结肠小袋纤毛虫(Balantid-ium Cali)是世界范围较少见的一种动物源性疾病。1857年Mainsten在两名痢疾患者的粪便中,首先发现了一种纤毛虫,定名为Parame Cium Coli。1862年Stein将该种归于小袋属,(Balantidium),更名为结肠小袋纤毛虫。本病主要在热带及亚热带地区,我国也有此病发生,但报告极少。结肠小袋纤毛虫寄生于人体结肠内,侵犯宿主肠组织,引起 Balantid-ium Cali is a rare animal-borne disease worldwide. In 1857, Mainsten first found a ciliate in the faeces of two patients with dysentery, named Parame Cium Coli. In 1862 Stein attributed this species to the genus, (Balantidium), renamed the colon pouch ciliates. The disease is mainly in the tropical and subtropical regions, China also has the disease, but the report is minimal. Colonic pouch ciliates parasites in the human colon, invasion of the host intestinal tissue, causing