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Imaging Diagnosis: Biphasic Synovial Sarcoma in a Dog  

Eom, Ki-Dong (College of Veterinary Medicine, Konkuk University)
Sung, Yun-Sang (College of Veterinary Medicine, Kyungpook National University)
Park, Jong-Im (College of Veterinary Medicine, Konkuk University)
Park, Hee-Myung (College of Veterinary Medicine, Konkuk University)
Jung, Soon-Wuk (College of Veterinary Medicine, Konkuk University)
Kim, Jae-Hoon (College of Veterinary Medicine, Cheju National University)
Publication Information
Journal of Veterinary Clinics / v.24, no.1, 2007 , pp. 26-28 More about this Journal
Abstract
An 11-year-old castrated male, Shih-tzu dog was admitted for progressive weight-bearing lameness and mass on the right hindlimb. Radiography and ultrasonography revealed a large well-marginated multinodular mass with mixed echogenicity. On T1 and T2-weighted magnetic resonance imaging (MRI), the mass has a heterogenous signal intensity similar to or higher than muscle. The masses were extended to the pelvic cavi쇼 through obturator foramen and displaced the rectum dorsally. It was diagnosed as synovial sarcoma which was composed with mesenchymal and epithelial elements on histopathological findings of the multifocal biopsied specimen. MRI was helpful to determine the definitive margin for surgical resection of the mass. The mass was recurred at the 6th month after surgery. On the 10th month, the patient was euthanasiuzed by owner's request.
Keywords
synovial sarcoma; joint tumor; magnetic resonance imaging; dog;
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