal cysts is uncommon and mostly associated with septic arthritis. […] Infections can also occur due to bacteremia since the cyst provides an ideal environment for growth and most likely are due to Staphylococcus aureus. […] While in the majority of the reviewed cases, the infection remained isolated to the knee joint, there were also reports of infected Bakers cysts present in the setting of bacteremia. […] An infected Bakers cyst should be considered when the patient presents with a popliteal cyst, local inflammation, and signs of systemic infection.

• #1 Infection of Baker’s Cyst without Bacteremia, Sepsis, or Extraneous Source: A Case Report

  https://pmc.ncbi.nlm.nih.gov/articles/PMC10152956/

  This case was particularly interesting because, although the patient developed signs of an infected Bakers Cyst, the initial blood and knee joint fluid aspiration cultures were negative, meaning that the infection remained isolated in the cyst. […] This development of an infected Bakers cyst after negative fluid cultures, combined with the lack of systemic spread, has not been seen before in the literature to our knowledge. […] Even without bacteremia, septic arthritis, or a known external source, an infection may localize within a Bakers cyst and cause systemic symptoms.

• #1 What causes a Baker’s Cyst? – OSMO Patch US

  https://www.osmopatch.com/bakers-cyst/what-causes-a-bakers-cyst/

  A Bakers Cyst is a swelling in the back of the knee caused by the build-up of fluid inside a small sac called a bursa. […] Bakers Cysts are actually quite common. They can be caused by nearly any joint-related injury. […] There are several common causes that may result in the formation of a Bakers Cyst. […] Such as a micro tear in the knees meniscal cartilage. […] A repetitive stress injury. […] Wear tear in the knee, which occurs as we age. […] An injury to the anterior cruciate ligament of the knee. Known as an ACL injury. […] A sports-related injury that affects the knee. […] The type of work that a person does may also make them more susceptible to developing a Bakers Cyst. […] Jobs that require long shifts without sitting or that place unusual weight loading through the knees, such as nursing, may be the cause of a Bakers Cyst.

• #1 What You Need to Know About Baker’s Cysts: Causes, Symptoms, and Treatment | Jeremy Burnham, MD

  https://www.jeremyburnhammd.com/bakers-cyst-popliteal-cyst-knee/

  A bakers cyst, also known as a popliteal cyst, is a type of fluid-filled sac that forms near the back of the knee. The most common cause of a bakers cyst is arthritis, specifically osteoarthritis or rheumatoid arthritis. […] However, other conditions that can lead to the formation of a bakers cyst include gout, meniscus tears, and ligament injuries. […] Treatment for a bakers cyst typically involves treating the underlying cause of the fluid buildup. […] A Bakers cyst can sometimes rupture (burst), resulting in fluid leaking down into your calf. […] The recommended treatment for a ruptured cyst is rest and elevation (keeping the affected leg raised). […] In some cases, the cyst may need to be aspirated (drained) with a needle. […] If a Bakers cyst ruptures, the fluid can seep into the calf and leg, causing swelling and pain. […] Treatment typically involves treating the underlying cause of fluid buildup. […] Most often, the cyst flares up when the underlying knee condition worsens, causing excess accumulation of fluid.

• #1 Baker cyst – Symptoms and causes – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/bakers-cyst/symptoms-causes/syc-20369950

  Swelling on the back of one knee may be a Baker cyst. This can form when joint-lubricating fluid fills a cushioning pouch (bursa) at the back of the knee. […] A Baker cyst is usually the result of a problem with the knee joint, such as arthritis or a cartilage tear. Both conditions can cause the knee to produce too much fluid. […] But sometimes underlying conditions can cause the knee to produce too much synovial fluid. When this happens, fluid can build up in the back of the knee, leading to a Baker cyst. […] This can be caused by: Inflammation of the knee joint, which can occur with various types of arthritis; A knee injury, such as a cartilage tear.

• #1 Baker Cyst | Cedars-Sinai

  https://www.cedars-sinai.org/health-library/diseases-and-conditions/b/bakers-cyst.html

  A Baker cyst forms when an injury or disease causes extra synovial fluid to leak into the extra space behind the knee. […] Injury or a knee disorder can change the normal structure of the knee joint. This can cause a cyst to form. […] The synovial fluid inside the joint space may build up as a result of injury or disease. As the pressure builds up, the fluid may bulge into the back of the knee. This can cause the cyst. […] A Baker cyst is usually the result of some other problem with the knee. It may be caused by osteoarthritis or a tear of the knees cartilage.

• #2 Baker’s Cyst, Causes and Treatment | Direct Orthopedic Care

  https://www.directorthocare.com/bakers-cyst-causes-and-treatment/

  A Bakers cyst is a swelling in the space behind the knee. […] In the late 19th century, Dr. Baker documented cases of swelling in the popliteal region, the depression in the back of the knee joint, hypothesizing that it was a result of synovial membrane herniation and cyst formation due to osteoarthritis. […] A Bakers or popliteal cyst is a synovial fluid filled cyst that develops behind the knee. It is usually the result of knee joint conditions, such as arthritis, torn cartilage, and gout, that cause the knee to produce excess lubricating fluid. […] If the underlying cause of the Bakers cyst, as determined by a physical exam by the DOC orthopedic surgeon or PA and imaging tests, X-rays or MRI, is a cartilage tear that is causing overproduction of synovial fluid, surgical intervention may be needed to repair the torn cartilage.

• #2 Diagnosing and Treating a Baker’s Cyst | Grosvenor Orthopaedics London

  https://gop.health/knee/bakers-cyst-causes-diagnosis-treatment/

  A Bakers Cyst occurs when a bursa (a fluid filled sack that allows anatomical structures to rub smoothly over each other) between two of the main muscles in the back of the leg (medial gastrocnemius and semimembranosis for you anatomy geeks) becomes inflamed and fills with more fluid than normal. […] Although the bursa is present in everyone, in adults it can become inflamed and enlarged because it connects with the underlying knee joint. When the joint is damaged, whether because of arthritis, meniscal tears or ligament damage, a one-way valve develops and fluid gets pushed into the cyst. […] This means that a Bakers Cyst is often a result of an underlying problem, rather than the primary problem itself.

• #2 Cystic Lesions About the Knee: Practice Essentials, History of the Procedure, Problem

  https://emedicine.medscape.com/article/1250593-overview

  Cysts about the knee have multiple etiologies, including irritated and inflamed bursae, meniscal cysts caused by intra-articular pathology, and special categories, such the following: […] Baker cyst or popliteal cyst […] When a Baker cyst forms in association with a meniscal tear, the meniscus serves as a one-way valve. This allows synovial fluid to enter the cyst but prevents its evacuation back into the knee joint cavity. The trapped fluid localizes and consolidates to form a viscous, gel-like material. […] In children, Baker cysts result from herniation of the posterior knee joint synovium/capsule. […] It is important to realize that other processes can mimic cysts on MRI. […] Benign and malignant tumors must be ruled out during the workup of any cyst about the knee; other entities to consider are abscesses and vascular masses, such as popliteal vein varices and popliteal artery aneurysms.

• #2 What is a Baker’s Cyst? | Princeton Orthopaedic AssociatesVisit our FacebookVisit our InstagramVisit our LinkedInVisit our YouTube channelVisit our FacebookVisit our InstagramVisit our YouTube channelasterisksearchclosedownloadmap-markerchevron-leftinfo-c

  https://www.princetonorthopaedic.com/what-is-a-bakers-cyst/

  If you feel a tight, achy feeling behind your knee, it might be a Baker’s cyst. […] A Baker’s cyst (known as a popliteal cyst) is a fluid-filled sac that forms behind your knee. It develops when excess joint fluid—known as synovial fluid—accumulates in the popliteal bursa; this small sac serves to help cushion the knee joint. This accumulation causes swelling and, in some cases, discomfort. […] The Baker’s cyst is usually a symptom of an underlying issue, such as arthritis or a meniscus tear. […] Several underlying conditions can lead to the formation of a Baker’s cyst: Osteoarthritis: As the most common cause, this wear-and-tear condition inflames the knee joint, increasing fluid production. […] Rheumatoid arthritis: Inflammatory arthritis can cause excessive fluid to accumulate in the affected joint.

• #2 Baker’s Cyst – Causes, Symptoms, Diagnosis, Treatment

  https://www.medindia.net/health/conditions/bakers-cyst.htm

  Bakers cyst most commonly affects people over the age of 40 years, but can affect even children. […] Pre-existing conditions like rheumatoid arthritis, osteoarthritis, cartilage tear and other knee conditions predispose to the development of a Bakers cyst. […] The cyst usually communicates with the knee joint by a valve-like mechanism and this helps the presence of fluid that contributes to the formation of the cyst.

• #2 Understanding Baker’s Cyst on Ultrasound: Causes and Symptoms

  https://sportdoctorlondon.com/bakers-cyst-on-ultrasound/

  A Bakers cyst forms due to excessive fluid build-up in the knee. Usually, excess fluid is produced in conditions such as osteoarthritis, rheumatoid arthritis, and a torn meniscus. […] Yes. People with rheumatoid arthritis are more likely to develop more prominent and painful Bakers cysts. In these rheumatoid cases, Bakers cyst on ultrasound reveals significant complex fluid and active synovitis.

• #2 What is a Baker’s Cyst? | Princeton Orthopaedic AssociatesVisit our FacebookVisit our InstagramVisit our LinkedInVisit our YouTube channelVisit our FacebookVisit our InstagramVisit our YouTube channelasterisksearchclosedownloadmap-markerchevron-leftinfo-c

  https://www.princetonorthopaedic.com/what-is-a-bakers-cyst/

  Meniscus tear: This injury is a tear in the cartilage of your knee and can trigger inflammation, leading to cyst development. […] Knee injuries: Trauma or repetitive stress can inflame the knee joint, prompting fluid buildup. […] Gout or other joint issues: Conditions that cause swelling in the knee may result in forming a Baker’s cyst.

• #2 Baker’s (popliteal) cyst: Treatments, symptoms, and causes

  https://www.medicalnewstoday.com/articles/184714

  Psoriasis some patients also experience pain and inflammation in their joints. […] Reactive arthritis a chronic (long-term) type of arthritis with inflamed joints, inflammation of the eyes, and inflammation of the genital, urinary, or gastrointestinal system. […] Rheumatoid arthritis an inflammatory form of arthritis. […] Septic arthritis joint inflammation caused by a bacterial infection. […] Injury injury or trauma to the knee, such as a cartilage tear, can lead to a Bakers cyst; they are common among athletes.

• #2 Baker’s cyst: diagnosis and therapy – Priv.-Doz. DDr. Christian Albrecht, Knee and cartilage specialist

  https://www.knieschmerzen-wien.at/bakers-cyst-en.html

  A Baker’s cyst usually develops as a result of chronic knee joint damage, such as meniscus or cartilage damage. […] Furthermore, meniscus and cartilage damage, which can be the cause of the Baker’s cyst, can be determined. […] the most important thing is to treat the underlying cause of the Baker’s cyst, such as meniscus and cartilage damage.

• #2 Bakers Cyst: Causes, Symptoms, Diagnosis and Treatment

  https://www.prepladder.com/neet-pg-study-material/surgery/bakers-cyst-causes-symptoms-diagnosis-treatment-prevention-and-complications

  A Baker cyst is often brought on by a problem with the knee joint, such as arthritis or cartilage damage. Both conditions may cause the knee to overproduce fluid. […] Any damage to your knee joint has the potential to cause a Baker cyst to form. The most common causes are various types of knee arthritis and accidents. […] The following kinds of arthritis frequently cause Baker cysts: Osteoarthritis, Rheumatic arthritis, Gout. […] As a result of damage from a knee injury, which can also cause knee swelling, a Baker cyst may form in your knee. Baker cysts can develop as a result of the following knee injuries: Overuse injuries, Meniscus tear, Hyperextensions, Sprains, Dislocations, Bone fractures. […] There are several knee ligament-damaging injuries that can lead to Baker cysts, including: ACL tears, MCL tears, LCL tears, PCL tear.

• #2 Baker’s Cyst – Symptoms, Causes, Treatment and Rehabilitation

  https://www.sportsinjuryclinic.net/posterior-knee-pain/bakers-cyst

  A Bakers Cyst or Popliteal cyst is a prominent swelling at the back of the knee. It is caused by an underlying injury or condition in the knee joint. […] Usually, some underlying disorder of the knee such as a meniscus injury or arthritis causes an increase in synovial fluid. This is the knees natural lubricating fluid. […] In younger athletes the cause may be a torn cartilage meniscus may be the underlying cause. In older athletes, arthritis is more likely to be a possible cause.

• #2 What Causes Baker’s Cyst? – Wilderman Medical Clinic

  https://drwilderman.com/conditions/sport-and-overuse-injury/bakers-cyst/

  Other knee joint injuries: Any injury that causes inflammation in the knee joint, such as a ligament sprain or strain can lead to the formation of a Bakers cyst. […] Gout: Gout is a type of arthritis that occurs when uric acid crystals build up in the joints, causing inflammation and pain. Gout can also cause a Bakers cyst to form. […] Infection: In rare cases, an infection in the knee joint can cause the formation of a Bakers cyst.

• #2 Popliteal (Baker’s) Cyst | Lurie Children’s

  https://www.luriechildrens.org/en/specialties-conditions/bakers-cyst/

  A popliteal (Bakers) cyst is swelling of the fluid-filled sac found in the back of your knee. […] In children, Bakers cyst are usually found in kids between 4-7 years old. […] These cysts can form in healthy knees and generally do not bother the child or limit their activity.

• #2 What You Need to Know About Baker’s Cysts: Causes, Symptoms, and Treatment | Jeremy Burnham, MD

  https://www.jeremyburnhammd.com/bakers-cyst-popliteal-cyst-knee/

  A bakers cyst, also known as a popliteal cyst, is a type of fluid-filled sac that forms near the back of the knee. The most common cause of a bakers cyst is arthritis, specifically osteoarthritis or rheumatoid arthritis. […] However, other conditions that can lead to the formation of a bakers cyst include gout, meniscus tears, and ligament injuries. […] Treatment for a bakers cyst typically involves treating the underlying cause of the fluid buildup. […] A Bakers cyst can sometimes rupture (burst), resulting in fluid leaking down into your calf. […] The recommended treatment for a ruptured cyst is rest and elevation (keeping the affected leg raised). […] In some cases, the cyst may need to be aspirated (drained) with a needle. […] If a Bakers cyst ruptures, the fluid can seep into the calf and leg, causing swelling and pain. […] Treatment typically involves treating the underlying cause of fluid buildup. […] Most often, the cyst flares up when the underlying knee condition worsens, causing excess accumulation of fluid.

• #2 Baker’s Cyst – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK430774/

  Baker’s cysts are encountered most frequently in adults with a history of trauma (e.g., cartilage or meniscus tears, injury to the knee), in association with degenerative/co-existing knee joint disease (e.g., osteoarthritis, rheumatoid arthritis, infectious arthritis, pigmented villonodular synovitis, meniscal tears), or asymptomatically as an incidental finding. […] Baker’s cysts form and can expand as a result of the accumulation and extrusion of synovial fluid that localizes between the semimembranosus and medial head of the gastrocnemius. In some instances, normal anatomic variants entail physiologic capsular openings or defects in the posterior knee joint capsule that is essentially contiguous with the gastrocnemius-semimembranosus bursa.

• #2 Baker Cyst: Symptoms, Causes & Treatment

  https://my.clevelandclinic.org/health/diseases/15183-bakers-cyst

  Baker cysts develop when something damages your knee joint or the tissues around it and extra fluid drains out of your knee. […] Anything that damages your knee joint can cause swelling and trigger a Baker cyst. The most common causes are different types of knee arthritis and injuries. […] The most common forms of arthritis that cause Baker cysts include: Osteoarthritis, Rheumatoid arthritis, Gout. […] If you experience a knee injury, the damage can cause swelling in your knee that leads to a Baker cyst. Knee injuries that cause Baker cysts include: Repetitive strain injuries (overuse injuries), Meniscus tears, Hyperextensions, Sprains, Dislocations, Bone fractures. […] Injuries that damage your knee ligaments can cause Baker cysts, including: ACL tears, MCL tears, LCL tears, PCL tears.

• #3 Baker’s Cyst Symptoms, Causes & Treatment | Spire Healthcare

  https://www.spirehealthcare.com/conditions/bakers-cyst/

  Bakers cyst is much more common in adults over the age of 40, but they can develop at any age and even in children. Its also more common in women because theyre more likely to develop conditions that are associated with Bakers cyst, including osteoarthritis and rheumatoid arthritis. […] The most common cause of Bakers cyst in adults is osteoarthritis, caused by wear and tear of the joints, and rheumatoid arthritis, caused by the immune system. […] You’re more likely to develop Baker’s cyst if you have an underlying problem with your knee. This is known as a secondary Bakers cyst. […] In some cases, a cyst may develop in a healthy knee. This type is called a primary Bakers cyst and is more common in younger people. […] Bakers cysts are caused when fluid from within the knee joint fills up tissues at the back of the knee causing them to swell. This can happen in a healthy knee but usually occurs if you have an underlying condition that affects your joints or a sports-related injury.

• #3 What Causes Baker’s Cyst? – Wilderman Medical Clinic

  https://drwilderman.com/conditions/sport-and-overuse-injury/bakers-cyst/

  Other knee joint injuries: Any injury that causes inflammation in the knee joint, such as a ligament sprain or strain can lead to the formation of a Bakers cyst. […] Gout: Gout is a type of arthritis that occurs when uric acid crystals build up in the joints, causing inflammation and pain. Gout can also cause a Bakers cyst to form. […] Infection: In rare cases, an infection in the knee joint can cause the formation of a Bakers cyst.

• #3 Baker’s Cyst: Causes, Symptoms, and Treatment

  https://patient.info/bones-joints-muscles/knee-pain-patellofemoral-pain/bakers-cyst

  Arthritis is the most common condition associated with Baker’s cysts. This can include various different types of arthritis, such as osteoarthritis (most common), rheumatoid arthritis, psoriatic arthritis and gout. […] Baker’s cysts may also develop if you have had a tear to the meniscus or to one of the ligaments within the knee, or if you have had an infection within your knee joint.

• #3 Baker’s (Popliteal) Cyst: Symptoms, Causes, and Treatment

  https://www.carehospitals.com/diseases-conditions/bakers-cyst

  Baker’s cyst in the knee joint typically results from an underlying problem within the joint. Some of these conditions can be osteoarthritis or a meniscus tear, which can cause the joint to produce excess fluid and ultimately lead to cyst formation. […] Baker’s cysts can develop due to underlying conditions or injuries affecting the knee joint. The primary causes include: […] Different types of arthritis can result in the formation of a Baker’s cyst. The most common forms are: Osteoarthritis, Rheumatoid arthritis, Gout. […] Common knee injuries that may lead to cyst formation include: Repetitive strain injuries (overuse injuries), Meniscus tears, Hyperextensions, Sprains, Dislocations, Bone fractures. […] Injuries that damage the knee ligaments can also contribute to the formation of Baker’s cysts, such as: ACL (Anterior Cruciate Ligament) tears, MCL (Medial Collateral Ligament) tears, LCL (Lateral Collateral Ligament) tears, PCL (Posterior Cruciate Ligament) tears.

• #3 Baker’s cysts | healthdirect

  https://www.healthdirect.gov.au/bakers-cysts

  A Baker’s cyst, or popliteal cyst, is a fluid-filled lump or swelling behind the knee. It is usually caused by excess fluid that comes from the knee joint. […] Common causes are: injury to the knee, torn cartilage, arthritis especially rheumatoid arthritis and osteoarthritis, infection. […] Baker’s cysts can sometimes develop for no known reason they can sometimes just happen.

• #3 Baker’s Cyst (Popliteal Cyst) – OrthoInfo – AAOS

  https://orthoinfo.aaos.org/en/diseases–conditions/bakers-cyst-popliteal-cyst/

  Baker’s cysts typically result from a problem inside the knee joint, such as osteoarthritis or a meniscus tear. […] In adults, Baker’s cysts usually result from an injury or condition that causes swelling and inflammation inside the knee joint, such as: Osteoarthritis, Rheumatoid arthritis, Meniscus tear, Anterior cruciate ligament (ACL) tear, Other conditions that damage the tissues inside the joint. […] In response to this inflammation, the knee produces excess synovial fluid, which travels behind the knee and accumulates in the popliteal bursa. The bursa then swells and bulges, forming a Baker’s cyst. […] In younger patients, Baker’s cysts often have no known cause.

• #4 Popliteal (Baker’s) Cyst | Lurie Children’s

  https://www.luriechildrens.org/en/specialties-conditions/bakers-cyst/

  A popliteal (Bakers) cyst is swelling of the fluid-filled sac found in the back of your knee. […] In children, Bakers cyst are usually found in kids between 4-7 years old. […] These cysts can form in healthy knees and generally do not bother the child or limit their activity.

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