Tumors of the peripheral nerves and so-called "ganglia" of the peroneal nerve.
D003560:Cysts; D005724:Ganglia; D006801:Humans; D009369:Neoplasms; D009442:Neurilemmoma; D010524:Peripheral Nervous System Neoplasms; D010543:Peroneal Nerve; D012585:Sciatica
CYSTS; NEURILEMMOMA; PERIPHERAL NERVE NEOPLASMS; SCIATICA