Cerebromalacia with epilepsy and cortical blindness in a laboratory Japanese macaque (Macaca fuscata).

Katsuhiko Yoshizawa, Kazuko Nakao, Mayu Habiro, Kazuko Hayashi, Maki Kuwata, Norihisa Uehara, Takashi Yuri, Kae Nakamura, Airo Tsubura

研究成果: Contribution to journalArticle査読

2 被引用数 (Scopus)

抄録

The authors performed a pathological examination of a 5-year-old female laboratory Japanese monkey who developed cortical blindness and epileptic seizures. Generalized, tonic-clonic seizures started to occur during behavioral training to get the animal to enter a carrying cage for future psychological experiments. Blindness was suspected because of a lack of approaching behavior toward foods such as fruits. Although the monkey was extensively treated with anticonvulsants, the clinical signs did not improve. An increased serum creatine phosphokinase (CPK) level and bilateral occipital brain atrophy were detected. Histopathologically, a severe degree of cerebromalacia was detected bilaterally in the occipital lobe, and necrosis and gliosis were seen mainly in the temporal lobe. Focal inflammation was found in the meninges. No other changes were observed in other nervous tissues or organs, and no signs of a parasitic or viral infection were found in the systemic organs. Spontaneously occurring lesions in the central nervous system have been rarely reported in laboratory monkeys. In the present case, the cause of cerebromalacia could not be confirmed, but the relationship between symptoms such as abnormal vision and the presence of brain lesions was distinct. The authors believe that this case is a valuable historical control case for the laboratory Japanese macaque.

本文言語英語
ページ(範囲)1058-1063
ページ数6
ジャーナルToxicologic pathology
38
7
DOI
出版ステータス出版済み - 12 2010
外部発表はい

All Science Journal Classification (ASJC) codes

  • 病理学および法医学
  • 分子生物学
  • 毒物学
  • 細胞生物学

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