… In addition to the four types of filariasis that have humans as their definitive host, there are also animal parasitic species. Among them, the dog filaria, Dirofilaria immitis , is widely distributed throughout the world, and its larvae often infect humans and cause pulmonary blood vessel embolization, resulting in a penny-shaped shadow on chest X-rays that can be misdiagnosed as pulmonary tuberculosis or lung cancer. They can also parasitize subcutaneously and, rarely, intraperitoneally or intrauterinely. … *Some of the terminology that refers to "dog heartworm" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
… 以上4種のヒトを固有宿主とするフィラリアのほかに,動物寄生種がある。なかでもイヌシジョウチュウDirofilaria immitisは世界中に広く分布し,しばしばその幼虫がヒトにも感染して肺の血管に栓塞を起こし,胸部X線撮影で肺結核や肺癌と誤診されるような銭形陰影を呈することがある。また皮下や,まれには腹腔内や子宮内にも寄生することがある。… ※「イヌシジョウチュウ(犬糸状虫)」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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