Abstract
ERCP and EUS are complementary techniques in the management of biliary and pancreatic diseases. Combination of these two techniques can reach different levels of complexity with increasing rates of adverse events. In this article we propose a categorization of the relationship between EUS and ERCP based on whether EUS indicates, complements, facilitates or replaces ERCP. It has implications for the complexity of the technique, the training of the endoscopist and the necessary hospital resources. This classification can also be useful in planning endoscopist training and patient management.
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