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Title: Intracranial arachnoid cysts in a chimpanzee (Pan troglodytes).
Authors: Miyabe-Nishiwaki, Takako  kyouindb  KAKEN_id
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  kyouindb  KAKEN_id
Mikami, Akichika
Author's alias: 宮部, 貴子
鈴木, 樹理
Keywords: Ape
Brain lesion
Issue Date: 26-Sep-2013
Publisher: Springer Japan
Journal title: Primates
Volume: 55
Issue: 1
Start page: 7
End page: 12
Abstract: 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.
Rights: The final publication is available at Springer via
この論文は著者最終稿です。内容が印刷版と異なることがありますので、引用の際には出版社版をご確認ご利用ください。This is the Accepted Author Manuscript. Please cite only the published version.
DOI(Published Version): 10.1007/s10329-013-0384-0
PubMed ID: 24068629
Appears in Collections:Journal Articles

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