NERVE ENTRAPMENT BY A FIRMLY WRAPPED BAKER CYST

Baker's cysts as a clinical entity are among the most infrequent cause of peripheral nerve entrapment and usually produce a strong positive pressure within the knee resulting in the rupture of the joint capsule . An unusual case with muscular and sensorial weakness due to compress ion of the peroneal nerve around the fibular head by a Baker cyst is p resented in this article. Clinical and electromyographical findings sh own peroneal nerve entrapments in the popliteal fossa. Peroneal nerve decompression by synevectomy resulted in clinical and electromyographi cal improvement.