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Synchronous bilateral testicular neoplasms in a black-capped capuchin (Sapajus apella)
  1. Garrett Fraess1,
  2. Ryan Dickinson2,
  3. Brandy Kragness1 and
  4. Miranda Sadar3
  1. 1Department of Small Animal Clinical Sciences, Western College of Veterinary Medicine, Saskatoon, Saskatchewan, Canada
  2. 2Department of Veterinary Pathology, Western College of Veterinary Medicine, Saskatoon, Saskatchewan, Canada
  3. 3Clinical Sciences, Colorado State University, Fort Collins, Colorado, USA
  1. Correspondence to Dr Miranda Sadar; miranda.sadar{at}gmail.com

Abstract

A 31-year-old, 5.01 kg, intact male black-capped capuchin (Sapajus apella) was presented for examination after zookeepers noted an enlarged right testicle. Fine-needle aspiration with cytological evaluation identified a seminoma of the right testis. Castration was elected for this non-breeding male, and both testicles were submitted for histopathology. Histopathology confirmed the presence of a seminoma in the right testicle and, incidentally, a mass in the left testis consistent with an interstitial cell tumour was also diagnosed. This report describes the first case of seminoma or interstitial cell neoplasia in a black-capped capuchin, as well as the first case of a non-human primate with synchronous, bilateral testicular neoplasms.

  • non-human primate
  • seminoma
  • interstitial cell tumour
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Footnotes

  • Contributors All authors made a significant contribution to the manuscript that has been submitted.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

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

  • Data availability statement No additional data are available.

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