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Sciatic nerve entrapment in the popliteal fossa: a case report

Author(s): Paval J | Vollala VR | Nayak S

Journal: Neuroanatomy
ISSN 1303-1783

Volume: 4;
Issue: 1;
Start page: 41;
Date: 2005;
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Keywords: sciatic nerve | entrapment | popliteal fossa

During the routine dissection we found an anomalous muscle in the popliteal fossa bilaterally in a male cadaver. This muscle had tendinous origin from the lateral and posterior intermuscular septum of the thigh as separate slips. These two slips united in front of the sciatic nerve and formed a narrow muscular belly which enclosed the sciatic nerve and the tibial nerve in its downward course and then inserted in to both the heads of gastrocnemius muscle. Sciatic entrapment in the popliteal region is uncommon and in this report we discuss the possible nerve entrapment due to the aforesaid kind of muscle variants which may confuse the surgeons.

Tango Jona
Tangokurs Rapperswil-Jona

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