Ingluvial Squamous Cell Carcinoma in a Geriatric Cockatiel (Nymphicus hollandicus)

A 20-year-old male cockatiel (Nymphicus hollandicus) exhibiting dysphagia, regurgitation, and lethargy was diagnosed with invasive squamous cell carcinoma involving the crop. The neoplastic mass was closely associated with the right vagal nerve and was obstructing 80% of the crop lumen. Dysphagia ap...

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Bibliographic Details
Published in:	Journal of avian medicine and surgery Vol. 19; no. 3; pp. 234 - 239
Main Authors:	Malka, Shachar, Keirstead, Natalie D, Gancz, Ady Y, Taylor, W. Michael, Smith, Dale A
Format:	Journal Article
Language:	English
Published:	Association of Avian Veterinarians 01-09-2005
Subjects:	Atherosclerosis avian Aviary birds Birds CASE REPORTS cockatiel crop Digestive tract Esophagus Neoplasia Nerves Nervous system diseases Nymphicus hollandicus Squamous cell carcinoma Trachea
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Summary:	A 20-year-old male cockatiel (Nymphicus hollandicus) exhibiting dysphagia, regurgitation, and lethargy was diagnosed with invasive squamous cell carcinoma involving the crop. The neoplastic mass was closely associated with the right vagal nerve and was obstructing 80% of the crop lumen. Dysphagia appeared to be linked to nerve dysfunction resulting in ileus of the upper digestive tract. This is the first published report of squamous cell carcinoma in the crop of a psittacine species resulting in nerve dysfunction and possible vagal indigestion.
ISSN:	1082-6742 1938-2871
DOI:	10.1647/2004-018.1