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Baker cyst

Summary of Baker cyst
A Baker's cyst, also known as a popliteal cyst, is a benign swelling of the semimembranosus or more rarely some other synovial bursa found behind the knee joint. This is not a "true" cyst, as an open communication with the synovial sac is often maintained.



Musculoskeletal system


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Joint disorders
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Musculoskeletal system pathology review

Baker cyst


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High Yield Notes
7 pages

Baker cyst

5 flashcards

USMLE® Step 1 style questions USMLE

1 questions

A 47-year-old man comes to the office because of a 1-week history of right knee pain and limited lower limb movement. His medical history is relevant to previous knee trauma and a recently diagnosed rheumatoid arthritis. The patient currently works as a football coach. Physical examination shows well-circumscribed swelling, tenderness, and increased volume in the posterior region of the right knee and limited 90-degree angle extension/in flexion of his right knee. Additionally, the increased volume in the right knee posterior region disappears with a 45-degree flexion. His temperature is 36.4°C (97.5°F), pulse is 80/min, respirations are 14/min, blood pressure is 110/60 mmHg. Which of the following is the most likely cause of this patient's condition? 

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