A CASE OF PRIMARY MALIGNANT LYMPHOMA OF THE BREAST PREOPERATIVELY DIAGNOSED BY ASPIRATION BIOPSY CYTOLOGY

Primary malignant lymphoma of the breast is rare, and preoperative correct diagnosis is difficult to make. A case of primaly malignant lymphoma of the breast which was preoperatively detected by aspiration biopsy cytology is reported referring the literature.A 57-year-old woman was seen at the hospital because of an elastic hard and smooth tumor, 45×45 mm in size, the right breast. One right axillary lymphnode 20×15 mm was also palpable. The tumor was diagnosed as malignant lymphoma by aspiration biopsy cytology, and a standard radical mastectomy was performed. Histological diangosis was malignant lymphoma, diffuse medium cell type in LSG classification. Staging according to Ann-Arbor's classification was IIE. Eight courses of adjuvant chemotherapy (CHOP) were carried out postoperatively using human granulocyte colony-stimulating factor (G-CSF) due to granulocytopenia. No evidence of recurrence has been observed for nine months following the operation.