Problems in the diagnosis of pancreatic carcinoma by endoscopic retrograde cholangiopancreatography

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Abstract
Diagnostic problems occurred in five out of 55 patients undergoing endoscopic retrograde cholangiopancreatography who subsequently proved to have carcinoma of the pancreas. In one patient the pancreatic duct was normal, two had non-specific ductal abnormalities, one had pancreas divisum, and one had ductal ectasia. Two patients with non-specific changes on retrograde pancreatography had evidence of tumor on their retrograde cholangiogram. Two patients had ductal obstruction simulating pancreatic cancer, in one due to compression by the thoracic spine, in the other by inflammatory changes.