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Published on: February 10, 2023
Primary Myxoid Liposarcoma of the Greater Omentum in a Rhesus Macaque (Macaca mulatta)
Marie-Josee Mf Lemoy1, Gregory W Salyards2, Rebekah I Keesler2
1California National Primate Research Center, University of California, Davis, California, USA. mjlemoy@ucdavis.edu.
Abstract:
We here report a spontaneous case of primary myxoid liposarcoma of the greater omentum with subsequent transperitoneal recurrence. The primary mass was incidentally found during an exploratory laparotomy for a presumed diagnosis of trichobezoar or phytobezoar and was removed surgically. Histopathologic examination of the mass revealed the presence of a myxoid liposarcoma. Eleven months later, recurrence with severe transperitoneal sarcomatosis of the myxoid liposarcoma was noted and confirmed by necropsy and histopathology. A review of the literature revealed that liposarcoma in NHP conforms to the behavior and prognosis of this neoplasm in humans.
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