Patient with abdominal pain in right hypochondrium. History of surgery to remove the gallbladder.
MRI cholangiography (selected images)
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Filling defects are seen within the biliary tree on thin cross-sectional T2 weighted image.
MRI T2 weighted imaging: filling defects on dilated biliary tree. No gallbladder was seen.
MRCP (MRI cholangiography) has largely replaced ERCP as the gold standard for diagnosis of choledocholithiasis, able to achieve similar sensitivity and specificity (approaching 100%) without ionising radiation, intravenous contrast or complication rate inherent in ERCPs.