Perineurioma of the Tongue: A Case Report and Review of the Literature

A perineurioma is a rare benign peripheral nerve sheath tumor derived from perineurial cells. Based on clinical and pathologic features, perineuriomas can be classified into two major subtypes: intraneural perineurioma and the more common extraneural perineurioma. Both extraneural and intraneural perineuiomas are extremely rare in the oral cavity, and there have been only 38 reported cases (21 EPNs, 17 IPNs). In the current case, a 20-year-old male presented with a painless left dorsal tongue mass.

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