Articles | Volume 5, issue 1
https://doi.org/10.5194/pb-5-7-2018
https://doi.org/10.5194/pb-5-7-2018
Short communication
 | 
05 Apr 2018
Short communication |  | 05 Apr 2018

Spontaneous meningioma in a pig-tailed macaque (Macaca nemestrina)

Roland Plesker, Martina Bleyer, and Kerstin Mätz-Rensing

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Latest update: 26 Feb 2024
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Short summary
We present a spontaneous tumor of the meninges (meningioma) in a female pig-tailed macaque (Macaca nemestrina) more than 24 years old. Clinically, the monkey displayed slow, weak, and insecure movements and poor vision. A tumorous mass was present at the floor of the cranial cavity. It compressed adjacent parts of the brain, infiltrated surrounding bones, and expanded into the throat. Microscopically, the tumor showed both meningothelial and microcystic parts.