Schwannoma of the nasal cavity.

SCHWANNOMA, a tumor originating from the cells of the sheath of Schwann of peripheral nerves, is also called neurofibroma, neurilemmoma, and neurinoma. 1 Although Schwannoma has been extensively reported in almost all regions of the body, it occurs only rarely within the nasal cavity and paranasal sinuses. 2-5 The purpose of this paper is to present a case of nasal Schwannoma which simulated a malignant neoplasm. Report of a Case An 18-year-old girl had recurrent epistaxis from the left nasal passage of one year's duration. This usually occurred spontaneously or after blowing her nose. Anterior rhinoscopy revealed a necrotic, bloody, solitary mass in the left middle meatus. It extended over the anterior edge of the middle turbinate, and was in contact with, but not attached to the septum. The results of the remainder of the physical examination and all laboratory studies were within normal limits. X-ray study showed a faint,

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