Anatomical factors on forming the popliteal cyst
SHU Min, DING Jing, XU Yong-Qing, SHU Ti-Liang, LIU Zong-Liang, WU Jiang
Chinese Journal of Clinical Anatomy ›› 2011, Vol. 29 ›› Issue (5) : 506-507.
Anatomical factors on forming the popliteal cyst
Objective To explore the possible anatomic factors on forming the popliteal cysts. Methods 30 adult knee-specimens were dissected and measured.(1)To observe the occurrence of the gastrocnemius semimembranosus bursa (GSB), and explore the relationship of GSB and knee articular cavity; (2) To dissect and observe the channel between GSB and knee articular cavity; (3)To inject physiological saline into joint, and observe whether physiological saline reached to GSB as the result of articular cavity pressure rising. Results (1) GSB was observed in all specimens, and 40% (12 specimens) GSB communicated with knee articular cavity by a channel.(2) Joint fluid appered in GSB following the increased articular cavity pressure. Conclusions The gastrocnemius semimembranosus bursa is anatomical basis for forming popliteal cyst.
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