Takehiko Koga

Publication Activity (10 Years)

Years Active: 2021-2024
Publications (10 Years): 24

Top Topics

Diffusion Weighted

Endoscopic Submucosal Dissection

Fine Needle Aspiration

Top Venues

Abdominal radiology (New York)

Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society

Journal of gastroenterology and hepatology

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

Publications

Shota Harai, Susumu Hijioka, Reiko Yamada, Takeshi Ogura, Mitsuharu Fukasawa, Atsushi Okuda, Hideyuki Horike, Dai Inoue, Masanari Sekine, Yusuke Ishida, Takehiko Koga, Hidetoshi Kitamura, Yasuhito Tanaka, Motohiro Yoshinari, Katsumasa Kobayashi, Mark Chatto, Daiki Yamashige, Yuki Kawasaki, Yoshikuni Nagashio, Takuji Okusaka
Safety of biliary drainage with 6-mm metallic stent for preoperative obstructive jaundice in pancreatic cancer: PURPLE SIX STUDY. Journal of gastroenterology and hepatology 39 (7) (2024)
Shota Harai, Susumu Hijioka, Reiko Yamada, Takeshi Ogura, Mitsuharu Fukasawa, Atsushi Okuda, Hideyuki Horike, Dai Inoue, Masanari Sekine, Yusuke Ishida, Takehiko Koga, Hidetoshi Kitamura, Yasuhito Tanaka, Motohiro Yoshinari, Katsumasa Kobayashi, Mark Chatto, Daiki Yamashige, Yuki Kawasaki, Yoshikuni Nagashio, Takuji Okusaka
Safety of biliary drainage with 6-mm metallic stent for preoperative obstructive jaundice in pancreatic cancer: PURPLE SIX STUDY. Journal of gastroenterology and hepatology (2024)
Takehiko Koga, Naoaki Tsuchiya, Yusuke Ishida, Takanori Kitaguchi, Keisuke Matsumoto, Makoto Fukuyama, Satoki Kojima, Norihiro Kojima, Fumihito Hirai
Structural factors influencing the clinical performance of 0.025-inch guidewires for pancreatobiliary endoscopy: An experimental study. Endoscopy international open 12 (5) (2024)
Takehiko Koga, Yusuke Ishida, Fumihito Hirai
Pigtail trap: Stent migration crisis following endoscopic ultrasound-guided gallbladder drainage. Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society (2024)
Takehiko Koga, Yusuke Ishida, Fumihito Hirai
Pigtail trap: Stent migration crisis following endoscopic ultrasound-guided gallbladder drainage. Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society 36 (4) (2024)
Takehiko Koga, Naoaki Tsuchiya, Yusuke Ishida, Takanori Kitaguchi, Keisuke Matsumoto, Makoto Fukuyama, Satoki Kojima, Norihiro Kojima, Fumihito Hirai
Structural factors influencing the clinical performance of 0.025-inch guidewires for pancreatobiliary endoscopy: An experimental study. Endoscopy international open 12 (5) (2024)
Takehiko Koga, Hiroshi Yamada, Yusuke Ishida, Naoaki Tsuchiya, Takanori Kitaguchi, Keisuke Matsumoto, Makoto Fukuyama, Norihiro Kojima, Fumihito Hirai
Radial force and wire structure determine the onset of covered self-expandable metal stent migration in endoscopic ultrasound-guided hepaticogastrostomy: Measurement of sliding-resistance force using a porcine model. Journal of hepato-biliary-pancreatic sciences (2024)
Takehiko Koga, Yusuke Ishida, Fumihito Hirai
Pigtail trap: Stent migration crisis following endoscopic ultrasound-guided gallbladder drainage. Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society 36 (4) (2024)
Takehiko Koga, Yusuke Ishida, Hiroto Ishikawa, Yukiya Kishimoto, Satoki Kojima, Masayuki Okabe, Fumihito Hirai
Endoscopic transpapillary repositioning of a migrated cystic duct tube using a gooseneck snare technique. Endoscopy 55 (S 01) (2023)
Takehiko Koga, Yusuke Ishida, Hiroto Ishikawa, Yukiya Kishimoto, Satoki Kojima, Masayuki Okabe, Fumihito Hirai
Endoscopic transpapillary repositioning of a migrated cystic duct tube using a gooseneck snare technique. Endoscopy 55 (S 01) (2023)
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
High predictive ability of apparent diffusion coefficient value for wall-invasion pattern of advanced gallbladder carcinoma. Abdominal radiology (New York) 48 (3) (2023)
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
High predictive ability of apparent diffusion coefficient value for wall-invasion pattern of advanced gallbladder carcinoma. Abdominal radiology (New York) 48 (3) (2023)
Takehiko Koga, Yusuke Ishida, Hiroto Ishikawa, Yukiya Kishimoto, Satoki Kojima, Masayuki Okabe, Fumihito Hirai
Endoscopic transpapillary repositioning of a migrated cystic duct tube using a gooseneck snare technique. Endoscopy 55 (S 01) (2023)
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
High predictive ability of apparent diffusion coefficient value for wall-invasion pattern of advanced gallbladder carcinoma. Abdominal radiology (New York) 48 (3) (2023)
Takehiko Koga, Yusuke Ishida, Naoaki Tsuchiya, Takanori Kitaguchi, Takashi Kurogi, Yasuharu Shimoji, Fumihito Hirai
Novel hemostatic option using self-assembling peptide gel for endoscopic necrosectomy-related bleeding. Endoscopy 55 (S 01) (2023)
Takehiko Koga, Yusuke Ishida, Naoaki Tsuchiya, Takanori Kitaguchi, Takashi Kurogi, Yasuharu Shimoji, Fumihito Hirai
Novel hemostatic option using self-assembling peptide gel for endoscopic necrosectomy-related bleeding. Endoscopy 55 (S 01) (2023)
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
High predictive ability of apparent diffusion coefficient value for wall-invasion pattern of advanced gallbladder carcinoma. Abdominal radiology (New York) 48 (3) (2023)
Takehiko Koga, Yusuke Ishida, Naoaki Tsuchiya, Takanori Kitaguchi, Takashi Kurogi, Yasuharu Shimoji, Fumihito Hirai
Novel hemostatic option using self-assembling peptide gel for endoscopic necrosectomy-related bleeding. Endoscopy 55 (S 01) (2023)
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
High predictive ability of apparent diffusion coefficient value for wall-invasion pattern of advanced gallbladder carcinoma. Abdominal radiology (New York) 48 (3) (2023)
Yusuke Ishida, Takehiko Koga, Naoaki Tsuchiya, Kaori Hata, Kei Nishioka, Noriko Shiga, Fumihito Hirai
Successful removal of a migrated biliary plastic stent using a novel spiral dilator. Endoscopy 55 (S 01) (2023)
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
High predictive ability of apparent diffusion coefficient value for wall-invasion pattern of advanced gallbladder carcinoma. Abdominal radiology (New York) (2023)
Takehiko Koga, Yusuke Ishida, Fumihito Hirai
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). Journal of hepato-biliary-pancreatic sciences 29 (8) (2022)
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
Fine-needle biopsy with 19G needle is effective in combination with endoscopic ultrasound-guided tissue acquisition for genomic profiling of unresectable pancreatic cancer. Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society (2022)
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
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. DEN open 2 (1) (2021)