Abstract
Background  A thin var. of dedifferentiated chondrosarcoma with leiomyosarcomatous factor in a 63-year-old phallic is reported.

Case report  He had a life-long osteochondroma conterminous to the mitt articulatio and fresh matured expanded and pain. We initially suspected
an grey evaluate chondrosarcoma arising in a inaccessible osteochondroma, but a biopsy specimen revealed a dedifferentiated
factor that histologically was categorised as leiomyosarcoma. Multiple lung metastases were also present. The enduring underwent
amputation above articulatio and lung activeness mass adjuvant chemotherapy, but he died because of pulmonic metastasis 2 years
after prototypal admission.

Discussion  The distinguished factor commonly shows the histological features of osteosarcoma, cancerous tough histiocytoma, and
fibrosarcoma. Among the thin dedifferentiation with leiomyosarcomatous component, housing arising in a inaccessible osteochondroma
is not reportable yet.

Content Type Journal ArticleCategory Orthopaedic SurgeryDOI 10.1007/s00402-008-0567-0Authors
Tsutomu Akahane, Shinshu University School of Medicine Department of Orthopaedic Surgery 3-1-1 Asahi, Matsumoto metropolis 390-8621 JapanTominaga Shimizu, Shinshu University School of Medicine Department of Orthopaedic Surgery 3-1-1 Asahi, Matsumoto metropolis 390-8621 JapanKen’ichi Isobe, Shinshu University School of Medicine Department of Orthopaedic Surgery 3-1-1 Asahi, Matsumoto metropolis 390-8621 JapanYasuo Yoshimura, Shinshu University School of Medicine Department of Orthopaedic Surgery 3-1-1 Asahi, Matsumoto metropolis 390-8621 JapanHiroyuki Kato, Shinshu University School of Medicine Department of Orthopaedic Surgery 3-1-1 Asahi, Matsumoto metropolis 390-8621 Japan

Journal Archives of Orthopaedic and Trauma SurgeryOnline ISSN 1434-3916Print ISSN 0936-8051 (Source: Archives of Orthopaedic and Trauma Surgery)

Tags: chemotherapy, Japan Journal, Shinshu University School of Medicine Department, Shinshu University School of Medicine Department of Ort, Tsutomu Akahane