UROPYGIAL GLAND SQUAMOUS CELL CARCINOMA IN CHINSTRAP (PYGOSCELIS ANTARCTICUS) AND GENTOO (PYGOSCELIS PAPUA) PENGUINS AT THE WILDLIFE CONSERVATION SOCIETY'S CENTRAL PARK ZOO

Uropygial, or preen, glands are found in a variety of avian species including penguins. These glands have a multitude of functions and can develop a variety of conditions including impaction, rupture, adenitis, squamous metaplasia, and neoplasia of various types, with squamous cell carcinoma the mos...

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Bibliographic Details
Published in:Journal of zoo and wildlife medicine 2015-03, Vol.46 (1), p.113-119
Main Authors: Rettenmund, Christy L, Newton, Alisa L, Calle, Paul P
Format: Article
Language:English
Subjects:
Animals
Animals, Zoo
Bird Diseases - diagnosis
Bird Diseases - pathology
BRIEF COMMUNICATIONS
Carcinoma, Squamous Cell - diagnosis
Carcinoma, Squamous Cell - pathology
Carcinoma, Squamous Cell - veterinary
Neoplasia
New York City
penguin
Pygoscelis antarcticus
Pygoscelis papua
Skin Neoplasms - diagnosis
Skin Neoplasms - pathology
Skin Neoplasms - veterinary
Spheniscidae
squamous cell carcinoma
uropygial gland
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Summary:Uropygial, or preen, glands are found in a variety of avian species including penguins. These glands have a multitude of functions and can develop a variety of conditions including impaction, rupture, adenitis, squamous metaplasia, and neoplasia of various types, with squamous cell carcinoma the most commonly reported. A case series of uropygial gland squamous cell carcinoma in five penguins at the Wildlife Conservation Society's Central Park Zoo is described. Most birds were aged (>10 yr) with a history of chronic, recurrent uropygial gland problems including impaction, rupture, abscess formation, or a combination of conditions. Before and after neoplasia diagnosis, these cases were managed conservatively, and palliative care was provided. Because many of these cases were preceded by chronic inflammation, it is possible this inflammation predisposed the uropygial gland to neoplastic transformation, and more aggressive treatment early in the disease process may therefore be warranted.
ISSN:1042-7260
1937-2825
DOI:10.1638/2014-0011R1.1