Imaging Features and Clinicopathologic Analysis of Groove Pancreatitis
Objective To investigate the CT and MRI features of groove pancreatitis(GP).Methods Patients treated in our hospital and diagnosed with pancreatitis from January 2014 to January 2021 were retrospectively analyzed,18 patients were diagnosed with GP according to surgical pathology or endoscopic conservative treatment.Results 18 GP patients underwent CT plain and enhanced scan,5 of them underwent additional MRI examination.All 18 GP patients showed space occupying in different degrees in the pancreatic head and duodenal region on CT,with unclear boundary with the descending part of duodenum.5 cases of MRI examination showed low signal on T1WI,3 cases showed high signal on T2WI,and 2 cases showed low signal on T2WI.All the 18 patients showed different degree of descending duodenal wall thickening.8 cases were complicated with common bile duct obstruction,4 cases with cystic lesions,and 5 case with calcification of pancreatic head.The typical CT signs were crescent low-density lesions between the head of pancreas and duodenum,fat reduction,duodenal wall thickening and lumen stenosis,and progressive delayed enhancement of the groove inflammatory area.Conclusion GP is a rare chronic inflammatory disease,which is very easy to be misdiagnosed as pancreatic cancer.CT and MRI images have typical image characteristics.In clinical practice,most GP patients have a long history of drinking,jaundice is fluctuating,and the level of CA19-9 is normal.Familiarity with its clinical and image characteristics can provide reference for accurate diagnosis.
万方数据
维普
