Outcome following treatment of soft tissue and visceral extraskeletal osteosarcoma in 33 dogs: 2008–2013 |
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| Authors: | D Duffy L E Selmic A R Kendall B E Powers |
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| Institution: | 1. Veterinary Clinical Sciences, Purdue Veterinary Teaching Hospital, West LaFayette, IN, USA;2. Department of Veterinary Clinical Medicine, University of Illinois, Urbana, IL, USA;3. Colorado State University Diagnostic Laboratories, Fort Collins, CO, USA |
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| Abstract: | Extraskeletal osteosarcoma (EOS) is a rare, highly malignant mesenchymal neoplasm arising from viscera or soft tissues characterised by the formation of osteoid in the absence of bone involvement. Owing to the rarity of these neoplasms very little information exists on treatment outcomes. The purpose of this study was to describe the outcome following surgical treatment of non‐mammary and non‐thyroidal soft tissue and visceral EOS in dogs. Thirty‐three dogs were identified; the most common primary tumour site was the spleen. Dogs that had wide or radical tumour excision had longer survival times compared with dogs that had only marginal tumour excision performed median survival time of 90 days (range: 0–458 days) versus median survival time of 13 days (range: 0–20 days)]. The use of surgery should be considered in the management of dogs with non‐mammary and non‐thyroidal soft tissue and visceral EOS. |
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| Keywords: | metastasis oncology pathology small animal surgical oncology |
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