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Clinical Problem Solving: Radiology
April 2007

Radiology Quiz Case 1: Diagnosis

Author Affiliations
 

PATRICIA A.HUDGINSMD

Arch Otolaryngol Head Neck Surg. 2007;133(4):409-410. doi:10.1001/archotol.133.4.409

Schwannomas are nerve sheath tumors that originate from Schwann cells. Approximately 25% to 45% of all reported cases occur in the head and neck region, with only a small percentage involving the nose and paranasal sinuses.1 Schwannomas of the nose and paranasal sinuses arise from intranasal nerves, ophthalmic and maxillary branches of the trigeminal nerve, and branches of the autonomic nervous system. There is no sex or racial predilection, and the tumor commonly presents in the second and fourth decades of life.24

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