Hiroyuki Isayama

Tokyo, Japan

Last Updated: 09/26/2026

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Found 501 publications

Cholangioscopy-guided holmium laser ablation for stent-related mucosal hyperplasia causing recurrent cholangitis after endoscopic ultrasound-guided hepaticogastrostomy.

Cholangioscopy-guided holmium laser ablation for stent-related mucosal hyperplasia causing recurrent cholangitis after endoscopic ultrasound-guided hepaticogastrostomy.

Journal: Endoscopy

Published: August 27, 2026

Holmium:yttrium-aluminum-garnet laser-assisted retrieval of an embedded fully covered self-expandable metallic stent for benign biliary strictures.

Holmium:yttrium-aluminum-garnet laser-assisted retrieval of an embedded fully covered self-expandable metallic stent for benign biliary strictures.

Journal: Endoscopy

Published: July 08, 2026

A novel endoscopic ultrasound system assisted by artificial intelligence for the recognition of pancreatic parenchyma and the detection of solid/cystic lesions.

A novel endoscopic ultrasound system assisted by artificial intelligence for the recognition of pancreatic parenchyma and the detection of solid/cystic lesions.

Journal: Endoscopy

Published: May 21, 2026

The 2024 diagnostic criteria for primary sclerosing cholangitis

The 2024 diagnostic criteria for primary sclerosing cholangitis

Journal: Nihon Shokakibyo Gakkai zasshi = The Japanese journal of gastro-enterology

Published: May 13, 2026

Efficacy of New Hepatic Arterial Infusion Chemotherapy with Lipiodol, a New-FP Therapy for Unresectable Advanced Intrahepatic Cholangiocarcinoma (iCCA).

Efficacy of New Hepatic Arterial Infusion Chemotherapy with Lipiodol, a New-FP Therapy for Unresectable Advanced Intrahepatic Cholangiocarcinoma (iCCA).

Journal: Internal medicine (Tokyo, Japan)

Published: April 29, 2026

Intestinal lamina propria-type tumor stroma characterizes type 2 but not type 1 intraductal papillary neoplasm of the bile duct.

Intestinal lamina propria-type tumor stroma characterizes type 2 but not type 1 intraductal papillary neoplasm of the bile duct.

Journal: Scientific reports

Published: March 02, 2026

Evaluation of tumor detection capability for pancreatic ductal adenocarcinoma concomitant with intraductal papillary mucinous neoplasm in each MRI sequence.

Evaluation of tumor detection capability for pancreatic ductal adenocarcinoma concomitant with intraductal papillary mucinous neoplasm in each MRI sequence.

Journal: Saudi journal of gastroenterology : official journal of the Saudi Gastroenterology Association

Published: March 01, 2026

Reply to Vanella et al.

Reply to Vanella et al.

Journal: Endoscopy

Published: February 20, 2026

A novel endoscopic ultrasound system assisted by artificial intelligence for the recognition of pancreatic parenchyma and the detection of solid/cystic lesions.

A novel endoscopic ultrasound system assisted by artificial intelligence for the recognition of pancreatic parenchyma and the detection of solid/cystic lesions.

Journal: Endoscopy

Published: January 30, 2026

Endoscopic ultrasonography-guided B3 branch drainage/anastomosis as hepaticoduodenostomy in atrophic left hepatic lobe case.

Endoscopic ultrasonography-guided B3 branch drainage/anastomosis as hepaticoduodenostomy in atrophic left hepatic lobe case.

Journal: Endoscopy

Published: January 28, 2026

Perceived Impact of a Junior-Senior Inpatient Team Model on Clinical Workflow, Supervision, and Workload in a Tertiary Gastroenterology Department: A Mixed-Methods Study.

Perceived Impact of a Junior-Senior Inpatient Team Model on Clinical Workflow, Supervision, and Workload in a Tertiary Gastroenterology Department: A Mixed-Methods Study.

Journal: Journal of clinical medicine

Published: January 21, 2026

Patients With Pancreatitis-Related Gene Variants Showed Higher Incidence of Hyperpancreatic Enzymemia After Endoscopic Retrograde Cholangiopancreatography.

Patients With Pancreatitis-Related Gene Variants Showed Higher Incidence of Hyperpancreatic Enzymemia After Endoscopic Retrograde Cholangiopancreatography.

Journal: DEN open

Published: December 23, 2025

Showing 1-12 of 501

Last Updated: 09/26/2026