胰腺分裂（PancrerasDivisumPD）是在胚胎发育第7～8周背侧和腹侧胰管系统末能融合所致，为最常见的胰管变异[1]。一般认为，其在人群中的发生率为7％左右[2]。早在17世纪，人们即已认识到它的存在。但直到ERCP（逆行胰胆管造影，endoscopicretrogradecholangiopancreatography PancreasDivisumPD is the commonest fusion of the dorsal and ventral pancreatic duct systems from the 7th to the 8th week of embryonic development and is the most common pancreatic ductal variant [1]. It is generally believed that its incidence in the population is about 7% [2]. As early as the 17th century, people have realized its existence. But until ERCP (ERCP, endoscopic retrograde cholangiopancreatography