title: Sarcoma complicating therapy with cyclophosphamide.
abstract: A patient is described who developed a poorly differentiated sarcoma after cyclophosphamide was used to treat his rheumatoid arthritis. This case emphasizes the importance ot considering neoplastic disease as a potential hazard associated with the use of immunosuppressive drugs.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000188:drug therapy; D003520:Cyclophosphamide / Q000009:adverse effects* / Q000627:therapeutic use; D006801:Humans; D008297:Male; D008875:Middle Aged; D010997:Pleural Neoplasms / Q000139:chemically induced*; D012509:Sarcoma / Q000139:chemically induced*
chemical_list: D003520:Cyclophosphamide