Primates; journal of primatology · 2013
Intracranial arachnoid cysts in a chimpanzee (Pan troglodytes).
Клинический случайСтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Miyabe-Nishiwaki Takako, Kaneko Takaaki, Sakai Tomoko, Kaneko Akihisa, Watanabe Akino, Watanabe Shohei, Maeda Norihiko, Kumazaki Kiyonori, Suzuki Juri, Fujiwara Reina, Makishima Haruyuki, Nishimura Takeshi, Hayashi Misato, Tomonaga Masaki, Matsuzawa Tetsuro, Mikami Akichika
Аннотация
An intracranial arachnoid cyst was detected in a 32-year-old, 44.6-kg, female chimpanzee at the Primate Research Institute, Kyoto University. Magnetic resonance imaging (MRI) and computed tomography (CT) were performed and the cognitive studies in which she participated were reviewed. MRI revealed that the cyst was present in the chimpanzee's right occipital convexity, and was located in close proximity to the posterior horn of the right lateral ventricle without ventriculomegaly. CT confirmed the presence of the cyst and no apparent signs indicating previous skull fractures were found. The thickness of the mandible was asymmetrical, whereas the temporomandibular joints and dentition were symmetrical. She showed no abnormalities in various cognitive studies since she was 3 years old, except a different behavioural pattern during a recent study, indicating a possible visual field defect. Detailed cognitive studies, long-term observation of her physical condition and follow-up MRI will be continued.