1Department of Surgery, Samsung Medical Center, College of Medicine Sung Kyun Kwan University, Seoul, Korea. 2Department of Pathology, Samsung Medical Center, College of Medicine Sung Kyun Kwan University, Seoul, Korea.
ABSTRACT
We describe a 42-year-old woman with a primary leiomyosarcoma of the breast. It is an extremely rare tumor, with only about 16 cases reported. Usually it is presented with palpable mass of benign characters. The origin of the tumor is controversal and the differential diagnosis includes other sarcomas and metastatic ones. The uncertain behavior of it makes the management difficult but conservative surgery is available in the case of anatomically suitable. Axillary lymphatic dissection is not needed and the roles of the chemotherapy and radiotherapy are not clear. Some studies revealed a local invasion and degree of cellular atypia as some prognostic predictive value.
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