Schwannoma of Common Peroneal Nerve in the Knee- A Case Report

Abstract

Schwannomas are rare benign neurogenic tumors of peripheral nerves arising from neural sheath A 42-year-old male patient presented with the complaint of gradually increasing swelling in the posterolateral aspect of right knee for last 15-20 years. Initially it was painless but for last 10 years, it is painful especially after touching or pressing it and also on flexion and extension movements of the knee. For last 10-15 days, the pain is unbearable. His MRI revealed it to be Schwannoma of common Peroneal nerve. He was operated under spinal anesthesia .Enucleation of the tumor was done. Continuity of common peroneal nerve was ensured. After surgical intervention, the patient’s complaints completely disappeared in the post-operative period. Schwannoma of common peroneal nerve is a very rare tumor of knee and must be kept in differential diagnosis of tumor in the posterolateral aspect of knee joint and in cases of pain in knee.