Disseminated Lymphoma of Presumptive T-cell Origin in a Great Horned Owl (Bubo virginianus)

Shachar Malka; Torrie Crabbs; Elizabeth B. Mitchell; Ashley Zehnder; Michael S. Kent; Linda J. Lowenstine; Michelle G. Hawkins

doi:10.1647/2007-048.1

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Shachar Malka,^* Torrie Crabbs,^* Elizabeth B. Mitchell,^* Ashley Zehnder,^* Michael S. Kent,^* Linda J. Lowenstine,^* Michelle G. Hawkins^*

^*From the Veterinary Medical Teaching Hospital (Malka, Crabbs, Mitchell, Zehnder) and Department of Medicine and Epidemiology (Hawkins), Department of Surgical and Radiological Sciences (Kent), and Department of Pathology, Microbiology, and Immunology (Lowenstine), School of Veterinary Medicine, University of California, Davis, One Shield Ave, Davis, CA 95616, USA. Present address (Malka): Avian & Exotic Medicine Service, VCA-SAMG, 4990 Manzanita Avenue, Carmichael, CA 95608, USA.

Abstract

A geriatric male great horned owl (Bubo virginianus) that was a resident at a raptor center was presented for examination because of stridor and weight loss. Results of physical examination, diagnostic imaging, and biopsy were consistent with disseminated lymphoma involving the oropharynx, neck region (including thyroid and parathyroid glands), keel, spleen, and liver. Attempts to treat the owl with chlorambucil failed, and the owl was euthanatized 5 months later. Neoplastic cells from this owl were immunoreactive to CD-3 antibody, suggesting the lymphoma was of T-cell origin.

Citation Download Citation

Shachar Malka, Torrie Crabbs, Elizabeth B. Mitchell, Ashley Zehnder, Michael S. Kent, Linda J. Lowenstine, and Michelle G. Hawkins "Disseminated Lymphoma of Presumptive T-cell Origin in a Great Horned Owl (Bubo virginianus)," Journal of Avian Medicine and Surgery 22(3), 226-233, (1 September 2008). https://doi.org/10.1647/2007-048.1

Published: 1 September 2008

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