Ken Ohata

Early gastric cancer detection in high-risk patients: a multicentre randomised controlled trial on the effect of second-generation narrow band imaging

Naohiro Yoshida, Hisashi Doyama, Tomonori Yano et al. · Gut · 2020 · 149 citations · Full text

Long-term Outcomes After Endoscopic Submucosal Dissection for Large Colorectal Epithelial Neoplasms: A Prospective, Multicenter, Cohort Trial From Japan

Ken Ohata, Nozomu Kobayashi, Eiji Sakai et al. · Gastroenterology · 2022 · 111 citations

Cohort Trial, Colorectal Surgery, Medicine +7

Efficacy of an over-the-scope clip for preventing adverse events after duodenal endoscopic submucosal dissection: a prospective interventional study

Tomoaki Tashima, Ken Ohata, Eiji Sakai et al. · Endoscopy · 2018 · 105 citations

Outcomes of endoscopic resection for superficial duodenal tumors: 10 years’ experience in 18 Japanese high volume centers

Motohiko Kato, Yoji Takeuchi, Shu Hoteya et al. · Endoscopy · 2021 · 101 citations

Outcomes of endoscopic submucosal dissection for colorectal neoplasms: Prospective, multicenter, cohort trial

Nozomu Kobayashi, Yoji Takeuchi, Ken Ohata et al. · Digestive Endoscopy · 2021 · 92 citations