结肠小袋纤毛虫病在高原不甚多见，但仍偶有发现，易漏诊，我院于一九九三年九月一日收治一例，现报告如下：××、女、48岁、藏族、农民、左贡县下林卡乡人．住院号93295；入院前三月余病员无明显诱因腹痛（弥漫性），阵发性加剧，腹泻4～5次／日，初时大便呈粥样或水样，常伴 Colonic pouch ciliate disease is rare in the plateau, but it is still occasionally found and easily missed. A case was admitted to our hospital on September 1, 1993. The report is as follows: XX, F 48, Tibetan, Peasants, Zuo Gong County Linca Township. Hospital number 93295; more than three months before admission no obvious incentive for patients with abdominal pain (diffuse), paroxysmal aggravating, diarrhea 4 to 5 times / day, at first stool was intiated or watery, often accompanied by