Characterization of an Unusual Mesenchymal Tumor in the Proventriculus of a Free-ranging Red-tailed Hawk (Buteo jamaicensis)

Peach Van Wick; Byunghak Kang; Lisa M. Mangus; Ernesto Dominguez-Villegas

doi:10.1647/2018-365

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Peach Van Wick,^* Byunghak Kang,^* Lisa M. Mangus,^* Ernesto Dominguez-Villegas^*

^*From the Wildlife Center of Virginia, 1800 S Delphine Ave, Waynesboro, VA 22980, USA (Van Wick, Dominguez-Villegas); and the Department of Molecular and Comparative Pathobiology, Johns Hopkins University, 700 N Broadway, Suite 811, Baltimore, MD 21205, USA (Kang, Mangus).

Abstract

An adult, female red-tailed hawk (Buteo jamaicensis) was presented for examination after being found unable to fly on a private citizen's property. Further diagnostic testing revealed a vascular, soft tissue mass arising from the serosal surface of the proximal proventriculus. Postmortem histological and immunohistochemical examination of the mass revealed an unusual mesenchymal tumor with features consistent with a leiomyoma or low-grade gastrointestinal stromal tumor.

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Peach Van Wick, Byunghak Kang, Lisa M. Mangus, and Ernesto Dominguez-Villegas "Characterization of an Unusual Mesenchymal Tumor in the Proventriculus of a Free-ranging Red-tailed Hawk (Buteo jamaicensis)," Journal of Avian Medicine and Surgery 33(3), 296-301, (9 September 2019). https://doi.org/10.1647/2018-365

Published: 9 September 2019

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