An unusual pleomorphic sarcoma from a hybrid mallard (Anas platyrhynchos) is described. Rhabdomyosarcoma was considered in the original differential diagnoses but rejected due to lack of specific characteristics generally seen in these tumors. The histologic characteristics described are consistent with mammalian sarcomas recorded in the literature as malignant fibrous histiocytoma.
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Journal of Wildlife Diseases
Vol. 23 • No. 2
April 1987
Vol. 23 • No. 2
April 1987
Anatidae
Avian
case report
Duck
oncology
sarcoma