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Primary Splenic Leiomyosarcoma With Metastasis in a Rhesus Monkey (Macaca mulatta)
1Office of Research Services, Division of Veterinary Resources, National Institutes of Health, Bethesda, Maryland, USA.
Veterinary Medicine and Science
|April 24, 2025
Abstract
None:
Primary mesenchymal tumours of the spleen in non-human primates are exceedingly rare. We report on a 13-year-old female rhesus monkey who had an enlarged liver, spleen and multiple lung masses. Macroscopic, microscopic and immunohistochemical examinations revealed a splenic leiomyosarcoma with widespread metastasis. This is the first report of a splenic leiomyosarcoma in a non-human primate.
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