Papilla Morphology - Haraldsson classification: useful for predicting whether a native papilla will be hard to cannulate Type 1 (Regular): • Prevalence 56%, Cannulation Failure 2%, Difficult Cannulation 23%, Pancreatitis 8% Type 2 (Small): • Prevalence 13%, Cannulation Failure 12%, Difficult Cannulation 11%, Pancreatitis 6% Type 3 (Protruding): • Prevalence 23%, Cannulation Failure 11%, Difficult Cannulation 48%, Pancreatitis 43% Type 4 (Creased/Ridged): • Prevalence 8%, Cannulation Failure 6%, Difficult Cannulation 2%, Pancreatitis 6% #Papilla #Morphology #Haraldsson #classification #diagnosis #gastroenterology #types
