A 50 year old woman with a 10-year history of systemic lupus erythematosus (SLE) and intermittent low-dose cyclophosphamide therapy developed a palpable mass at the periphery of her left breast. Ultrasound guided core biopsy revealed a spindle cell neoplasm characterized on final pathology as a low grade leiomyosarcoma.
View details for DOI 10.1186/1757-1626-1-301
View details for PubMedID 18992149
View details for PubMedCentralID PMC2590612