Resumo

LASTRA, Jesús et al. Fibrohistiocitoma Maligno en pared abdominal reporte de un caso. Rev. venez. oncol. [online]. 2011, vol.23, n.3, pp.196-198. ISSN 0798-0582.

The malignant fibrohystiocytoma is the most frequent soft tissue sarcoma in the adult age, in an age group mayor of 50 years old, and affect principal to the man. These mesenquimal tumors with distinct morphological varieties need an immunohistochemistry analysis for his differential diagnostic, principal with the sarcomatoide carcinoma, the miofibroblastic inflammatory tumor and the leiomiosarcomas. Macroscopically there are bulky neoplasm with multiples necrosis areas in the superficial incision, of the microscopically point of view, the tumor show a no order proliferation of the fusocellular cells, with a esteliform patron and or the presence of multinucleate cells with atypical mitosis and a stroma, with show a big quantities of collagen and a variety numbers of inflammatory cells mononucleotic and spumoni hystiocyts. The diagnostic is realized in base to his morphologic and the immunohistochemistry. We present the case of a male patient 54 years old and the form of his management.

Palavras-chave : Cancer; sarcoma; tumor; fibrohystiocytoma; immunohistochemistry.