Application of Enhanced CT and Multi-parameter MRI in the Diagnosis of Focal Autoimmune Pancreatitis and Pancreatic Cancer
Objective To explore the application of enhanced CT and multi-parameter MRI in the diagnosis of focal autoimmune pancreatitis and pancreatic cancer.Methods In this study,78 patients with autoimmune pancreatitis admitted from September 2017 to October 2022 were selected as research objects,and 78 patients with pancreatic cancer who were diagnosed and treated in our hospital during the same period were selected as control group.After inclusion,enhanced CT and multi-parameter MRI scans were performed on all patients.The differences in imaging features,CT values,ADC and SI indexes of the two groups were compared.To investigate the diagnostic efficacy of combined ADC,SI and CT values in patients with autoimmune pancreatitis.Results There were statistically significant differences between the study group and the control group in pancreatic morphology abnormalities and pancreatobiliary duct conditions(P<0.05).The CT values of plain scan(t=13.550,P=0.000),arterial stage(t=26.901,P=0.000),venous stage(t=14.218,P=0.000)and delayed stage(t=107.204,P=0.000)in the study group were significantly higher than those in the control group.ADC value(t=13.021,P=0.000)and SI(t=13.120,P=0.000)in the study group were significantly lower than those in the control group.The sensitivity of ADC,SI and CT values in the combined diagnosis of patients with autoimmune pancreatitis was significantly higher than that of single detection.According to ROC curve analysis,the area under the curve of ADC,SI and CT values for the combined diagnosis of patients with autoimmune pancreatitis was significantly higher than that of single detection.Conclusion Enhanced CT value of each phase of the focus combined with multi-parameter MRI image features has a strong differential diagnosis significance in the diagnosis of focal autoimmune pancreatitis and pancreatic cancer,suggesting clinical application.
Enhanced CTCT ValueAutoimmune PancreatitisPancreatic Cancer