引子:贾立群牌B超“快!去请贾主任!”手术室里主刀的主任医师急促地说。手术台上躺着一个来自甘肃的8岁女孩,6年来肚子一直断断续续地疼,在当地两次开刀都没有找到病因,瘪瘪的小肚皮上留下了两道刺目的疤痕。这次在北京儿童医院就诊,经验丰富的B超科主任贾立群在孩子的十二指肠肠壁上发现了一个蚕豆大小的囊肿,断 Introduction: Jia Liqun card B-ultrasound “Quick! Go to Director Jia!” said the chief physician of the surgeon in the operating room. An eight-year-old girl from Gansu was lying on the operating table. Her stomach had been painfully intermittent for six years. I could not find the cause in two local operations. I had two irritating scars on my small belly. During the visit to Beijing Children’s Hospital, J Liqun, an experienced B-radiologist, discovered a faba sized cyst on the child’s duodenal intestinal wall.