GRANULOMATOUS MASTITIS DIAGNOSED AND FOLLOWED UP BY FINE-NEEDLE ASPIRATION CYTOLOGY, AND SUCCESSFULLY TREATED BY CORTICOSTEROID-THERAPY - REPORT OF A CASE

A 36-year-old woman presented to our hospital with a rapidly growing l ump in her left breast. Fine-needle aspiration (FNA) cytology of the m ass revealed many epithelioid cells admired with multinucleated Langha ns-type giant cells, neutrophils, lymphocytes, and stromal cells, lead ing to a diagnosis of granulomatous mastitis, This report describes th e clinical course of this patient in whom granulomatous mastitis was s uccessfully treated with corticosteroid therapy. Special reference is made to the usefulness of FNA cytology in the diagnosis and follow-up of this disease.