Diagnosis of a vulvar granular cell tumor by fine needle aspiration biopsy. A case report.

Background: Granular cell tumor (GCT) (granular cell "myoblastoma") is an uncommon neoplasm that may mimic carcinoma both clinically and morphologically. Fine needle aspiration diagnosis of vulvar GNT has been described on only one prior occasion.

Case: A 74-year-old, black female presented with a mass in the left labia.