病员男性,32岁,教师,藏族。1987年3月19日入院。患者于入院前3年多发现大便中常带有白色、柔软、扁平、形似面条样物,长约2cm,宽约1cm,能活动,每次大便排1～2片。病后2月在当地某医院诊断为绦虫病,服南瓜子等药后排出长约40cm虫体,未发现头节。出院后1周上述症状复发。入院前4个月出现脐周隐痛,腹泻水样便 Patient male, 32 years old, teacher, Tibetan. March 19, 1987 admission. Patients in the hospital more than 3 years ago often found in stool with white, soft, flat, shaped like noodles, about 2cm, width 1cm, to activities, each stool row 1 or 2 tablets. After the illness in February February in a local hospital diagnosed as taeniasis, service pumpkin seeds and other drugs discharged after about 40cm parasites, no head node was found. One week after discharge, the above symptoms recur. 4 months before admission umbilical pain, diarrhea, watery stools