Outcome following treatment of soft tissue and visceral extraskeletal osteosarcoma in 33 dogs: 2008–2013

D. Duffy, L. E. Selmic, A. R. Kendall, B. E. Powers

Research output: Contribution to journalArticlepeer-review

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.

Original languageEnglish (US)
Pages (from-to)46-54
Number of pages9
JournalVeterinary and comparative oncology
Volume15
Issue number1
DOIs
StatePublished - Mar 1 2017

Keywords

  • metastasis
  • oncology
  • pathology
  • small animal
  • surgical oncology

ASJC Scopus subject areas

  • General Veterinary

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