Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/100681
Type: Artigo de periódico
Title: Primary Leiomyosarcoma Of Bone: Report Of Two Cases In Extragnathic Bones
Author: Amstalden E.M.I.
Barbosa C.S.P.
Gamba R.
Abstract: Primary leiomyosarcoma of extragnathic bone is rare; fewer than 50 cases are found in the literature. We report on two patients, adult men, with tumors located on the long bones (close to the knee joint). Radiographically, the tumors were shown as purely destructive, osteolytic, and infiltrative lesions. The diagnosis was based on light microscopy, including immunohistochemistry and ultrastructural examination. The tumor cells were uniformly positive for vimentin and muscle actin, but not for desmin. In one case, the cells were also positive for α-smooth muscle actin. Electron microscopy showed definitive smooth muscle differentiation, including cytoplasmic filaments with focal densities. Both patients died of pulmonary metastases. Copyright © 1998 by W.B. Saunders Company.
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Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-0032056208&partnerID=40&md5=9f94c8691e21e3360dbd07b882581096
Date Issue: 1998
Appears in Collections:Unicamp - Artigos e Outros Documentos

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