BREAST MASS DUE TO ALVEOLAR SOFT PART SARCOMA OF THE PECTORIS MAJOR MUSCLE

We present a case of alveolar soft parr sarcoma (ASPS) of the pectoris major muscle in a 20-year-old female. She felt a mass in her right !i de breast for 7 years. The lesion was almost the same size with occasi onal throbbing pain and tenderness. Fine needle aspiration of the tumo r was performed in the OPD and suspicious abnormal cells were reported . Ultrasound (US) examination of the breast revealed a large heterogen eously hypoechoic lesion contiguous to the pectoris major muscle. Prof ound color flow signals were evident in both central and peripheral re gions of the mass. Spectral Doppler US showed high flow velocity in th e tumor vessels with resistivity index of 0.73. Surgical intervention was performed and the histologic examination yielded a diagnosis of AS PS. Copyright (C) 1997 Elsevier Science Ireland Ltd.