Hirofumi Yamazaki

Wakayama, Japan

Last Updated: 09/26/2026

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Found 21 publications

Endobiliary radiofrequency ablation for malignant biliary obstruction.

Endobiliary radiofrequency ablation for malignant biliary obstruction.

Journal: Therapeutic advances in gastroenterology

Published: July 29, 2025

Rendezvous technique using a drill dilator through endosonographically created route in a patient with huge pancreatic stones.

Rendezvous technique using a drill dilator through endosonographically created route in a patient with huge pancreatic stones.

Journal: Endoscopy

Published: July 28, 2025

Factors associated with the need for electrohydraulic lithotripsy in endoscopic papillary large balloon dilation for giant common bile duct stones.

Factors associated with the need for electrohydraulic lithotripsy in endoscopic papillary large balloon dilation for giant common bile duct stones.

Journal: Therapeutic advances in gastroenterology

Published: July 22, 2025

Advances in Endoscopic Ultrasonography-Based Diagnosis of Pancreatic Lesions: Narrative Review.

Advances in Endoscopic Ultrasonography-Based Diagnosis of Pancreatic Lesions: Narrative Review.

Journal: Cancers

Published: November 23, 2024

Value of image enhancement of endoscopic ultrasound for diagnosis of gastrointestinal subepithelial lesions.

Value of image enhancement of endoscopic ultrasound for diagnosis of gastrointestinal subepithelial lesions.

Journal: DEN open

Published: June 27, 2024

Endoscopic ultrasound-guided hepaticogastrostomy vs. antegrade metal stent placement keeping an access route in patients with malignant biliary obstruction.

Endoscopic ultrasound-guided hepaticogastrostomy vs. antegrade metal stent placement keeping an access route in patients with malignant biliary obstruction.

Journal: International journal of clinical oncology

Published: March 18, 2024

Performance evaluation of endoscopic ultrasonography needles: Experimental study.

Performance evaluation of endoscopic ultrasonography needles: Experimental study.

Journal: Endoscopy international open

Published: February 24, 2024

Endoscopic ultrasonography for microvascular imaging without contrast enhancement in the differential diagnosis of pancreatic lesions.

Endoscopic ultrasonography for microvascular imaging without contrast enhancement in the differential diagnosis of pancreatic lesions.

Journal: Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society

Published: January 26, 2024

Safety of skipping the tract dilation step for EUS-guided biliary drainage in patients with unresectable malignant biliary obstruction (with video).

Safety of skipping the tract dilation step for EUS-guided biliary drainage in patients with unresectable malignant biliary obstruction (with video).

Journal: Surgical endoscopy

Published: August 31, 2023

Intraductal Papillary Neoplasm of the Bile Duct Treated with Argon Plasma Coagulation via Endoscopic Ultrasound-guided Choledochoduodenostomy.

Intraductal Papillary Neoplasm of the Bile Duct Treated with Argon Plasma Coagulation via Endoscopic Ultrasound-guided Choledochoduodenostomy.

Journal: Internal medicine (Tokyo, Japan)

Published: August 23, 2023

Utility of contrast-enhanced harmonic endoscopic ultrasonography for prediction of pathological response after neoadjuvant chemotherapy in patients with pancreatic cancer.

Utility of contrast-enhanced harmonic endoscopic ultrasonography for prediction of pathological response after neoadjuvant chemotherapy in patients with pancreatic cancer.

Journal: Pancreatology : official journal of the International Association of Pancreatology (IAP) ... [et al.]

Published: August 05, 2023

Novel Technique of Endoscopic Ultrasonography for the Differential Diagnosis of Gallbladder Lesions and Intraductal Papillary Mucinous Neoplasms: A Single-Center Prospective Study.

Novel Technique of Endoscopic Ultrasonography for the Differential Diagnosis of Gallbladder Lesions and Intraductal Papillary Mucinous Neoplasms: A Single-Center Prospective Study.

Journal: Diagnostics (Basel, Switzerland)

Published: May 24, 2023

Showing 1-12 of 21

Last Updated: 09/26/2026