Disseminated histiocytic sarcoma in a squirrel monkey (Saimiri sciureus)
Masashi Sakurai1, Yukihiro Yamamoto1, Masae Tamaru2
1Department of Veterinary Pathology, Joint Faculty of Veterinary Medicine, Yamaguchi University, Yoshida, Yamaguchi, Japan.
Abstract:
A 14-years-old squirrel monkey was euthanized due to weakness. Histopathological examination revealed multifocal growth of oval cells with severe atypia in the liver, spleen, and bone marrow. The neoplastic cells were positive for histiocytic markers (Iba1, HLA-DR, CD204). This is the fourth case of histiocytic sarcoma in non-human primates.
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