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KMID : 0359620120240040249
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Journal of Korean Knee Society
2012 Volume.24 No. 4 p.249 ~ p.253
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Baker’s Cyst with Intramuscular Extension into Vastus Medialis Muscle
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Kim Tae-Wan
Suh Jeung-Tak
Son Seung-Min
Moon Tae-Yong
Lee In-Sook
Choi Kyung-Un
Kim Jeung-Il
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Abstract
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Baker’s cysts are one of the most common cystic lesions around the knee joint and mainly caused by fluid distension of the gastrocnemius-semimembranous bursa that is situated along the medial side of the popliteal fossa. Typically, a Baker’s cyst extends along the intermuscular planes around the knee joint and may enlarge any direction. However, it is mostly located in the inferomedial or superficial layers of the knee joint and less commonly extends laterally or proximally. Expansion of the cyst tends to respect the intermuscular planes, and Baker’s cysts along the intramuscular route have been rarely reported. Thus, we report a case of Baker’s cyst with intramuscular extension into the vastus medialis muscle.
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KEYWORD
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Baker’s cyst, Knee joint, Intramuscular extension, Vastus medialis muscle
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