Abstract
We present a case of Schwannoma of superficial peroneal nerve that presents as single enlarging mass in anterolateral aspect of right leg. After clinical diagnosis work-up is done with ultrasound, MRI and excision biopsy.
Highlights
Schwannomas are, lobulated, encapsulated tumours that arise from the neurilemmal cells in nerve sheaths [1]
Schwannomas can be found in various parts of the body with the most common site being the head
Microscopic examination smear showed Antoni A area is composed of spindle shaped Schwann cells arranged in interlacing fascicles without any hemorrhage and necrosis (Figure 5(a), Figure 5(b))
Summary
Schwannomas (or neurilemmomas) are, lobulated, encapsulated tumours that arise from the neurilemmal cells in nerve sheaths [1]. They usually arise in peripheral nerves or nerve roots. They may occur singly or in multiple, and have been found in a number of locations. In case of an elongated cystic mass along the peroneal nerve, an intraneural ganglion is a more likely diagnosis [8]. These tumours are composed of different areas composed of different cellular densities. Less cellular areas (Antoni B) are composed of a loose oedematous and mucinous stroma with fibrillar collagen
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