RESUMO
OBJECTIVE: To analyze the efficacy of intraductal radiofrequency ablation (RFA) for neoplasms of the major duodenal papilla with intraductal spread. MATERIAL AND METHODS: Eleven patients with adenomas of the major duodenal papilla and intraductal spread underwent intraductal RFA between 2022 and 2023. Spread to the common bile duct ranged from 10 to 30 mm, to the main pancreatic duct - from 5 to 11 mm. RESULTS: Technical success was achieved in all cases. Complications after intraductal RFA occurred in 4 cases (post-manipulation pancreatitis - 2 cases, repeated intraductal RFA for residual adenomatous growths - 2 cases). Technical success of stenting of the main pancreatic and common bile ducts was achieved in all cases. CONCLUSION: Intraductal radiofrequency ablation for neoplasms of the major duodenal papilla with intraductal spread ensured complete destruction of intraductal tumor with adequate clinical effect and no need for highly traumatic surgery.