Haruka Toyonaga

Publication Activity (10 Years)

Years Active: 2019-2024
Publications (10 Years): 60

Top Topics

Diffusion Weighted

Ultrasound Guided

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

Haruka Toyonaga, Tusyoshi Hayashi, Masayo Motoya, Toshifumi Kin, Kuniyuki Takahashi, Akio Katanuma
Efficacy of a novel drill dilator in overcoming severe biliary strictures with balloon enteroscopy. Endoscopy 56 (S 01) (2024)
Kazuki Hama, Haruka Toyonaga, Tatsuya Ishii, Masayo Motoya, Toshifumi Kin, Tusyoshi Hayashi, Akio Katanuma
Enhancing visibility and hemostasis during necrosectomy for walled-off necrosis: the "dual-gel method". Endoscopy 56 (S 01) (2024)
Haruka Toyonaga, Tusyoshi Hayashi, Masayo Motoya, Toshifumi Kin, Kuniyuki Takahashi, Akio Katanuma
Efficacy of a novel drill dilator in overcoming severe biliary strictures with balloon enteroscopy. Endoscopy 56 (S 01) (2024)
Kazuki Hama, Haruka Toyonaga, Tatsuya Ishii, Masayo Motoya, Toshifumi Kin, Tusyoshi Hayashi, Akio Katanuma
Enhancing visibility and hemostasis during necrosectomy for walled-off necrosis: the "dual-gel method". Endoscopy 56 (S 01) (2024)
Haruka Toyonaga, Tsuyoshi Hayashi, Kazuki Hama, Ryo Ando, Tatsuya Ishii, Kenta Yoshida, Toshifumi Kin, Masayo Motoya, Kuniyuki Takahashi, Akio Katanuma
Recent advancements in image-enhanced endoscopy in the pancreatobiliary field. DEN open 5 (1) (2024)
Haruka Toyonaga, Tusyoshi Hayashi, Kazuki Hama, Toshifumi Kin, Masayo Motoya, Kuniyuki Takahashi, Akio Katanuma
Novel grasp-and-snare technique for efficient endoscopic necrosectomy of walled-off necrosis. Endoscopy 56 (S 01) (2024)
Haruka Toyonaga, Tusyoshi Hayashi, Masayo Motoya, Toshifumi Kin, Kuniyuki Takahashi, Akio Katanuma
Enhancing visualization with low echo reduction during endoscopic ultrasound-guided pancreatic duct drainage. Endoscopy 56 (S 01) (2024)
Haruka Toyonaga, Tusyoshi Hayashi, Kazuki Hama, Toshifumi Kin, Masayo Motoya, Kuniyuki Takahashi, Akio Katanuma
Gel immersion technique in interventional endoscopic ultrasound for pancreatobiliary lesions. Endoscopy 56 (S 01) (2024)
Haruka Toyonaga, Tusyoshi Hayashi, Kazuki Hama, Toshifumi Kin, Masayo Motoya, Kuniyuki Takahashi, Akio Katanuma
Gel immersion technique in interventional endoscopic ultrasound for pancreatobiliary lesions. Endoscopy 56 (S 01) (2024)
Haruka Toyonaga, Toshifumi Kin, Hajime Yamazaki, Ryo Ando, Kosuke Iwano, Risa Nakamura, Tatsuya Ishii, Tusyoshi Hayashi, Kuniyuki Takahashi, Akio Katanuma
Visibility of the biliary orifice after precut papillotomy: Comparison between white light imaging and texture and color enhancement imaging. Journal of hepato-biliary-pancreatic sciences 31 (8) (2024)
Haruka Toyonaga, Toshifumi Kin, Hajime Yamazaki, Ryo Ando, Kosuke Iwano, Risa Nakamura, Tatsuya Ishii, Tusyoshi Hayashi, Kuniyuki Takahashi, Akio Katanuma
Visibility of the biliary orifice after precut papillotomy: Comparison between white light imaging and texture and color enhancement imaging. Journal of hepato-biliary-pancreatic sciences 31 (8) (2024)
Kenta Yoshida, Haruka Toyonaga, Tusyoshi Hayashi, Masayo Motoya, Toshifumi Kin, Kuniyuki Takahashi, Akio Katanuma
Endoscopic retrieval of the torn pancreatic stent by pushing out through the EUS-PD fistula tract. Journal of hepato-biliary-pancreatic sciences (2024)
Haruka Toyonaga, Tusyoshi Hayashi, Masayo Motoya, Toshifumi Kin, Kuniyuki Takahashi, Akio Katanuma
Enhancing visualization with low echo reduction during endoscopic ultrasound-guided pancreatic duct drainage. Endoscopy 56 (S 01) (2024)
Haruka Toyonaga, Toshifumi Kin, Hajime Yamazaki, Ryo Ando, Kosuke Iwano, Risa Nakamura, Tatsuya Ishii, Tusyoshi Hayashi, Kuniyuki Takahashi, Akio Katanuma
Visibility of the biliary orifice after precut papillotomy: Comparison between white light imaging and texture and color enhancement imaging. Journal of hepato-biliary-pancreatic sciences (2024)
Kazuki Hama, Haruka Toyonaga, Tatsuya Ishii, Masayo Motoya, Toshifumi Kin, Tusyoshi Hayashi, Akio Katanuma
Enhancing visibility and hemostasis during necrosectomy for walled-off necrosis: the "dual-gel method". Endoscopy 56 (S 01) (2024)
Haruka Toyonaga, Akio Katanuma
Texture and color enhancement imaging for biliary cannulation via balloon enteroscopy in patients with surgically altered anatomy. Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society (2024)
Haruka Toyonaga, Tusyoshi Hayashi, Kazuki Hama, Toshifumi Kin, Masayo Motoya, Kuniyuki Takahashi, Akio Katanuma
Novel grasp-and-snare technique for efficient endoscopic necrosectomy of walled-off necrosis. Endoscopy 56 (S 01) (2024)
Haruka Toyonaga, Tusyoshi Hayashi, Masayo Motoya, Toshifumi Kin, Kuniyuki Takahashi, Akio Katanuma
Enhancing visualization with low echo reduction during endoscopic ultrasound-guided pancreatic duct drainage. Endoscopy 56 (S 01) (2024)
Kazuki Hama, Haruka Toyonaga, Tatsuya Ishii, Masayo Motoya, Toshifumi Kin, Tusyoshi Hayashi, Akio Katanuma
Enhancing visibility and hemostasis during necrosectomy for walled-off necrosis: the "dual-gel method". Endoscopy 56 (S 01) (2024)
Haruka Toyonaga, Tusyoshi Hayashi, Masayo Motoya, Toshifumi Kin, Kuniyuki Takahashi, Akio Katanuma
Efficacy of a novel drill dilator in overcoming severe biliary strictures with balloon enteroscopy. Endoscopy 56 (S 01) (2024)
Haruka Toyonaga, Tsuyoshi Hayashi, Kazuki Hama, Ryo Ando, Tatsuya Ishii, Kenta Yoshida, Toshifumi Kin, Masayo Motoya, Kuniyuki Takahashi, Akio Katanuma
Recent advancements in image-enhanced endoscopy in the pancreatobiliary field. DEN open 5 (1) (2024)
Kazuki Hama, Haruka Toyonaga, Kosuke Iwano, Tatsuya Ishii, Toshifumi Kin, Tusyoshi Hayashi, Akio Katanuma
Gel immersion cannulation during hemostasis of post-endoscopic sphincterotomy bleeding. Endoscopy 55 (S 01) (2023)
Haruka Toyonaga, Tusyoshi Hayashi, Toshifumi Kin, Masayo Motoya, Kuniyuki Takahashi, Akio Katanuma
Novel low echo reduction function reduces artifacts in endoscopic ultrasound observation of the gallbladder. Endoscopy 55 (S 01) (2023)
Tatsuya Ishii, Tusyoshi Hayashi, Hajime Yamazaki, Risa Nakamura, Kosuke Iwano, Ryo Ando, Haruka Toyonaga, Toshifumi Kin, Kuniyuki Takahashi, Akio Katanuma
Risk factors for early and late cholecystitis after covered metal stent placement for distal biliary obstruction. Journal of hepato-biliary-pancreatic sciences (2023)
Kazuki Hama, Haruka Toyonaga, Kosuke Iwano, Tatsuya Ishii, Toshifumi Kin, Tusyoshi Hayashi, Akio Katanuma
Gel immersion cannulation during hemostasis of post-endoscopic sphincterotomy bleeding. Endoscopy 55 (S 01) (2023)
Haruka Toyonaga, Masayo Motoya, Tusyoshi Hayashi, Toshifumi Kin, Kuniyuki Takahashi, Akio Katanuma
Two-channel endoscope re-intervention for stent dysfunction after interventional endoscopic ultrasonography: forceps stabilization of stent for cutting by argon plasma coagulation. Endoscopy 55 (S 01) (2023)
Haruka Toyonaga, Masayo Motoya, Tusyoshi Hayashi, Toshifumi Kin, Kuniyuki Takahashi, Akio Katanuma
Two-channel endoscope re-intervention for stent dysfunction after interventional endoscopic ultrasonography: forceps stabilization of stent for cutting by argon plasma coagulation. Endoscopy 55 (S 01) (2023)
Haruka Toyonaga, Tusyoshi Hayashi, Akio Katanuma
Usefulness of texture and color enhancement imaging in the endoscopic management of duodenal ampullary tumors. Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society (2023)
Haruka Toyonaga, Tusyoshi Hayashi, Kazuki Hama, Kosuke Iwano, Ryo Ando, Tatsuya Ishii, Toshifumi Kin, Masayo Motoya, Kuniyuki Takahashi, Akio Katanuma
The application of low echo reduction in endoscopic ultrasound-guided tissue acquisition for pancreatic mass lesions. Journal of hepato-biliary-pancreatic sciences (2023)
Haruka Toyonaga, Masayo Motoya, Tusyoshi Hayashi, Toshifumi Kin, Kuniyuki Takahashi, Akio Katanuma
Two-channel endoscope re-intervention for stent dysfunction after interventional endoscopic ultrasonography: forceps stabilization of stent for cutting by argon plasma coagulation. Endoscopy 55 (S 01) (2023)
Haruka Toyonaga, Tusyoshi Hayashi, Kazuki Hama, Kosuke Iwano, Ryo Ando, Tatsuya Ishii, Toshifumi Kin, Masayo Motoya, Kuniyuki Takahashi, Akio Katanuma
Tip-in endoscopic papillectomy for ampullary adenoma near diverticulum to minimize complications. Journal of hepato-biliary-pancreatic sciences (2023)
Haruka Toyonaga, Tusyoshi Hayashi, Toshifumi Kin, Masayo Motoya, Kuniyuki Takahashi, Akio Katanuma
Novel low echo reduction function reduces artifacts in endoscopic ultrasound observation of the gallbladder. Endoscopy 55 (S 01) (2023)
Haruka Toyonaga, Tusyoshi Hayashi, Masayo Motoya, Toshifumi Kin, Kuniyuki Takahashi, Akio Katanuma
Color overlay of contrast-enhanced endoscopic ultrasound for pancreaticobiliary disease. Endoscopy 55 (S 01) (2023)
Kazuki Hama, Haruka Toyonaga, Kosuke Iwano, Tatsuya Ishii, Toshifumi Kin, Tusyoshi Hayashi, Akio Katanuma
Gel immersion cannulation during hemostasis of post-endoscopic sphincterotomy bleeding. Endoscopy 55 (S 01) (2023)
Haruka Toyonaga, Tusyoshi Hayashi, Toshifumi Kin, Masayo Motoya, Kuniyuki Takahashi, Akio Katanuma
Novel low echo reduction function reduces artifacts in endoscopic ultrasound observation of the gallbladder. Endoscopy 55 (S 01) (2023)
Haruka Toyonaga, Tusyoshi Hayashi, Masayo Motoya, Toshifumi Kin, Kuniyuki Takahashi, Akio Katanuma
Advantages of the dual-channel multi-bending endoscope for ERCP in patients with Billroth II reconstruction. Endoscopy 55 (S 01) (2023)
Haruka Toyonaga, Tsuyoshi Hayashi, Akio Katanuma
Usefulness of a screw tip stent retriever as a dilator during side-by-side placement of multiple stents for malignant hilar biliary obstruction. Endoscopy 54 (12) (2022)
Haruka Toyonaga, Tusyoshi Hayashi, Toshifumi Kin, Kazuki Hama, Kosuke Iwano, Risa Nakamura, Akio Katanuma
Combination of ERCP with endoscopic ultrasound-guided hepaticogastrostomy and hepaticoduodenostomy for biliary drainage in malignant hilar biliary obstruction. Endoscopy (2022)
Haruka Toyonaga, Toshifumi Kin, Kosuke Iwano, Risa Nakamura, Takao Shimizu, Koki Chikugo, Tatsuya Ishii, Hiroshi Nasuno, Tsuyoshi Hayashi, Kuniyuki Takahashi, Hajime Yamazaki, Akio Katanuma
Efficacy of gel immersion endoscopic ultrasonography for delineating the duodenal papilla and pancreatobiliary ducts: A retrospective study with video. DEN open 3 (1) (2022)
Risa Nakamura, Haruka Toyonaga, Akio Katanuma
Feasibility of red dichromatic imaging in hemostasis for postendoscopic sphincterotomy bleeding. Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society 34 (7) (2022)
Haruka Toyonaga, Taku Harada, Akio Katanuma
Gel Immersion Endoscopic Mucosal Resection for a Large Non-Ampullary Duodenal Adenoma. The American journal of gastroenterology 117 (9) (2022)
Koki Chikugo, Tusyoshi Hayashi, Kazunari Tanaka, Toshifumi Kin, Haruka Toyonaga, Osamu Nasuno, Tatsuya Ishii, Kuniyuki Takahashi, Hajime Yamazaki, Akio Katanuma
Re-intervention with 10-mm vs 12-mm covered self-expandable metallic stent for recurrent unresectable distal biliary obstruction in patients with previous stent implantation. Journal of hepato-biliary-pancreatic sciences (2022)
Kosuke Iwano, Haruka Toyonaga, Tusyoshi Hayashi, Tatsuya Ishii, Toshifumi Kin, Kuniyuki Takahashi, Akio Katanuma
Acute cholangitis after over-the-scope clip placement involving the duodenal papilla that was rescued by antegrade stenting via the percutaneous transhepatic biliary drainage route. Endoscopy (2022)
Kosuke Iwano, Haruka Toyonaga, Akio Katanuma
Achieving hemostasis during endoscopic necrosectomy for walled-off pancreatic necrosis using gel immersion technique. Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society 34 (5) (2022)
Haruka Toyonaga, Toshifumi Kin, Tsuyoshi Hayashi, Kuniyuki Takahashi, Akio Katanuma
The application of texture and color enhancement imaging in transpapillary biliary cannulation. Endoscopy (2022)
Kosuke Iwano, Haruka Toyonaga, Tusyoshi Hayashi, Toshifumi Kin, Akio Katanuma
Tunnel creation method in endoscopic necrosectomy for walled-off pancreatic necrosis. Endoscopy (2022)
Haruka Toyonaga, Tusyoshi Hayashi, Risa Nakamura, Kosuke Iwano, Toshifumi Kin, Kuniyuki Takahashi, Akio Katanuma
Effective application of self-assembling peptide matrix with the gel immersion technique and red dichromatic imaging for hemostasis of postendoscopic sphincterotomy bleeding. Endoscopy (2022)
Haruka Toyonaga, Tusyoshi Hayashi, Kazuki Hama, Risa Nakamura, Kosuke Iwano, Kuniyuki Takahashi, Akio Katanuma
Rapid hemostasis using a self-assembling peptide matrix for midprocedural bleeding in endoscopic sphincterotomy. Endoscopy (2022)
Haruka Toyonaga, Toshifumi Kin, Kosuke Iwano, Risa Nakamura, Tatsuya Ishii, Kuniyuki Takahashi, Tusyoshi Hayashi, Satoshi Ota, Toshiya Shinohara, Akio Katanuma
Gel immersion endoscopic ultrasonography for ampullary tumors. Journal of hepato-biliary-pancreatic sciences (2022)
Kosuke Iwano, Haruka Toyonaga, Toshifumi Kin, Tatsuya Ishii, Akio Katanuma
Multiloop traction method during endoscopic hemostasis for post-sphincterotomy bleeding of the peridiverticular papilla. Endoscopy (2022)
Haruka Toyonaga, Toshifumi Kin, Risa Nakamura, Tatsuya Ishii, Kosuke Iwano, Kuniyuki Takahashi, Akio Katanuma
Successful detection of choledochojejunal and pancreaticojejunal anastomotic strictures using a novel form of texture and color enhancement imaging. Endoscopy (2022)
Haruka Toyonaga, Tusyoshi Hayashi, Hajime Yamazaki, Kazuki Hama, Kosuke Iwano, Risa Nakamura, Ryo Ando, Takao Shimizu, Tatsuya Ishii, Toshifumi Kin, Kuniyuki Takahashi, Akio Katanuma
Efficacy of pancreatic duct stenting to prevent postendoscopic retrograde cholangiopancreatography pancreatitis after covered self-expandable metal stent deployment. Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society (2022)
Haruka Toyonaga, Kuniyuki Takahashi, Toshifumi Kin, Tsuyoshi Hayashi, Akio Katanuma
Gel immersion technique for the examination and treatment of an ampullary tumor. Endoscopy (2021)
Haruka Toyonaga, Toshifumi Kin, Akio Katanuma
Endoscopic ultrasound examination of the intrapancreatic pancreatobiliary ducts using the gel immersion method in patients with periampullary duodenal diverticula. Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society 33 (6) (2021)
Haruka Toyonaga, Tsuyoshi Hayashi, Akio Katanuma
Response to the letter. Journal of hepato-biliary-pancreatic sciences (2021)
Haruka Toyonaga, Tsuyoshi Hayashi, Hidetaro Ueki, Kouki Chikugo, Tatsuya Ishii, Hiroshi Nasuno, Toshifumi Kin, Kuniyuki Takahashi, Minoru Takada, Yoshiyasu Ambo, Toshiya Shinohara, Hajime Yamazaki, Akio Katanuma
An intact boundary between the tumor and inner hypoechoic layer discriminates T1 lesions among sessile elevated gallbladder cancers. Journal of hepato-biliary-pancreatic sciences (2021)
Haruka Toyonaga, Tusyoshi Hayashi, Akio Katanuma
Single-balloon enteroscopy assisted successful removal of a migrated covered self-expandable metal stent for hepaticojejunostomy anastomotic stenosis. Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society 33 (3) (2020)
Haruka Toyonaga, Tusyoshi Hayashi, Akio Katanuma
Piercing technique via cholangioscopy for the reconstruction of complete anastomotic obstruction after choledochojejunostomy. Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society 32 (5) (2020)
Akio Katanuma, Tusyoshi Hayashi, Toshifumi Kin, Haruka Toyonaga, Shunsuke Honta, Kouki Chikugo, Hidetaro Ueki, Tastuya Ishii, Kuniyuki Takahashi
Interventional endoscopic ultrasonography in patients with surgically altered anatomy: Techniques and literature review. Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society 32 (2) (2019)
Haruka Toyonaga, Masashi Fukushima, Naoto Shimeno, Tetsuro Inokuma
Methotrexate-associated lymphoproliferative disorder in the stomach and duodenum: a case report. BMC gastroenterology 19 (1) (2019)