Non-invasive quantification of popliteal cyst volumes by three-dimensional ultrasonography |
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Authors: | Ju J H Kang K Y Kim I J Yoon J U Park S-H Kim Ho-Youn Kim H-Y |
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Institution: | Division of Rheumatology, Department of Internal Medicine, Kangnam St Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea |
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Abstract: | SIR, Popliteal cyst (Baker's cyst) arises in the medial aspectof the popliteal fossa and results from fluid distension ofthe gastrocnemius-semimebranosus (GS) bursa, which is locatedbetween the muscles bearing the corresponding names 1]. Thecommunication between the knee joint and the bursa, and thefluid dynamics of the cyst fluid contribute to the genesis ofthe popliteal cyst. Flexion of the knee causes the joint pressureto exceed bursal pressure and the valve-like connection betweenthe joint and the |
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