Abdominal cysticercosis in a rhesus macaque (Macaca mulatta)
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Updated: Aug 29, 2026

Laparoscopic Technique for Serial Collection of Liver and Mesenteric Lymph Nodes in Macaques
Published on: May 2, 2017
Theodore R Hobbs1, Lois M A Colgin, Gwendalyn M Maginnis
1Oregon National Primate Research Center, 505 NW 185th Avenue, Beaverton, Oregon 97006, USA.
Abstract:
A mid-abdominal mass was discovered during routine physical examination of a rhesus macaque (Macaca mulatta). Further diagnostics and exploratory laparotomy were performed, revealing a fluid-filled cyst attached to the caudal free margin of the greater omentum. Formation and pulsatile movement of white-colored circumferential bands within the wall of the cyst were observed during surgery. The cyst was removed and later was dissected. The discovery of a single invaginated scolex identified the cyst as a cysticercus. The location and characteristics of the cysticercus were consistent with the larval form of Taenia hydatigena.
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