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Diagnosis of Tumors of the Major Duodenal Papilla

With the development of endoscopic minimally invasive methods of treatment, endoscopic ultrasonography (EUS) is becoming increasingly relevant in the diagnostic algorithm for examining patients with neoplasms of the major duodenal papilla. Assessment of the exact size of the neoplasm, involvement in the pathological process of the duodenal wall, common bile and main pancreatic ducts, pancreatic parenchyma plays an important role in determining the future management of patients. The introduction of additional techniques such as contrast enhancement (CH-EUS), fine needle puncture (EUS-FNA) contribute to improving the possibility of morphological verification of tumors