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Pigs
Cutaneous mast cell tumour and renal tubular adenocarcinoma in a Vietnamese potbellied pig
  1. Fred Williams III1,
  2. Kendall Annetti2 and
  3. Dusty Nagy3
  1. 1 Department of Veterinary Pathobiology, University of Missouri, Columbia, Missouri, USA
  2. 2 Department of Veterinary Population Medicine, University of Minnesota System, Minneapolis, Minnesota, USA
  3. 3 University of Missouri, Columbia, Missouri, USA
  1. Correspondence to Dr Kendall Annetti; kannetti{at}umn.edu

Abstract

The occurrence of neoplasia in pigs is relatively rare. Infrequent cases of cutaneous mast cell tumours have been reported, and there have been no reports of renal tubular adenocarcinomas in this species. The current communication describes an 18-year-old Vietnamese potbellied pig with renal and cutaneous mast cell tumours and a renal tubular adenocarcinoma. Grossly, there were fluid-filled cysts in the kidneys and white-tan nodules on the skin and in the renal parenchyma. Histopathology revealed focally extensive masses of round cells in the skin and kidney. Tryptase and c-kit immunohistochemistry confirmed a diagnosis of mast cell tumour in cutaneous tissue. A second renal mass contained a dense cellular mass of erratically arranged tubules lined by layers of cuboidal epithelial cells, consistent with a renal tubular adenocarcinoma. These two types of neoplasia have rarely been reported in the literature alone and have never been reported concurrently in the same animal.

  • pathology
  • mast cell tumor
  • renal tubular adenocarcinoma
  • swine

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Footnotes

  • Contributors All authors have contributed to at least one of the following: conception, design, data acquisition, analysis, and interpretation, drafting the manuscript, critically revised the manuscript for important intellectual content. All authors have given final approval and agree to be accountable for all aspects of the work in ensuring that questions relating to the accuracy or integrity of any part of the work.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Data sharing statement All available data can be obtained by contacting the corresponding author.

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