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Start Over Author "Toyonaga H" Topic ampulla of vater
4 results on '"Toyonaga H"'

1. Tip-in endoscopic papillectomy for ampullary adenoma near diverticulum to minimize complications.

Author

Toyonaga H, Hayashi T, Hama K, Iwano K, Ando R, Ishii T, Kin T, Motoya M, Takahashi K, and Katanuma A

Subjects
Humans, Sphincterotomy, Endoscopic methods, Treatment Outcome, Retrospective Studies, Cholangiopancreatography, Endoscopic Retrograde, Ampulla of Vater surgery, Ampulla of Vater pathology, Adenoma diagnostic imaging, Adenoma surgery, Adenoma pathology, Common Bile Duct Neoplasms diagnostic imaging, Common Bile Duct Neoplasms surgery, Common Bile Duct Neoplasms pathology, Pancreatic Neoplasms surgery, Diverticulum pathology, Diverticulum surgery
Abstract

Toyonaga and colleagues present a novel "tip-in endoscopic papillectomy" approach for resecting ampullary tumors, aiming to minimize complications like perforation and residual tumor by adapting the colonic polyp endoscopic mucosal resection tip-in method. The technique is described with accompanying video in a case of ampullary tumor near a diverticulum., (© 2023 Japanese Society of Hepato-Biliary-Pancreatic Surgery.)

Published
2023
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2. Gel immersion endoscopic ultrasonography for ampullary tumors.

Author

Toyonaga H, Kin T, Iwano K, Nakamura R, Ishii T, Takahashi K, Hayashi T, Ota S, Shinohara T, and Katanuma A

Subjects
Humans, Endosonography, Immersion, Ampulla of Vater diagnostic imaging, Ampulla of Vater pathology, Common Bile Duct Neoplasms diagnostic imaging, Common Bile Duct Neoplasms pathology, Biliary Tract
Abstract

Toyonaga and colleagues present gel immersion endoscopic ultrasonography for ampullary tumors. They propose that gel immersion endoscopic ultrasonography is usefulness in evaluating of ampurally tumors because it allows clear and stable observation for an extended period with a low filling gel volume without papilla compression of the duodenal papilla., (© 2022 Japanese Society of Hepato-Biliary-Pancreatic Surgery.)

Published
2023
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3. Gel immersion technique for the examination and treatment of an ampullary tumor.

Author

Toyonaga H, Takahashi K, Kin T, Hayashi T, and Katanuma A

Subjects
Humans, Immersion, Ampulla of Vater diagnostic imaging, Ampulla of Vater pathology, Common Bile Duct Neoplasms diagnostic imaging, Common Bile Duct Neoplasms surgery, Duodenal Neoplasms pathology, Pancreatic Neoplasms pathology
Abstract

Competing Interests: Dr. Katanuma has received speakerʼs fees from Olympus Co., Tokyo, Japan. The remaining authors declare that they have no conflict of interest.

Published
2022
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