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Extraskeletal osteosarcoma of the thorax in a goat: case report

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Author(s): Braun Ueli | Schwarzwald Colin | Forster Eva | Becker-Birck Mareike | Borel Nicole | Ohlerth Stefanie

Journal: BMC Veterinary Research
ISSN 1746-6148

Volume: 7;
Issue: 1;
Start page: 55;
Date: 2011;
Original page

ABSTRACT
Abstract Background This report describes the results of clinical, ultrasonographic and computed tomographic examination of a 16-year-old goat with extraskeletal osteosarcoma of the thorax. Case presentation The lead clinical signs were abnormal condition and demeanour, fever, tachycardia, tachypnoea, dyspnoea and dilated jugular veins. Ultrasonographic examination of the thorax revealed a precardial mass, measuring 16.4 by 11.4 by 14.2 cm. Computed tomographic examination showed dorsocaudal displacement of the trachea, heart and lungs to the right. A tentative diagnosis of mediastinal or pleural neoplasia was made, and the goat was euthanased and necropsied. A definitive diagnosis was based on histological examination of the mass. Conclusions To our knowledge, this case report is the first description of extraskeletal osteosarcoma of the thorax in goats and serves to broaden the diagnostic spectrum of thoracic diseases in this species. Extraskeletal osteosarcoma should be part of the differential diagnosis in goats with thoracic tumours.
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