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Fig. 3 | BMC Gastroenterology

Fig. 3

From: Clinical value of DPOC for detecting and removing residual common bile duct stones (video)

Fig. 3

Residual stones were detected by DPOC after mechanical lithotripsy. a well-conditioned duodenal papilla; b 1.8 × 2.5 cm filling defect detected by choledochography; c removal of broken stones after EST plus EPBD and mechanical lithotripsy; d no cholangiographic filling defect were found after balloon cleaning; e:more common bile duct residual stones were found and clean up by DPOC

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