Airsac cystadenocarcinomas in cockatoos

S.R. Raidal; P.L. Shearer; R. Butler; D. Monks

doi:10.1111/j.1751-0813.2006.tb12803.x

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Journal article

Peer reviewed

Airsac cystadenocarcinomas in cockatoos

S.R. Raidal, P.L. Shearer, R. Butler and D. Monks

Australian Veterinary Journal, Vol.84(6), pp.213-216

2006

DOI: https://doi.org/10.1111/j.1751-0813.2006.tb12803.x

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Abstract

The clinical signs, radiographic and pathological findings of four histologically similar neoplasms that occurred as unilateral tumours projecting from the left axilla in three galahs (Eolophus roseicapillus) and one sulphur-crested cockatoo (Cacatua galerita) are described. In each case, the main reason for clinical presentation was respiratory distress. All cases were eventually fatal due to airway obstruction with evidence of extensive neoplastic invasion of the lungs, major airways and or humerus in all cases. A diagnosis of airsac cystadenocarcinoma was made in each bird on the basis of gross and histological appearance. The neoplasms were composed of fluid or air-filled sacs of proliferative cuboidal to squamous epithelial cells that stained positively with cytokeratin and negatively with vimentin. This was supported by a thin fibrovascular network although at least some areas in all four birds resembled airsac tissue. In some cases areas of haemorrhage, erythrophagocytosis, haemosiderosis and nodules of haemosiderophage infiltration with acicular cholesterol clefts were present in some parts of the sectioned tissue.

Details

Title: Airsac cystadenocarcinomas in cockatoos
Authors/Creators: S.R. Raidal (Author/Creator) - Charles Sturt University
P.L. Shearer (Author/Creator) - Murdoch University
R. Butler (Author/Creator) - Riseley Veterinary Centre, 789 Canning Highway, Applecross, WA, 6153, Australia.
D. Monks (Author/Creator) - Redcliffe Hospital
Publication Details: Australian Veterinary Journal, Vol.84(6), pp.213-216
Publisher: Wiley-Blackwell
Identifiers: 991005542839607891
Murdoch Affiliation: School of Veterinary and Biomedical Sciences
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration
Citation topics: 3 Agriculture, Environment & Ecology; 3.232 Veterinary Sciences; 3.232.1120 Veterinary Oncology
Web Of Science research areas: Veterinary Sciences
ESI research areas: Plant & Animal Science