外科用硫酸钡肠道造影是诊断肠腔占位性病变的一种方法 ,显影清晰。由于对病员病情变化及肠功能不足分析 ,导致造影剂滞留肠内加重肠梗阻时有发生。1　临床资料例 1,男性 ,5 8岁。腹痛 ,逐日消瘦大便不畅 2个月。肛门指诊距离肛门 6cm ,直肠前壁 3× 4cm肿块突入肛管 ,表面光滑 Surgical use of barium sulfate intestinal imaging is a method of diagnosis of space-occupying lesions, the development of clear. As the patient’s condition changes and intestinal insufficiency analysis, resulting in contrast agent retention intestinal increased intestinal obstruction occurs. 1 clinical data example 1, male, 58 years old. Abdominal pain, daily weight loss stool poor 2 months. Anal fingering 6cm from the anus, anterior rectal wall 3 × 4cm mass broke into the anal canal, the surface is smooth