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患者男性,84岁,二年来,每日解黄稀水大便2～4次,每次量约50～100毫升,否认有红自冻样大便,也无里急后重。否认有血吸虫病与痢疾史。实验室检查:大便常规镜检见少许白细胞。血、尿常规正常。纤维结肠镜检查所见:“进入迥盲部,迥盲瓣呈菊花瓣状突出,不对开闭,有稀粪附着。在直肠10厘米处,见一黄豆状小息肉,表面光滑,并发现一条兰色带毛虫体,可活动。镜检诊断:肠蝇蛆病;慢性结肠炎。病理细胞学检查:慢性炎症。寄生虫学检查:系寄生于直肠内的一条昆虫幼虫,形态属丽蝇科(Calliphoridae)的幼虫”,结论:“直肠蝇蛆病”(Roctal Myiasis)。讨论:蝇蛆病是由于蝇类的幼虫寄生于组织或
Male patients, 84 years old, two years, the daily diarrhea dilute water stool 2 to 4 times, each about 50 to 100 ml, denied a red self-frozen stool, no tenesmus. Denied the history of schistosomiasis and dysentery. Laboratory tests: stool routine examination of a small white blood cells. Blood, urine routine normal. Fiber colonoscopy seen: “Into the Dysmenorrhea Department, the uterine blind valve chrysanthemum petals prominent, not on the open, there is thin dung attachment in the rectum 10 cm Department, see a small polyp of soybeans, the surface smooth, and found a Blue with caterpillar body, can be active. Microscopic examination: intestinal myiasis Chronic colitis Pathological cytology: chronic inflammation. Parasitology examination: parasitic in the rectum of an insect larvae, the form is a member of the family of Reynardidae Larvae of Calliphoridae, ”concluded:“ Roctal Myiasis. ” Discussion: Myiasis is caused by the larvae of flies parasitizing the tissues or