Clinical and pathologic characteristics of T-cell lymphoma with a leukemic phase in a raccoon dog (Nyctereutes procyonoides)

A 7.5-year-old raccoon dog (Nyctereutes procyonoides) from the Henry Doorly Zoo (Omaha, Nebraska) presented to the veterinary hospital for lethargy and weight loss. On physical examination, splenomegaly and hepatomegaly were noted on palpation and were confirmed by radiographic evaluation. Radiograp...

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Bibliographic Details
Published in:Journal of veterinary diagnostic investigation 2011-07, Vol.23 (4), p.817-820
Main Authors: Perpiñán, David, Costa, Taiana P., Choi, William W. L., Caponetti, Gabriel, Brodersen, Bruce W., Armstrong, Douglas L.
Format: Article
Language:English
Subjects:
Animals
Animals, Zoo
Lymphoma, T-Cell - diagnosis
Lymphoma, T-Cell - pathology
Lymphoma, T-Cell - veterinary
Male
Raccoon Dogs
Soft Tissue Neoplasms - diagnosis
Soft Tissue Neoplasms - pathology
Soft Tissue Neoplasms - veterinary
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Summary:A 7.5-year-old raccoon dog (Nyctereutes procyonoides) from the Henry Doorly Zoo (Omaha, Nebraska) presented to the veterinary hospital for lethargy and weight loss. On physical examination, splenomegaly and hepatomegaly were noted on palpation and were confirmed by radiographic evaluation. Radiography also demonstrated a mass in the cranial mediastinum. A complete blood cell count revealed marked leukocytosis (115,200 cells/µl), with a predominance of lymphoid cells. The animal was euthanized due to a poor prognosis. Necropsy revealed splenomegaly, hepatomegaly, and a large multiloculated mass in the cranial mediastinum. The histologic and immunohistochemical diagnosis was multicentric T-cell lymphoma with a leukemic phase.
ISSN:1040-6387
1943-4936
DOI:10.1177/1040638711407876