Cutaneous myxosarcoma in a Syrian hamster (Mesocricetus auratus)
Resumo
The pathological findings in a 2-years-old Syrian hamster (Mesocricetus auratus) with a cutaneous myxosarcoma are described. Grossly, there was a large cutaneous mass in the right cervical region. Microscopical evaluation revealed a myxosarcoma characterized by pleomorphic, fusiform cells loosely arranged, randomly distributed, and presenting a moderate amount of basophilic amorphous stroma. There were hemorrhagic areas within the tumor. The basophilic amorphous stroma was positive to Alcian blue confirming the presence of a mucopolysaccharide matrix. Immunohistochemically, the neoplastic cells expressed vimentin, and were negative for cytokeratin or glial fibrillary acidic protein (GFAP).
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PDFDOI: http://dx.doi.org/10.5433/1679-0359.2011v32n3p1145
This work is licensed under a Creative Commons Attribution 3.0 License.
Semina: Ciências Agrárias
Londrina - PR
ISSN 1676-546X
E-ISSN 1679-0359