Kenjiro Yamamoto

Publication Activity (10 Years)

Years Active: 2020-2024
Publications (10 Years): 31

Top Topics

Cross Sectional

Helicobacter Pylori Infection

Radiofrequency Ablation

Top Venues

Journal of hepato-biliary-pancreatic sciences

Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society

This page only lists publications with an associated author ORCID identifier.

Publications

Kento Shionoya, Ryosuke Tonozuka, Shuntaro Mukai, Takayoshi Tsuchiya, Reina Tanaka, Kenjiro Yamamoto, Kazumasa Nagai, Yukitoshi Matsunami, Hiroyuki Kojima, Takao Itoi
Endoscopic ultrasound-guided biopsy using a three-prong asymmetry tip needle for pancreatic tumors and peridigestive tract lesions: Retrospective single-center study. Journal of hepato-biliary-pancreatic sciences (2024)
Shuntaro Mukai, Takao Itoi, Takayoshi Tsuchiya, Reina Tanaka, Ryosuke Tonozuka, Kenjiro Yamamoto, Kazumasa Nagai, Yukitoshi Matsunami, Hiroyuki Kojima, Atsushi Sofuni
One-step tract dilation using a novel long balloon catheter during endoscopic ultrasound-guided hepaticogastrostomy. Journal of hepato-biliary-pancreatic sciences (2024)
Kento Shionoya, Ryosuke Tonozuka, Shuntaro Mukai, Takayoshi Tsuchiya, Reina Tanaka, Kenjiro Yamamoto, Kazumasa Nagai, Yukitoshi Matsunami, Hiroyuki Kojima, Takao Itoi
Endoscopic ultrasound-guided biopsy using a three-prong asymmetry tip needle for pancreatic tumors and peridigestive tract lesions: Retrospective single-center study. Journal of hepato-biliary-pancreatic sciences 31 (4) (2024)
Shuntaro Mukai, Takao Itoi, Takayoshi Tsuchiya, Reina Tanaka, Ryosuke Tonozuka, Kenjiro Yamamoto, Kazumasa Nagai, Yukitoshi Matsunami, Hiroyuki Kojima, Atsushi Sofuni
A novel technique for one-step dilation followed by bile aspiration using an ultra-tapered bougie dilator with side holes to minimize bile leakage during EUS-guided hepaticogastrostomy. Journal of hepato-biliary-pancreatic sciences 31 (5) (2024)
Kenjiro Yamamoto, Takao Itoi, Akio Katanuma, Tatsuya Ishii, Eisuke Iwasaki, Shintaro Kawasaki, Takayoshi Tsuchiya, Ryosuke Tonozuka, Kazumasa Nagai, Shuntaro Mukai
Multicenter comparative study on the usefulness of the optimal electrosurgical unit setting in endoscopic papillectomy for ampullary neoplasms (with video). Journal of hepato-biliary-pancreatic sciences 31 (7) (2024)
Kenjiro Yamamoto, Takao Itoi, Akio Katanuma, Tatsuya Ishii, Eisuke Iwasaki, Shintaro Kawasaki, Takayoshi Tsuchiya, Ryosuke Tonozuka, Kazumasa Nagai, Shuntaro Mukai
Multicenter comparative study on the usefulness of the optimal electrosurgical unit setting in endoscopic papillectomy for ampullary neoplasms (with video). Journal of hepato-biliary-pancreatic sciences 31 (7) (2024)
Shuntaro Mukai, Takao Itoi, Takayoshi Tsuchiya, Reina Tanaka, Ryosuke Tonozuka, Kenjiro Yamamoto, Kazumasa Nagai, Yukitoshi Matsunami, Hiroyuki Kojima, Atsushi Sofuni
One-step tract dilation using a novel long balloon catheter during endoscopic ultrasound-guided hepaticogastrostomy. Journal of hepato-biliary-pancreatic sciences 31 (7) (2024)
Shuntaro Mukai, Takao Itoi, Takayoshi Tsuchiya, Reina Tanaka, Ryosuke Tonozuka, Kenjiro Yamamoto, Kazumasa Nagai, Yukitoshi Matsunami, Hiroyuki Kojima, Atsushi Sofuni
A novel technique for one-step dilation followed by bile aspiration using an ultra-tapered bougie dilator with side holes to minimize bile leakage during EUS-guided hepaticogastrostomy. Journal of hepato-biliary-pancreatic sciences (2024)
Shuntaro Mukai, Takao Itoi, Takayoshi Tsuchiya, Reina Tanaka, Ryosuke Tonozuka, Kenjiro Yamamoto, Kazumasa Nagai, Yukitoshi Matsunami, Hiroyuki Kojima, Atsushi Sofuni
One-step tract dilation using a novel long balloon catheter during endoscopic ultrasound-guided hepaticogastrostomy. Journal of hepato-biliary-pancreatic sciences 31 (7) (2024)
Kenjiro Yamamoto, Takao Itoi, Akio Katanuma, Tatsuya Ishii, Eisuke Iwasaki, Shintaro Kawasaki, Takayoshi Tsuchiya, Ryosuke Tonozuka, Kazumasa Nagai, Shuntaro Mukai
Multicenter comparative study on the usefulness of the optimal electrosurgical unit setting in endoscopic papillectomy for ampullary neoplasms (with video). Journal of hepato-biliary-pancreatic sciences (2024)
Kenjiro Yamamoto, Takao Itoi, Yukitoshi Matsunami, Atsushi Sofuni, Takayoshi Tsuchiya, Shuntaro Mukai, Hiroyuki Kojima, Hirohito Minami, Ryosuke Nakatsubo, Ryosuke Tonozuka
Early and late effects of endoscopic interventions in patients with malignant afferent loop syndrome: A single-center experience and literature review. Journal of hepato-biliary-pancreatic sciences (2023)
Kenjiro Yamamoto, Takayoshi Tsuchiya, Reina Tanaka, Ryosuke Tonozuka, Shuntaro Mukai, Kazumasa Nagai, Yukitoshi Matsunami, Hiroyuki Kojima, Hirohito Minami, Takao Itoi
Endoscopic retrieval of a proximally migrated fully covered self-expandable metal stent using biopsy forceps with a guiding sheath cannula. Journal of hepato-biliary-pancreatic sciences (2023)
Ryosuke Tonozuka, Kazumasa Nagai, Takayoshi Tsuchiya, Reina Tanaka, Shuntaro Mukai, Kenjiro Yamamoto, Hirohito Minami, Yukitoshi Matsunami, Hiroyuki Kojima, Takao Itoi
Potential versatile uses of a novel ultra-thin peroral cholangioscope. Journal of hepato-biliary-pancreatic sciences (2023)
Kenjiro Yamamoto, Takayoshi Tsuchiya, Ryosuke Tonozuka, Hiroyuki Kojima, Hirohito Minami, Ryosuke Nakatsubo, Takao Itoi
Novel self-assembling hemostatic agent with a supportive role in hemostatic procedures for delayed bleeding after endoscopic papillectomy. Journal of hepato-biliary-pancreatic sciences (2022)
Ryosuke Tonozuka, Takao Itoi, Kazumasa Nagai, Atsushi Sofuni, Takayoshi Tsuchiya, Kentaro Ishii, Reina Tanaka, Shuntaro Mukai, Hirohito Minami, Kenjiro Yamamoto
A novel peroral digital cholangioscope with a large accessory channel: An experimental study. Journal of hepato-biliary-pancreatic sciences (2022)
Kenjiro Yamamoto, Takayoshi Tsuchiya, Ryosuke Tonozuka, Shuntaro Mukai, Hiroyuki Kojima, Noriyuki Hirakawa, Takao Itoi
Two cases of endoscopic closure using an over-the-scope clip for endoscopy-related duodenal perforation: How to handle the over-the-scope clip. Journal of hepato-biliary-pancreatic sciences (2022)
Kenjiro Yamamoto, Atushi Sofuni, Shuntaro Mukai, Yukitoshi Matsunami, Hiroyuki Kojima, Noriyuki Hirakawa, Takao Itoi
Use of a novel self-assembling hemostatic gel as a complementary therapeutic tool for endoscopic sphincterotomy-related bleeding. Journal of hepato-biliary-pancreatic sciences 29 (9) (2022)
Ryosuke Nakatsubo, Kenjiro Yamamoto, Takao Itoi
Endoscopic ultrasound-guided biliary drainage for complete obstruction of hepaticojejunostomy using a forward-viewing echoendoscope and novel spiral dilator. Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society 34 (7) (2022)
Kenjiro Yamamoto, Shuntaro Mukai, Ryosuke Tonozuka, Yasutsugu Asai, Yukitoshi Matsunami, Noriyuki Hirakawa, Takao Itoi
A novel self-assembling hemostatic agent as an effective therapeutic tool for intracavitary bleeding from peripancreatic fluid collection after endoscopic ultrasonography-guided drainage using a lumen-apposing metal stent. Journal of hepato-biliary-pancreatic sciences (2022)
Rei Ryozawa, Kenjiro Yamamoto, Ryosuke Tonozuka, Hiroyuki Kojima, Toshihiro Homma, Noriyuki Hirakawa, Takao Itoi
Resolution of malignant biliary obstruction using endoscopic ultrasound-guided transmural drainage in a patient with unresectable pancreatic carcinoma complicated by a large cyst. Journal of hepato-biliary-pancreatic sciences 29 (6) (2022)
Hiroyuki Kojima, Atsushi Sofuni, Katsutoshi Sugimoto, Takayoshi Tsuchiya, Kentaro Ishii, Reina Tanaka, Ryosuke Tonozuka, Kenjiro Yamamoto, Noriyuki Hirakawa, Takao Itoi
Efficacy of shear wave elastography for the diagnosis of chronic pancreatitis. Journal of hepato-biliary-pancreatic sciences (2022)
Kenjiro Yamamoto, Takayoshi Tsuchiya, Ryosuke Tonozuka, Hiroyuki Kojima, Hirohito Minami, Ryosuke Nakatsubo, Takao Itoi
A migrated novel biliary stent penetrating the duodenal wall in a patient with ampullary adenoma after endoscopic papillectomy. Journal of hepato-biliary-pancreatic sciences (2022)
Kenjiro Yamamoto, Takayoshi Tsuchiya, Ryosuke Tonozuka, Shuntaro Mukai, Hiroyuki Kojima, Noriyuki Hirakawa, Takao Itoi
Successful biliary cannulation using the hybrid endoscopic ultrasound-guided rendezvous technique for bile duct stenosis after endoscopic papillectomy. Journal of hepato-biliary-pancreatic sciences (2022)
Kenjiro Yamamoto, Takao Itoi, Takayoshi Tsuchiya, Ryosuke Tonozuka, Shuntaro Mukai, Hiroyuki Kojima, Katsutoshi Sugimoto
Intraductal radiofrequency ablation therapy for eradication of intraductal residual lesions after endoscopic papillectomy for ampullary adenoma. Journal of hepato-biliary-pancreatic sciences 29 (11) (2022)
Hidetoshi Kitamura, Mikinori Kataoka, Yuri Imura, Kenjiro Yamamoto, Rumiko Umeda, Koji Takano, Chikako Watanabe, Tatsuhiro Masaoka, Kunihiro Hosono, Atsushi Nakajima
Endoscopic Ultrasound-Assisted Rendezvous by Transgastric Approach in Malignant Extrahepatic Bile Duct Stricture. Journal of hepato-biliary-pancreatic sciences (2022)
Kenjiro Yamamoto, Noriyuki Hirakawa, Takao Itoi
Acute cholecystitis associated with a novel integrated biliary stent and nasobiliary drainage catheter system: Two case reports. Journal of hepato-biliary-pancreatic sciences (2022)
Kenjiro Yamamoto, Takayoshi Tsuchiya, Ryosuke Tonozuka, Shuntaro Mukai, Hiroyuki Kojima, Noriyuki Hirakawa, Takao Itoi
Endoscopic ultrasound-guided gastrojejunostomy for malignant afferent loop syndrome with hemorrhage in a patient with recurrent peritoneal dissemination. Journal of hepato-biliary-pancreatic sciences 29 (7) (2022)
Kenjiro Yamamoto, Yukitoshi Matsunami, Takayoshi Tsuchiya, Ryosuke Tonozuka, Shuntaro Mukai, Hiroyuki Kojima, Takao Itoi
Stent placement using the EUS-guided pancreatic duct drainage rendezvous technique for pancreatic ductal stenosis after endoscopic papillectomy. Journal of hepato-biliary-pancreatic sciences (2021)
Kenjiro Yamamoto, Takao Itoi, Eisuke Iwasaki, Takayoshi Tsuchiya, Kentaro Ishii, Ryosuke Tonozuka, Shuntaro Mukai, Kazumasa Nagai, Yuko Kitagawa
Endoscopic papillectomy for tumors of the minor duodenal papilla: A case series of six patients and literature review. Journal of hepato-biliary-pancreatic sciences (2021)
Takayoshi Tsuchiya, Takao Itoi, Kentaro Ishii, Ryosuke Tonozuka, Shuntaro Mukai, Kazumasa Nagai, Kenjiro Yamamoto, Toshihiro Honma, Hirohito Minami, Yutaka Saito
Impact of using scope holder on Interventional Endoscopy (with video). Journal of hepato-biliary-pancreatic sciences (2021)
Kenjiro Yamamoto, Takao Itoi, Takayoshi Tsuchiya, Kentaro Ishii, Ryosuke Tonozuka, Shuntaro Mukai, Yasutsugu Asai, Yukitoshi Matsunami, Yuichi Nagakawa
Pre-aspiration of a large retention cyst followed by EUS-FNB for the successful diagnosis of a patient with pancreatic cancer. Journal of hepato-biliary-pancreatic sciences 27 (12) (2020)