title: [A case of leiomyosarcoma as a mediastinal tumor excised by bilateral thoracotomy].
abstract: Leiomyosarcoma as a mediastinal tumor is so rare that no more than 6 and 12 cases have so far been reported in and out Japan, respectively. The patient was 74-year-old male. While treated at the outpatient clinic of our university hospital for low back pain, he was referred to our department because of a shadow of the mediastinum on chest roentgenogram. A fist-sized tumor was found located in the posterior mediastinum behind the heart. Since it was difficult to make a preoperative definitive diagnosis, it was excised by bilateral thoracotomy. Histologically, it was compatible with sarcoma and a definitive diagnosis of leiomyosarcoma was made based on electron microscopic findings.
authors.affiliation: Department of Cardiothoracic Surgery, Dokkyo University School of Medicine, Tochigi, Japan.
authors.forename: Y
authors.initials: Y
authors.lastname: Ikeda
authors.forename: K
authors.initials: K
authors.lastname: Sugita
authors.forename: Y
authors.initials: Y
authors.lastname: Yoda
authors.forename: H
authors.initials: H
authors.lastname: Ishihama
authors.forename: S
authors.initials: S
authors.lastname: Nagai
authors.forename: K
authors.initials: K
authors.lastname: Shimada
mesh_terms: D000368:Aged; D006801:Humans; D007890:Leiomyosarcoma / Q000473:pathology / Q000601:surgery*; D008297:Male; D008479:Mediastinal Neoplasms / Q000473:pathology / Q000601:surgery*; D013908:Thoracotomy