Median nerve schwannoma

Discussion:

Differential diagnosis of the mass includes schwannoma, neurofibroma, ganglion cyst, malignant tumor, lipoma and xanthoma.

Histopathological examination showed spindle-shaped Schwann cells confirmatory of Schwannoma.

Schwannomas are the most common benign tumors of the neural sheaths of the peripheral nerves. Pain is the most common complaint of schwannomas. Multiple schwannomas may be seen in neurofibromatosis type 1. It is difficult to differentiate schwannoma and neurofibroma on radiological imaging. 

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