胰腺炎通常呈胰腺弥漫性增大;当表现为胰腺炎性肿块时,灰阶超声及CT均难以与癌鉴别。过去曾认为ERCP(逆行胰胆管造影)及THC(经肝胆道造影)中出现完全性胆道梗阻和“双管征”(总胆管及邻近胰管同时梗阻)是诊断胰腺癌的特征。但此征象也可见于胰腺炎。有作者认为若ERCP出现上述征象而同时有胰腺炎的征象,即不能诊断为胰腺癌。作者复习了19例胰腺局部肿块,手术切除标本组织学检查均证实为炎症。其中13例用目前影象学技术包括CT、超声、ERCP及THC均不易与癌鉴别。肿块内有钙化者诊断为胰腺炎无困难,故不包括在本组病例内。CT中胰腺增大和/或变形的范围在一段以上, Pancreatitis is usually diffusely enlarged pancreas; when the performance of pancreatic inflammatory mass, gray-scale ultrasound and CT are difficult to identify with the cancer. In the past, it was thought that complete biliary obstruction and “double tube sign” (simultaneous obstruction of the common bile duct and adjacent pancreatic duct) in ERCP (retrograde cholangiopancreatography) and THC (transhepatic cholangiography) were the features of pancreatic cancer. But this sign is also seen in pancreatitis. Some authors think that if the above signs of ERCP accompanied by signs of pancreatitis, that can not be diagnosed as pancreatic cancer. The authors reviewed 19 cases of local pancreas, surgical specimens were histologically confirmed as inflammation. Thirteen of them were not easily differentiated from other cancers using current imaging techniques including CT, ultrasound, ERCP and THC. Patients with calcification within the diagnosis of pancreatitis pancreatitis is not difficult, it is not included in this group of cases. The extent of enlargement and / or deformation of the pancreas in the CT is more than one,