一、临床资料我们自1986年以来共收治老年入肠套叠LZ例，其中男7例、女5例，年龄62岁一73岁，平均63岁，以腹痛、腹胀、呕吐、腹块、出血（血便或潜血）为主，急性发病者4例，发病时间3天一5天；以反复腹痛发病者8例．发病时间最长达2年。伴营养不良5例，既往有胃肠手术史者3例 First, the clinical data We have since 1986 admitted to the elderly intussusception LZ cases, including 7 males and 5 females, aged 62 years of a 73 years old, average 63 years old, abdominal pain, bloating, vomiting, abdominal mass, bleeding (Bloody stool or occult blood), acute onset in 4 cases, the onset time of 3 days to 5 days; to recurrent abdominal pain in 8 cases. The onset time up to 2 years. Malnutrition in 5 cases, past history of gastrointestinal surgery in 3 cases