Endoscopic transpapillary repositioning of a migrated cystic duct tube using a gooseneck snare technique.
Takehiko Koga; Yusuke Ishida; Hiroto Ishikawa; Yukiya Kishimoto; Satoki Kojima; Masayuki Okabe; Fumihito Hirai
Endoscopy, 2023年12月

Novel hemostatic option using self-assembling peptide gel for endoscopic necrosectomy-related bleeding.
Takehiko Koga; Yusuke Ishida; Naoaki Tsuchiya; Takanori Kitaguchi; Takashi Kurogi; Yasuharu Shimoji; Fumihito Hirai
Endoscopy, 2023年12月

High predictive ability of apparent diffusion coefficient value for wall-invasion pattern of advanced gallbladder carcinoma.
Takehiko Koga; Yusuke Ishida; Yoshihiro Hamada; Yukihisa Takayama; Naoaki Tsuchiya; Takanori Kitaguchi; Keisuke Matsumoto; Masatoshi Kajiwara; Shigetoshi Naito; Fuminori Ishii; Ryo Nakashima; Takahide Sasaki; Fumihito Hirai
Abdominal radiology (New York), 2023年03月

Fine-needle biopsy with 19G needle is effective in combination with endoscopic ultrasound-guided tissue acquisition for genomic profiling of unresectable pancreatic cancer.
Go Ikeda; Susumu Hijioka; Yoshikuni Nagashio; Yuta Maruki; Akihiro Ohba; Yuya Hisada; Motohiro Yoshinari; Shota Harai; Hidetoshi Kitamura; Takehiko Koga; Yumi Murashima; Kosuke Maehara; Mao Okada; Daiki Yamashige; Kohei Okamoto; Hidenobu Hara; Yuya Hagiwara; Daiki Agarie; Tetsuro Takasaki; Kotaro Takeshita; Yuki Kawasaki; Shunsuke Kondo; Chigusa Morizane; Hideki Ueno; Nobuyoshi Hiraoka; Yasushi Yatabe; Yutaka Saito; Katsuhiko Iwakiri; Takuji Okusaka
Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society, 2023年01月

Usefulness of a laser-cut covered metal stent with a 7F delivery sheath in endoscopic ultrasound-guided biliary drainage without fistula dilation.
Kotaro Takeshita; Susumu Hijioka; Yoshikuni Nagashio; Yuta Maruki; Akihiro Ohba; Yuki Kawasaki; Yuya Hisada; Motohiro Yoshinari; Shota Harai; Hidetoshi Kitamura; Takehiko Koga; Kosuke Maehara; Yumi Murashima; Natsumi Yamada; Mao Okada; Tetsuro Takasaki; Daiki Agarie; Hidenobu Hara; Yuya Hagiwara; Kohei Okamoto; Daiki Yamashige; Shunsuke Kondo; Chigusa Morizane; Hideki Ueno; Yutaka Saito; Takuji Okusaka
Endoscopy international open, 2023年01月

A novel endoscopic technique using fully covered self-expandable metallic stents for benign strictures after hepaticojejunostomy: the saddle-cross technique (with video).
Yuki Kawasaki; Susumu Hijioka; Yosikuni Nagashio; Akihiro Ohba; Yuta Maruki; Kosuke Maehara; Motohiro Yoshinari; Yuya Hisada; Shota Harai; Hidetoshi Kitamura; Yumi Murashima; Takehiko Koga; Shun Kawahara; Syunsuke Kondo; Chigusa Morizane; Hideki Ueno; Jun Ushio; Kiichi Tamada; Shunsuke Sugawara; Miyuki Sone; Takeshi Takamoto; Satoshi Nara; Daisuke Ban; Minoru Esaki; Yasuaki Arai; Kazuaki Shimada; Yutaka Saito; Takuji Okusaka
Surgical endoscopy, 2022年12月

A novel self-assembling peptide hemostatic gel as an option for initial hemostasis in endoscopic sphincterotomy-related hemorrhage: a case series.
Yusuke Ishida; Naoaki Tsuchiya; Takehiko Koga; Takanori Kitaguchi; Keisuke Matsumoto; Nobuaki Kuno; Sadahiro Funakoshi; Hideki Ishibashi; Shinya Ashizuka; Fumihito Hirai
Clinical journal of gastroenterology, 2022年12月

Proportion of unresectable pancreatic cancer specimens obtained by endoscopic ultrasound-guided tissue acquisition meeting the OncoGuide™ NCC Oncopanel System analysis suitability criteria: a single-arm, phase II clinical trial.
Yuya Hisada; Susumu Hijioka; Go Ikeda; Kosuke Maehara; Taiki Hashimoto; Hidetoshi Kitamura; Shota Harai; Motohiro Yoshinari; Yuki Kawasaki; Yumi Murashima; Takehiko Koga; Kotaro Takeshita; Yuta Maruki; Akihiro Ohba; Yoshikuni Nagashio; Shunsuke Kondo; Chigusa Morizane; Hideki Ueno; Yutaka Saito; Yasushi Yatabe; Takuji Okusaka
Journal of gastroenterology, 2022年12月

Operative findings of the migrated stent into the abdominal cavity following endoscopic ultrasound-guided hepaticogastrostomy: Anchoring force of a novel self-expandable metal stent with an anti-migration system (with video).
Takehiko Koga; Yusuke Ishida; Fumihito Hirai
Journal of hepato-biliary-pancreatic sciences, 2022年08月

Standardized Methods Using EUS-guided Fine-needle Biopsy and a Minimal Medium Creates Three Pancreatic Cancer Organoids.
Yusuke Ishida; Toshiyuki Tsunoda; Yoshihiro Hamada; Naoaki Tsuchiya; Takehiko Koga; Takanori Kitaguchi; Keisuke Matsumoto; Shinji Matsumoto; Takahide Sasaki; Ryo Nakashima; Fuminori Ishii; Masatoshi Kajiwara; Senji Shirasawa; Suguru Hasegawa; Fumihito Hirai
Anticancer research, 2022年08月

Endoscopic ultrasound-guided choledochoduodenostomy without fistula dilation using a stent with a 5.9-Fr delivery system: Comparison to a conventional procedure with fistula dilation.
Takehiko Koga; Susumu Hijioka; Yosikuni Nagashio; Akihiro Ohba; Yuta Maruki; Motohiro Yoshinari; Yuya Hisada; Shota Harai; Hidetoshi Kitamura; Kosuke Maehara; Yumi Murashima; Yuki Kawasaki; Shun Kawahara; Kotaro Takeshita; Natsumi Yamada; Tomoyuki Satake; Shunsuke Kondo; Chigusa Morizane; Hideki Ueno; Takuji Okusaka; Yutaka Saito
DEN open, 2022年04月

Endoscopic ultrasound-guided choledochoduodenostomy without fistula dilation using a novel fully covered metallic stent with a 5.9-Fr ultra-thin delivery system.
Takehiko Koga; Susumu Hijioka; Yuya Hisada; Yuta Maruki; Yoshikuni Nagashio; Takuji Okusaka; Yutaka Saito
Endoscopy, 2021年06月

Duckbill-type antireflux self-expandable metal stent placement for post-choledochojejunostomy reflux cholangitis.
Takehiko Koga; Susumu Hijioka; Yasutake Ishikawa; Kimiteru Ito; Shota Harai; Takuji Okusaka; Yutaka Saito
Endoscopy, 2021年05月

Post-endoscopic retrograde cholangiopancreatography pancreatitis in single-stage endoscopic common bile duct stone removal.
Hirokazu Saito; Takehiko Koga; Masafumi Sakaguchi; Yoshihiro Kadono; Kentaro Kamikawa; Atsushi Urata; Haruo Imamura; Shuji Tada; Tatsuyuki Kakuma; Ikuo Matsushita
JGH open : an open access journal of gastroenterology and hepatology, 2020年06月

Safety and Efficacy of Endoscopic Removal of Common Bile Duct Stones in Elderly Patients ≥90 Years of Age.
Hirokazu Saito; Takehiko Koga; Masafumi Sakaguchi; Yoshihiro Kadono; Kentaro Kamikawa; Atsushi Urata; Haruo Imamura; Shuji Tada; Tatsuyuki Kakuma; Ikuo Matsushita
Internal medicine (Tokyo, Japan), 2019年08月01日

Post-endoscopic retrograde cholangiopancreatography pancreatitis in patients with asymptomatic common bile duct stones.
Hirokazu Saito; Takehiko Koga; Masafumi Sakaguchi; Yoshihiro Kadono; Kentaro Kamikawa; Atsushi Urata; Haruo Imamura; Shuji Tada; Tatsuyuki Kakuma; Ikuo Matsushita
Journal of gastroenterology and hepatology, 2019年07月

[Clinical examination of cases of radiation proctitis after intensity-modulated radiation therapy for prostate cancer].
Shinichiro Suko; Hiroyuki Eguchi; Kenichi Yoshida; Masayoshi Uehara; Hisashi Itoshima; Takehiko Koga; Masatake Muraoka; Koichi Kudo; Kentaro Kamikawa; Haruo Imamura
Nihon Shokakibyo Gakkai zasshi = The Japanese journal of gastro-enterology, 2015年07月