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Verification in an animal study of the appropriate settings for a novel radiofrequency generator in radiofrequency ablation therapy for residual intraductal lesions after endoscopic papillectomy (with video).
Dig Endosc
January 2025
Department of Gastroenterology and Hepatology, Tokyo Medical University, Tokyo, Japan.
Endoscopic intraductal radiofrequency ablation (ID-RFA) can curatively treat residual intraductal lesions after endoscopic papillectomy. This study aimed to verify the tissue invasiveness of ID-RFA using a novel RF generator and to explore its appropriate settings in an animal experiment, followed by a small clinical study. Pig liver specimens were ablated using a dedicated RF catheter and two RF generators to investigate structural differences between them and the ablation effects produced under various voltage and power settings.
View Article and Find Full Text PDFAmpullary composite gangliocytoma/neuroma and neuroendocrine tumor (CoGNET), previously called ampullary gangliocytic paragangliomas, is a rare entity, with only few reported cases in the literature. This is a multicentric retrospective cohort study of patients treated with endoscopy or surgery for ampullary CoGNET. A literature review of ampullary CoGNET was also performed.
View Article and Find Full Text PDFEndoscopic papillectomy versus surgical ampullectomy for adenomas and early cancers of the papilla: a retrospective Pancreas2000/European Pancreatic Club analysis.
Gut
December 2024
Department of Digestive and HBP Surgery, Groupe Hospitalier Pitié-Salpêtrière, Médecine Sorbonne Université APHP, Paris, France.
Objective: Ampullary neoplastic lesions can be resected by endoscopic papillectomy (EP) or transduodenal surgical ampullectomy (TSA) while pancreaticoduodenectomy is reserved for more advanced lesions. We present the largest retrospective comparative study analysing EP and TSA.
Design: Of all patients in the database, lesions with prior interventions, benign histology advanced malignancy (T2 and more), patients with hereditary syndromes and those undergoing pancreatoduodenectomy were excluded.
A case of pancreatic fistula with disruption of the inferior branch of the pancreatic duct caused by a pancreatic stent after endoscopic papillectomy.
Clin J Gastroenterol
November 2024
Department of Gastroenterology and Hepatology, Nagoya University Graduate School of Medicine, 65, Tsurumai-Cho, Showa-Ku, Nagoya, Aichi, 466-8560, Japan.
A 73-year-old man underwent upper gastrointestinal endoscopy for abdominal pain, which revealed an ampullary adenoma with no obvious extension into the bile or pancreatic ducts. Endoscopic papillectomy (EP) was performed and a 5-Fr 5-cm stent was placed in the pancreatic duct. The patient developed acute pancreatitis on postoperative day (POD) 1 and contrast-enhanced computed tomography performed on POD 2 revealed that the proximal end of the stent had migrated into the retroperitoneum, forming a pancreatic fistula.
View Article and Find Full Text PDFAdvancing endoscopic papillectomy: Outcomes and insights from a single-center learning experience.
Dig Liver Dis
January 2025
Gastroenterology and Endoscopy Unit, ARNAS Civico-Di Cristina-Benfratelli, Palermo, Italy.
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