The diagnostic yield of ERCP in the investigation of unexplained abdominal pain

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Abstract
One hundred and forty patients with undiagnosed severe chronic abdominal pain who had not undergone previous biliary surgery were investigated by ERCP. A diagnosis was achieved in 34 patients (24 per cent) including 8 with previously undiagnosed peptic ulceration and 5 with gallstones. Twenty-five patients (18 per cent) had an abnormal pancreatogram, including 1 with pancreatic cancer. The incidence of pancreatogram abnormalities suggestive or diagnostic of pancreatitis was particularly high (60 per cent) in patients with a history of alcohol abuse. ERCP has a valuable role in the investigation of patients with ‘obscure’ abdominal pain.