RT Journal Article SR Electronic T1 De novo uterine sarcoma with good response to neo-adjuvant chemotherapy JF International Journal of Gynecologic Cancer JO Int J Gynecol Cancer FD BMJ Publishing Group Ltd SP 364 OP 367 DO 10.1136/ijgc-00009577-200305000-00017 VO 13 IS 3 A1 F. NUMA A1 K. UMAYAHARA A1 H. OGATA A1 S. NAWATA A1 Y. SAKAGUCHI A1 T. EMOTO A1 K. KAWASAKI A1 H. HIRAKAWA A1 M. SASE A1 A. OGA A1 H. KATO YR 2003 UL http://ijgc.bmj.com/content/13/3/364.abstract AB We report here the extremely rare case of a 28-year-old woman with advanced stage uterine sarcoma arising soon after a cesarean section. She underwent an abdominal cesarean section because of a breech presentation. At the time of the procedure, there were no abnormal findings such as leiomyoma of the uterus in the abdominal cavity. One year later, she was referred to our hospital because of a large abdominal tumor. Transabdominal power Doppler ultrasonography and magnetic resonance imaging (MRI) showed a large hypervascular tumor in the abdominal cavity. Her serum levels, for the two tumor markers carbohydrate antigen CA125 and LDH, were elevated, at 219 U/ml (< 35 U/ml) and 862 IU/l (115 U/ml−217 U/ml), respectively. On the basis of a diagnosis of malignant tumor of gynecological origin, exploratory laparotomy was performed, and through biopsy, the tumor was found to be advanced undifferentiated uterine sarcoma. She exhibited a good response to neoadjuvant chemotherapy consisting of cisplatin, epirubicin, and dimethyltriazenoimidazole carboxamide (DTIC) every 28 days, which was successfully followed by a hysterectomy.