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Ciência Rural

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SILVA, Elisângela Olegário da et al. Hemangiopericytoma in a female dog with direct invasion of abdominal cavity and pulmonary metastasis. Cienc. Rural [online]. 2014, vol.44, n.2, pp.358-361. ISSN 0103-8478.

An intact adult female Poodle dog was presented with a history of an increase in volume in the left and right mammary inguinal glands. The histopathological examination revealed a proliferation of spindle cells arranged in bundles with concentric arrangements surrounding blood vessels, occasionally collapsed. Three weeks after the surgery, the animal presented a recurrence of the tumor that extended from the left inguinal mammary gland to the vulva. Necropsy revealed direct invasion of the abdominal cavity by the tumor and pulmonary metastasis. The definitive diagnosis of hemangiopericytoma was made by histopathological and immunohistochemical examination. Pulmonary metastasis of CHP (canine hemangiopericytoma) is rare and there is no previous report of direct invasion to the abdominal cavity as observed in the present case.

Keywords : perivascular wall tumors; metastasis; lung; abdominal cavity; dog.

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