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What is Linear filling defect on ERCP is characteristic of which of the following : and explain in detail?
Linear filling defect in main CBD is a characteristic feature of BILIARY ASCARIASIS. ERCP is the gold standard but an invasive method. It is used also in the extraction of CBD worms. The worms appear as a hypointense structure within the hyperintense CBD giving linear filling defect on MRCP/ERCP