环状胰腺是一种先天性发育畸形,临床少见,成人型更为罕见,国内文献~([1-4])多为个案报道。成人型环状胰腺的临床表现不典型,且多由并发症引起。为了提高对本病的认识,近期,我们对2001年9月-2015年12月成人型环状胰腺27例的影像学特征进行了回顾性分析。现报告如下。1临床资料1.1一般情况本组27例中,男19例,女8例;年龄22~78岁,平均43岁。主要临床症状为反复上腹部不 Ringed pancreas is a congenital malformation, rare clinical, adult is more rare, the domestic literature ~ ([1-4]) are mostly case reports. Clinical manifestations of adult type annular pancreas is not typical, and more than caused by complications. In order to improve the understanding of this disease, we retrospectively analyzed the imaging features of 27 adult patients with annular pancreas from September 2001 to December 2015. The report is as follows. 1 Clinical data 1.1 General This group of 27 patients, 19 males and 8 females; aged 22 to 78 years, mean 43 years. The main clinical symptoms are repeated upper abdomen not