First Case of Echinococcus multilocularis Infection in a Zoo-Housed Flying Squirrel (Pteromys volans orii)

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概要

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• A 33 month-old male flying squirrel kept in a zoo developed progressive dyspnea and died. Macroscopically, the liver and lung were enlarged with numerous nodular vesicles. Histologically, these organs were replaced by numerous collapsed vesicles demarcated by fibrous tissues. The cysts lined by a cellular, germinal layer contained numerous brood capsules with abundant production of well-developed protoscolices. Protoscolices were about 80–100 μm in diameter, and had hooks being visible as refractive structures. This zoo locates in the east of Hokkaido where is an endemic area of Echinococcus multilocularis infection. From epidemiology and pathological findings, this animal was diagnosed as E.multilocularis infection. This report describes the pathology of the first case of E. multilocularis infection in a flying squirrel.

• 公益社団法人 日本獣医学会の論文

著者

• SHIMURA Ryoji

  Kushiro City Zoo, Kushiro 085–0201, Japan

• FURUOKA Hidefumi

  Division of Pathobiological Science, Department of Basic Veterinary Medicine Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080–8555, Japan

• OIKAWA Eri

  Division of Pathobiological Science, Department of Basic Veterinary Medicine Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080–8555, Japan

• NISHIMURA Maki

  National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080–8555, Japan

関連論文

• Physical Body Parameters of Red-Crowned Cranes Grus japonensis by Sex and Life Stage in Eastern Hokkaido, Japan
• Intestinal Undifferentiated Carcinoma in a Red-Crowned Crane (Grus japonensis)
• Vertebral Formula in Red-Crowned Crane (Grus japonensis) and Hooded Crane (Grus monacha)
• First Case of Echinococcus multilocularis Infection in a Zoo-Housed Flying Squirrel (Pteromys volans orii)

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