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K. Okimoto · SciRah

Researcher profile · Semantic Scholar

K. Okimoto

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K. Okimoto — researcher profile on SciRah

h-index: 20
Works: 181
Citations: 1,248

Most-cited papers

Efficacy of Texture and Color Enhancement Imaging in visualizing gastric mucosal atrophy and gastric neoplasms
Tsubasa Ishikawa, T. Matsumura, K. Okimoto, Ariki Nagashima +10 more
2021Scientific Reports56 citations Open access
Semantic Scholar
Texture and color enhancement imaging versus high definition white-light endoscopy for detection of colorectal neoplasia: a randomized trial
G. Antonelli, G. Bevivino, S. Pecere, A. Ebigbo +22 more
2023Endoscopy35 citations
Semantic Scholar
The utility of underwater endoscopic mucosal resection for nonpolypoid superficial nonampullary duodenal epithelial tumors ≤20 mm.
K. Okimoto, D. Maruoka, T. Matsumura, Kengo Kanayama +9 more
2021Gastrointestinal Endoscopy25 citations
Semantic Scholar
Development and evaluation of a double-check support system using artificial intelligence in endoscopic screening for gastric cancer
H. Oura, T. Matsumura, Mai Fujie, Tsubasa Ishikawa +16 more
2021Gastric Cancer21 citations Open access
Semantic Scholar
Long‐term outcomes of cold snare polypectomy for superficial non‐ampullary duodenal epithelial tumors
K. Okimoto, D. Maruoka, T. Matsumura, Wataru Shiratori +13 more
2021Journal of Gastroenterology and Hepatology17 citations
Semantic Scholar
Diagnostic value of adding magnifying chromoendoscopy to magnifying narrow-band imaging endoscopy for colorectal polyps.
T. Matsumura, A. Ebigbo, C. Römmele, H. Ikematsu +19 more
2023Clinical Gastroenterology and Hepatology14 citations
Semantic Scholar
Long-Term Course of Gastric Submucosal Tumors: Growth Speed and Size-Increasing Factors.
Wataru Shiratori, T. Matsumura, K. Okimoto, Naoki Akizue +21 more
2023Gastrointestinal Endoscopy12 citations
Semantic Scholar
Magnified endoscopy with texture and color enhanced imaging with indigo carmine for superficial nonampullary duodenal tumor: a pilot study
K. Okimoto, T. Matsumura, D. Maruoka, A. Kurosugi +11 more
2022Scientific Reports12 citations Open access
Semantic Scholar
Utility of prophylactic clipping after colorectal cold snare polypectomy in patients on oral antithrombotic agents.
Naoki Akizue, K. Okimoto, T. Matsumura, Keisuke Matsusaka +12 more
2024Gastrointestinal Endoscopy10 citations
Semantic Scholar
Long-term vonoprazan administration causes gastric fundic gland-type hyperplastic polyps and chronic bleeding
Chihiro Goto, K. Okimoto, K. Matsusaka, T. Matsumura +6 more
2022Clinical Journal of Gastroenterology10 citations
Semantic Scholar
Comparison of endoscopic submucosal dissection and modified endoscopic mucosal resection for rectal neuroendocrine tumors
Y. Kitagawa, Takuto Suzuki, A. Miyakawa, K. Okimoto +7 more
2025Scientific Reports8 citations Open access
Semantic Scholar
Characteristics of factors contributing to follow-up for suspect delayed bleeding after colorectal endoscopic submucosal dissection.
Satsuki Takahashi, K. Okimoto, T. Matsumura, Yuhei Oyama +13 more
2024Gastrointestinal Endoscopy8 citations
Semantic Scholar
Clinical Features Focusing on Extraintestinal Manifestations in Japanese Patients with Inflammatory Bowel Diseases: Far East 1000
Yuki Ohta, Takashi Taida, J. Kato, S. Ogasawara +25 more
2023Digestion8 citations
Semantic Scholar
Severe ulcerative colitis induced by COVID-19 vaccination
Takashi Taida, J. Kato, Kentaro Ishikawa, Naoki Akizue +6 more
2024Clinical Journal of Gastroenterology7 citations Open access
Semantic Scholar
Outcomes for Underwater Endoscopic Mucosal Resection and Endoscopic Submucosal Dissection of 21–30-mm Colorectal Polyps: A Feasible Study
K. Okimoto, T. Matsumura, Keisuke Matsusaka, Yosuke Inaba +12 more
2023Digestive Diseases and Sciences7 citations
Semantic Scholar
Treatment strategy changes for inflammatory bowel diseases in biologic era: results from a multicenter cohort in Japan, Far East 1000
Takashi Taida, Yuki Ohta, J. Kato, S. Ogasawara +37 more
2023Scientific Reports7 citations Open access
Semantic Scholar
The appropriate selection of endoscopic resection for superficial nonampullary duodenal adenomas in association with recurrence.
K. Okimoto, D. Maruoka, T. Matsumura, Kengo Kanayama +8 more
2022Gastrointestinal Endoscopy7 citations
Semantic Scholar
The long-term effect of biologics in patients with ulcerative colitis emerging from a large Japanese cohort
Yuya Yokoyama, Yuki Ohta, S. Ogasawara, J. Kato +22 more
2022Scientific Reports7 citations Open access
Semantic Scholar
A novel self-assembling peptide as new submucosal injection solution in endoscopic submucosal dissection
K. Okimoto, T. Matsumura, Tsubasa Ishikawa, Shohei Mukai +12 more
2025Surgical Endoscopy5 citations Open access
Semantic Scholar
Clinical Characteristics of Esophageal Motility Disorders in Patients With Heartburn
Satsuki Takahashi, T. Matsumura, Tatsuya Kaneko, Mamoru Tokunaga +15 more
2021Journal of Neurogastroenterology and Motility4 citations Open access
Semantic Scholar
Efficacy of Magnifying Texture and Color Enhancement Imaging With Indigo Carmine as an Alternative to Crystal Violet for Colorectal Tumors
Tsubasa Ishikawa, K. Okimoto, T. Matsumura, Naoki Akizue +9 more
2025Journal of Gastroenterology and Hepatology3 citations
Semantic Scholar
Intensive triamcinolone acetonide injection regimen can highly prevent stricture after extensive esophageal endoscopic submucosal dissection
K. Okimoto, T. Matsumura, Naoki Akizue, Satsuki Takahashi +12 more
2024Scandinavian Journal of Gastroenterology3 citations
Semantic Scholar
Clinical outcomes and reintervention after endoscopic retrograde cholangiopancreatography in primary sclerosing cholangitis in absence of cholangitis
Ryosuke Horio, J. Kato, Takashi Taida, Yuki Ohta +19 more
2024Indian Journal of Gastroenterology3 citations Open access
Semantic Scholar
Risk factors of unintentional piecemeal resection in endoscopic mucosal resection for colorectal polyps ≥ 10 mm
Tsubasa Ishikawa, K. Okimoto, T. Matsumura, S. Ogasawara +20 more
2024Scientific Reports3 citations Open access
Semantic Scholar
Impact of Artificial Intelligence‐Assisted Endoscopy on Screening for Upper Gastrointestinal Cancer in a Large‐Scale Health Screening Facility
Chihiro Goto, Ryo Nakagawa, Ryosuke Horio, A. Kurosugi +7 more
2026Digestive Endoscopy2 citations Open access
Semantic Scholar
Usefulness of Novel Image-Enhanced Endoscopy for Predicting Maintenance of Clinical Remission in Ulcerative Colitis
Yukiyo Mamiya, Takashi Taida, J. Kato, Keisuke Matsusaka +26 more
2025Digestive Diseases and Sciences2 citations Open access
Semantic Scholar
Computer-aided diagnosis system for predicting deeply invasive colorectal cancer: a comparison with a prospective study using magnifying chromoendoscopy
T. Matsumura, Mai Fujie, Yukihiro Nomura, K. Okimoto +9 more
2025Surgical Endoscopy2 citations Open access
Semantic Scholar
Comparison of the preventive effects of proton pump inhibitors and vonoprazan on delayed bleeding after gastric endoscopic submucosal dissection
Shohei Mukai, K. Okimoto, T. Matsumura, Tsubasa Ishikawa +14 more
2025Therapeutic Advances in Gastroenterology2 citations Open access
Semantic Scholar
Two onset types of achalasia and the long-term course to diagnosis
A. Kurosugi, T. Matsumura, Michiko Sonoda, Tatsuya Kaneko +18 more
2024Esophagus2 citations Open access
Semantic Scholar
Differences Between Patients with Heartburn Refractory to Vonoprazan and Those Refractory to Proton Pump Inhibitors
T. Matsumura, Michiko Sonoda, K. Okimoto, H. Dao +12 more
2024Digestive Diseases and Sciences2 citations Open access
Semantic Scholar
Underwater modified strip biopsy for colorectal polyp invading into the appendiceal orifice
Miyuki Iwasaki, K. Okimoto, Naoki Akizue, Yukio Ota +4 more
2024VideoGIE2 citations Open access
Semantic Scholar
Gel immersion EMR for hemorrhagic gastric hyperplastic polyp
Naoki Akizue, K. Okimoto, T. Matsumura, Keisuke Matsusaka +2 more
2024VideoGIE2 citations Open access
Semantic Scholar
Successful closure of large mucosal defect with novel anchor-pronged clip after gastric endoscopic submucosal dissection
K. Okimoto, T. Matsumura, Keisuke Matsusaka, Yuki Ohta +3 more
2024Endoscopy2 citations Open access
Semantic Scholar
Gel immersion endoscopic mucosal resection for pedunculated Brunner’s gland hyperplasia in the duodenal bulb near the pylorus
Chihiro Goto, K. Okimoto, T. Matsumura, Naoki Akizue +3 more
2023Endoscopy2 citations Open access
Semantic Scholar
Endoscopic submucosal dissection for early gastric cancer, using a disposable endoscope
K. Okimoto, T. Matsumura, Mai Fujie, Naoki Akizue +3 more
2023Endoscopy2 citations Open access
Semantic Scholar
Validity of pathological diagnosis for early colorectal cancer in genetic background
K. Okimoto, Yosuke Hirotsu, M. Arai, Kenji Amemiya +17 more
2023Cancer Medicine2 citations Open access
Semantic Scholar
Endoscopic band ligation for the removal of colonic polyp invading the diverticulum
K. Okimoto, T. Matsumura, Naoki Akizue, Yuki Ohta +3 more
2022Endoscopy2 citations Open access
Semantic Scholar
Comprehensive mutational analysis of background mucosa in patients with Lugol‐voiding lesions
Naoki Akizue, K. Okimoto, M. Arai, Yosuke Hirotsu +18 more
2021Cancer Medicine2 citations Open access
Semantic Scholar
Long‐Term Outcomes of Gastric Subepithelial Lesion of < 2 cm and Risk Factors for Tumor Growth
Miyuki Iwasaki, T. Matsumura, K. Okimoto, Yuhei Ohyama +16 more
2025Journal of Gastroenterology and Hepatology1 citations
Semantic Scholar
The Relationship Between Esophageal Motility Disorders and Varicella Zoster Virus: A Study Using Salivary DNA
Satsuki Takahashi, T. Matsumura, Michiko Sonoda, Tatsuya Kaneko +9 more
2025Digestive Diseases and Sciences1 citations Open access
Semantic Scholar
Risk factors for clinical relapse in patients with ulcerative colitis who are in clinical remission but with endoscopic activity
Ryosuke Horio, J. Kato, Yuki Ohta, Takashi Taida +18 more
2024JGH Open1 citations Open access
Semantic Scholar
A prediction model of abnormal acid reflux in gastroesophageal reflux disease
Michiko Sonoda, T. Matsumura, H. Dao, Yuki Shiko +20 more
2024Journal of Gastroenterology and Hepatology1 citations
Semantic Scholar
Novel self-assembling peptide for management of bleeding associated with colorectal angiodysplasia
K. Okimoto, T. Matsumura, Naoki Akizue, Yuki Ohta +3 more
2024Endoscopy1 citations Open access
Semantic Scholar
Successful prevention of balloon dilatation after complete circumferential endoscopic submucosal dissection including long-segment Barrett’s esophagus
K. Okimoto, T. Matsumura, Keisuke Matsusaka, Yuki Ohta +3 more
2024Endoscopy1 citations Open access
Semantic Scholar
Carcinogenic potential in regenerated mucosa after endoscopic resection of esophageal squamous cell carcinoma
Naoki Akizue, K. Okimoto, Yosuke Hirotsu, Kenji Amemiya +13 more
2023Journal of Gastroenterology and Hepatology1 citations
Semantic Scholar
Anti‐TNFα antibody versus non‐anti‐TNFα molecular agents for ulcerative colitis patients who failed initial anti‐TNFα therapy
Kengo Kanayama, J. Kato, Wataru Shiratori, Ariki Nagashima +13 more
2022Journal of Gastroenterology and Hepatology1 citations Open access
Semantic Scholar
Diagnostic performance of indigo carmine-assisted texture and color enhanced magnified imaging for superficial non-ampullary duodenal epithelial tumors
K. Okimoto, Keisuke Matsusaka, T. Matsumura, Tsubasa Ishikawa +11 more
2026Therapeutic Advances in Gastroenterology0 citations Open access
Semantic Scholar
Successful electrohydraulic lithotripsy of an enterolith in Crohn’s disease using a small-caliber double-balloon endoscope
Yuko Murashima, Ryosuke Horio, Yuki Ohta, Takashi Taida +3 more
2026Endoscopy0 citations Open access
Semantic Scholar
Superficial non-ampullary duodenal epithelial tumors resembling colorectal traditional serrated adenoma with features identified by texture and color enhancement imaging with indigo carmine.
K. Okimoto, Keisuke Matsusaka, T. Matsumura, Tsubasa Ishikawa +4 more
2026Clinical Endoscopy0 citations Open access
Semantic Scholar
Real-World Efficacy of Ustekinumab versus Vedolizumab for Ulcerative Colitis: Differences between Short- and Long-Term Outcomes Based on Endoscopic Remission
Makoto Furuya, Jun Kato, K. Takeuchi, Kento Shimizu +13 more
2026Inflammatory Intestinal Diseases0 citations Open access
Semantic Scholar

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