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Birds
Thyroid adenocarcinoma in two parrots
  1. Christina Doukaki1,
  2. Marja J L Kik2,
  3. Richard Ducatelle3,
  4. Hans Cornelissen4 and
  5. Yvonne R A van Zeeland1
  1. 1Division of Zoological Medicine, Department of Clinical Sciences of Companion Animals, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
  2. 2Division of Pathology, Department of Pathobiology, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
  3. 3Department of Pathology, Ghent University, Merelbeke, Belgium
  4. 4Dierenkliniek Broerdijk, Nijmegen, The Netherlands
  1. Correspondence to Christina Doukaki, aldehyde29{at}hotmail.com

Abstract

A Grey parrot and a Yellow-crowned Amazon were presented with severe respiratory distress and weight loss, and collapse and melena, respectively. Despite supportive therapy, both parrots quickly succumbed and died, with no ante-mortem diagnosis made. Postmortem examinations yielded a diagnosis of a follicular and papillary form of thyroid adenocarcinoma. Although thyroid neoplasia has been reported in birds, these two cases are the first described thyroid neoplasia in these parrot species and the first reported papillary form of thyroid adenocarcinoma in birds.

  • Thyroid
  • Neoplasia
  • Psittacine

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