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On dissection of a 60-year-old adult male cadaver, a high division of the sciatic nerve was observed on the right side along with an accessory slip of the piriformis. In this case, the common peroneal nerve pierced through and the tibial nerve passed below the accessory slip of the piriformis. Additionally, there was an unusual finding in which the common peroneal nerve was found to innervate the gluteus maximus. This finding is of academic interest and clinical significance as this variation may contribute to clinical conditions such as piriformis syndrome and foot drop with injury to the gluteal region.
Keywords: Sciatica, Common peroneal nerve, Gluteus maximus, Inferior gluteal nerve, variations