DIAGNOSTIC EVALUATION OF CT AND ERCP BASED ON THE RETROSPECTIVE ANALYSIS OF OPERATED CASES WITH HEPATO-BILIARY AND PANCREATIC DISEASES

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The retrospective analysis was performed in order to evaluate computed tomography (CT) and endoscopic retrograde cholangiopancreatography (ERCP) with following results. Materials were 44 lesions out of 39 cases with hpato-biliary and pancreatic disease confirmed operatively. Diagnostic accuracy of hepato-biliary lesions was 54% and 88%, that of pancreatic lesions being 65% and 83% in CT and ERCP, respectively. From the results mentioned above, it seems that diagnostic accuracy of the ERCP examination is superior than that of CT scan to diagnose either hepato-biliary or pancreatic lesions. However it must be emphasized that superiority of CT scan in capable to give information about size, configuraiton and character of the lesion or relationship between the surrounding organ in CT scan. Therefore, CT scan is quite useful to diagnose abscess, cyst or tumors. On the contrary, lesions which invade the hpato-biliary tract or pancreatic duct was easily diagnosed by ERCP examination. But ERCP has disadvantage for the diagnosis of parenchymatous lesions or infiltraiton of lesons into the surrounding organs. Therefore it might be concluded that combined use of both CT and ERCP is very important to enhance the diagnostic value for the diagnosis of hepato-biliary or pancreatic disease.
財団法人日本消化器病学会の論文