Liposarcoma in animals: Literature review and case report in a domestic pig (Sus scrofa)

Georgina Doria-Torra, Jorge Martínez, Mariano Domingo, Beatriz Vidaña, Marcos Isidoro-Ayza, María Isabel Casanova, Enric Vidal

Research output: Contribution to journalArticleResearchpeer-review

17 Citations (Scopus)


© 2015 The Author(s) Liposarcomas are malignant tumors of adipocytes. The current report describes a liposarcoma in a 2.5-year-old, mixed-breed commercial sow that was detected during meat inspection. On gross examination, a firm, whitish, multinodular, 20 cm ×10 cm mass was observed in the perirenal area along with smaller nodules multifocally scattered within the renal parenchyma. Histological examination revealed an anaplastic sarcoma with clear intracytoplasmic lipidic vacuoles that were positive for Sudan black staining. Most of the cells were also positive for S100 and vimentin immunohistochemistry. Based on these results, a diagnosis of a perirenal liposarcoma was established. To the authors’ knowledge, no previous reports of liposarcomas in pigs have been published. This report also includes a review of the literature published on animal liposarcomas.
Original languageEnglish
Pages (from-to)196-202
JournalJournal of Veterinary Diagnostic Investigation
Publication statusPublished - 1 Jan 2015


  • Adipose tissue
  • Sudan black
  • animal liposarcoma
  • porcine


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