A case of schwannoma on the nasal septum.

We present a case of nasal septal schwannoma. The patient was a 62-year-old female complaining of bilateral nasal obstruction. Anterior rhinoscopy revealed a smooth-surfaced mass arising from the nasal septum in both nasal cavities. Computed tomography scan showed a mass with enhancement in the two nasal cavities and the ethmoid sinuses, and this mass extended to the skull base. Lateral rhinotomy was performed under general anesthesia. The tumor arose from the nasal septum, occupied both nasal cavities, and extended to the anterior ethmoid sinuses. It was encapsulated and could be totally removed en bloc. Pathological examination of the excised specimen showed that it was an Antoni type A schwannoma. The tumor cells were immunoreactive for S-100 protein. The patient is doing well with no evidence of recurrence.