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Fine needle aspiration cytology of recurrent ectopic meningioma.

Fine needle aspiration was performed on a recurrent extracranial meningioma in the left pterygomaxillary and temporal fossas in a 39-year-old woman. Cytologic and electron microscopic study of the aspirate and comparison to the previously resected specimen proved the recurrent nature of the lesion. The cytologic and ultrastructural findings in meningiomas are discussed with special consideration of the differential diagnosis in extracranial sites.