GAsymptomatic Ulnar Nerve Neurilemmoma Masquerading as a Lipoma

Peripheral nerve tumours are rare, the commonest being the (benign) neurinoma which usually presents with mild symptoms or even no neurological deficit. Here in our case, patient came with mild, diffuse mass and discomfort. The clinical neurological examination was not conclusive. Asymptomatic unexpected neurilemmoma of the ulnar nerve was excised considering it as lipoma. After surgery its nervous origin was confirmed and the histopathological examination confirmed the diagnosis of neurilemmoma. Point to remember is that, even a surface lesion that appears benign, it should be seriously considered peripheral nerve sheath tumours as a possible differential diagnosis.