Mediastinal teratoma in a free-ranging American black bear (ursus Americanus)

Brandon A. Munk; J. Chris Turner; Michael K Keel

doi:10.1638/2013-0057.1

Mediastinal teratoma in a free-ranging American black bear (ursus Americanus)

Brandon A. Munk, J. Chris Turner, Michael K Keel

Pathology, Microbiology and Immunology

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

A 2.75-yr-old female American black bear (Ursus americanus) was found emaciated and unable to rise. It was euthanized due to the perceived poor prognosis. An approximately 18 × 8 × 10-cm, multiloculated, well-demarcated mass that extended from the bifurcation of the trachea, laterally displacing the lung lobes and caudally displacing the heart. The mass contained fibrous connective tissue, cartilage, bone, nervous tissue, smooth muscle, and a variety of epithelial structures. A mediastinal teratoma was diagnosed based on the microscopic features of the neoplasm.

Original language	English (US)
Pages (from-to)	1120-1122
Number of pages	3
Journal	Journal of Zoo and Wildlife Medicine
Volume	44
Issue number	4
DOIs	https://doi.org/10.1638/2013-0057.1
State	Published - Dec 2013

Keywords

Black bear
neoplasia
teratoma
Ursus

ASJC Scopus subject areas

Animal Science and Zoology
veterinary(all)

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10.1638/2013-0057.1

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abstract = "A 2.75-yr-old female American black bear (Ursus americanus) was found emaciated and unable to rise. It was euthanized due to the perceived poor prognosis. An approximately 18 × 8 × 10-cm, multiloculated, well-demarcated mass that extended from the bifurcation of the trachea, laterally displacing the lung lobes and caudally displacing the heart. The mass contained fibrous connective tissue, cartilage, bone, nervous tissue, smooth muscle, and a variety of epithelial structures. A mediastinal teratoma was diagnosed based on the microscopic features of the neoplasm.",

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