Faculty Information - NONAKA Kouichi

Books

Published papers

Academic conference presentation

Research areas

Awards & honors

Education

Academic & professional experience

（Last updated : 2026-02-17 10:54:24）

NONAKA Kouichi
Department School of Medicine(Tokyo Women's Medical University Hospital), School of Medicine

Position Professor

■ Books

Chapter contribution　

Endoscopic submucosal dissection for noninvasive early gastrointestinal cancers., Adenocarcinoma: Pathogenesis, Treatment and Prognosis. 2012

■ Published papers

1.	Original article	Novel method using a surgical glove for retrieving large specimens during colorectal endoscopic submucosal dissection. 2025/08
2.	Original article	Development of a colonic endoscopic submucosal dissection training model that simulates respiratory movements 2024/07
3.	Case report	A case of reflux laryngitis after iodine staining for esophageal squamous cell carcinoma 2024/04
4.	Original article	Endoscopic Features of Gastric Mucosa-Associated Lymphoid Tissue Lymphoma without Helicobacter pylori 2024/03
5.	Original article	Comparison of Endoscopic and Artificial Intelligence Diagnoses for Predicting the Histological Healing of Ulcerative Colitis in a Real-World Clinical Setting 2024/01
6.	Other	En bloc resection by polypectomy with over-the-scope clip for a neuroendocrine tumor located in a duodenal bulb pocket 2023/12
7.	Original article	How to manage adverse events after endoscopic resection of superficial duodenal epithelial tumors 2023/11
8.	Original article	Comparison of the Ability of Artificial-Intelligence-Based Computer-Aided Detection (CAD) Systems and Endoscopists to Detect Colorectal Neoplastic Lesions on Endoscopy Video 2023/07
9.	Case report	Endoscopic Image 2 Hours after PuraStat® Application: A Case of Achieving Hemostasis Using PuraStat® for Postgastric Lesion Biopsy Bleeding after Hemostatic Clips Failed. 2023/07
10.	Original article	Characteristics, Outcomes, and Risk Factors for Upper Gastrointestinal Bleeding in Inpatients - A Comparison with Outpatients 2023/05
11.	Case report	A case of gastric antral vascular ectasia in which PuraStat, a novel self-assembling peptide hemostatic hydrogel, was effective. 2023/04
12.	Original article	Case of polypectomy using S-O clip and over-the-scope clip for remnant recurrent sessile serrated lesion involving the appendiceal orifice after appendectomy. 2023/03
13.	Original article	Use of konjac in a novel colonic endoscopic submucosal dissection training model that is inexpensive and hygienic. 2022/11
14.	Review article	Endoscopic Features of Autoimmune Gastritis: Focus on Typical Images and Early Images 2022/06/19
15.	Original article	Current Status and Future Perspectives of Artificial Intelligence in Colonoscopy. 2022/05
16.	Case report	Gastric Signet-Ring Cell Carcinoma That Presented as an Elevated Lesion due to Fibromuscular Obliteration in the Lamina Propria. 2021/11
17.	Original article	Development of an animal model that reproduces pulsations for training in esophageal endoscopic submucosal dissection. 2021/10
18.	Case report	Emergency lower gastrointestinal endoscopy performed safely in a COVID-19 patient on extracorporeal membrane oxygenation (ECMO) with hemorrhagic shock. 2021/08
19.	Case report	Digestive endoscopic submucosal dissection training using konjac. 2021/07
20.	Case report	A case of early autoimmune gastritis with characteristic endoscopic findings. 2021/06
21.	Review article	Fundamentals, Diagnostic Capabilities and Perspective of Narrow Band Imaging for Early Gastric Cancer. 2021/06
22.	Review article	Prevention and Management of Complications and Education in Endoscopic Submucosal Dissection. 2021/06
23.	Original article	Safer local injection of triamcinolone acetonide for preventing post-endoscopic submucosal dissection esophageal stenosis. 2021/05
24.	Case report	Emergency upper gastrointestinal endoscopy performed safely in a patient with COVID-19 with suspected hemorrhagic shock. 2021/04
25.	Original article	Diagnosis of Biliary Strictures Using Probe-Based Confocal Laser Endomicroscopy under the Direct View of Peroral Cholangioscopy: Results of a Prospective Study (with Video). 2020
26.	Original article	Development of a new classification for in vivo diagnosis of duodenal epithelial tumors with confocal laser endomicroscopy –a pilot study- 2019
27.	Case report	Disappearance of a tumor that completely covered the appendiceal orifice by endoloop-assisted endoscopic strangulation. 2019
28.	Case report	Gastrointestinal: Successful endoscopic submucosal dissection assisted with endoloop for early appendiceal cancer that had everted into the cecal lumen. 2019
29.	Case report	Strictures after endoscopic submucosal dissection of the esophagus: Are the histopathological findings the same between human and porcine models? 2019
30.	Case report	Successful ex-vivo probe-based confocal laser endomicroscopy of a superficial nonampullary duodenal epithelial tumor with dripping of food additives: a case of tubular adenocarcinoma. 2019
31.	Case report	Successful traction-assisted endoscopic submucosal dissection using dental floss and a clip for a huge superficial nonampullary duodenal epithelial tumor with severe fibrosis 2019
32.	Case report	Unprecedented problems and troubleshooting during over-the-scope clip system use: Suction error and suture cutting procedure. 2019
33.	Case report	Use of curcumin solution for probe-based confocal laser endomicroscopy of squamous cell carcinoma of the esophagus. 2019
34.	Case report	Use of probe-based confocal laser endomicroscopy for colon adenomas with topical application of acrinol drops. 2019
35.	Case report	Confocal laser endomicroscopic finding of lymphoma of the duodenal papilla. 2018
36.	Original article	Efficacy of an over-the-scope clip for preventing adverse events after duodenal endoscopic submucosal dissection: a prospective interventional study. 2018
37.	Case report	EMR with an over-the-scope clip for superficial nonampullary duodenaol epithelial tumor with fibrosis. 2018
38.	Case report	Endoscopic omental patch using an over-the scope clip for ERCP-related large duodenal perforation. 2018
39.	Case report	Endoscopic purse-string suturing with multiple over-the-scope clips for closure of a large mucosal defect after duodenal endoscopic submucosal dissection. 2018
40.	Case report	In vivo diagnosis of intraductal papillary mucinous neoplasm with per-oral pancreatoscopy-guided confocal laser endomicroscopy. 2018
41.	Case report	Probe-based confocal laser endomicroscopy of the gastric mucosa with curcumin dipping. 2018
42.	Case report	Acute hemorrhagic gastritis after nivolumab treatment. Gastrointest Endosc. 2017
43.	Original article	Endoscopic submucosal dissection for laterally spreading tumors involving the appendiceal orifice. 2017
44.	Case report	Colorectal lymphoma which spontaneously regressed. 2016
45.	Case report	Confocal laser endomicroscopy carried out after oral intake of fluorescein sodium containing bath additives 2016
46.	Case report	Maiko Takita, Ken Ohata, Kouichi Nonaka, Shinichi Ban, Nobuyuki Matsuhashi. Usefulness of confocal laser endomicroscopy for the diagnosis of ileocecal lymphoma. Endoscopy 2016; 48 Suppl 1: E164-5 (PMID: 27116101) 2016
47.	Case report	Novel technique of endoscopic full-thickness resection for superficial nonampullary duodenal neoplasms to avoid intraperitoneal tumor dissemination. 2016
48.	Case report	Perforation during esophageal esophageal submucosal dissection resulting from idiopathic partial muscular defect. Endoscopy. 2016
49.	Original article	Usefulness of training using animal models for colorectal endoscopic submucosal dissection: is experience performing gastric ESD really needed? 2016
50.	Case report	Confocal laser endomicroscopic and magnifying narrow-band imaging findings of gastric mucosa-associated lymphoid tissue lymphoma. 2015
51.	Case report	Histopathological confirmation of similar intramucosal distribution of fluorescein in both intravenous administration and local mucosal application for probe-based confocal laser endomicroscopy of the normal stomach. 2015
52.	Case report	In vivo imaging of duodenal follicular lymphoma with confocal laser endomicroscopy 2015
53.	Case report	Simultaneous practice of narrow band imaging and confocal laser endomicroscopy for a case of early duodenal cancer. 2015
54.	Review article	Endoscopic Diagnosis of Gastric MALT Lymphoma 2014
55.	Case report	Feasibility of endoscopy-assisted laparoscopic full-thickness resection for superficial duodenal neoplasms. 2014
56.	Original article	Is narrow-band imaging useful for histological evaluation of gastric mucosa-associated lymphoid tissue lymphoma after treatment? 2014
57.	Case report	Probe-based confocal laser endomicroscopy of the duodenal mucosa with fluorescein dispersion. 2014
58.	Original article	Status of gastric mucosa with endoscopically diagnosed gastrointestinal stromal tumor. 2014
59.	Original article	Different healing process of esophageal large mucosal defects by endoscopic mucosa dissection between with and without steroid injection in an animal model. 2013
60.	Case report	Electrocautery therapy combined with oral steroid administration for refractory corrosive esophageal stenosisi prevents restenosis. 2013
61.	Review article	Endoscopic submucosal dissection for early gastric cancer 2013
62.	Case report	Narrow band imaging of adenocarcinoma arising from ectopic gastric mucosa in the upper esophagus 2013
63.	Case report	Shiitake mushroom-induced ileus managed using double balloon enteroscopy. 2013
64.	Case report	A case of gastric mucosa-associated lymphoid tissue lymohoma in which magnified endoscopy with narrow band imaging was useful it the diagnosis. 2012
65.	Original article	Endoscopic submucosal dissection for superficial esophageal neoplasms 2012
66.	Original article	Usefulness of the demarcation line in magnifying endoscopy with narrow band imaging for determining the expanded area of early-stage differentiated gastric carcinoma 2012
67.	Original article	Feasibility of Endoscopic Submucosal Dissection (ESD): a New Technique for en bloc Resection of a Large Superficial Tumor in the Colon and Rectum. 2011
68.	Case report	Narrow band imaging of interdigitating dendritic cell sarcoma originating in the duodenum 2011
69.	Original article	Prospective study of the evaluation of the usefulness of tumor typing by narrow band imaging for the differential diagnosis of gastric adenoma and well-differentiated adenocarcinoma 2011
70.	Case report	Magnifying endoscopic observation of mantle cell lymphoma in the stomach by using the narrow-band imaging system 2010
71.	Original article	Short term results of endoscopic submucosal dissection in superficial esophageal squamous cell neoplasms ; World J Gastrointest Endosc 2010
72.	Case report	Gastrointestinal: gastric mucosa-associated lymphoma presented with unique vascular features on magnified endoscopy combined with narrow-band imaging 2009
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■ Academic conference presentation

1.	（特別企画2）No cut video: Endoscopic Submucosal Dissection (ESD) （口頭，シンポジウム・ワークショップパネル（その他）） 2025/11/14
2.	The Safest Way to Begin ESD: A Practical Guide for Young Endoscopists （口頭，一般） 2025/07/26
3.	Challenges in diagnosing early colon cancer and how to overcome? （口頭，一般） 2025/04/18
4.	Principles, diagnostic potential, and outlook of NBI in detecting early gastric cancer （口頭，一般） 2025/04/18
5.	（Satellite Lunch Symposium　FUTURE IN THE THIRD SPACE ENDOSCOPY: WHERE WE GO NEXT?）Precision in Endoscopic Submucosal Dissection: Enhancing Patient Outcomes （口頭，シンポジウム・ワークショップパネル（その他）） 2025/04/18
6.	（Session2 LIVE CASE DEMONSTRATIONS）ESD （口頭） 2025/04/18
7.	Confocal laser endomicroscopy using dye dispersion （ポスター掲示，一般） 2014/11/23
8.	Is narrow-band imaging useful for histological evaluation of gastric mucosa-associated lymphoid tissue lymphoma after treatment? （ポスター掲示，一般） 2014/11/23
9.	Effective training system for learning colorectal ESD. （口頭，一般） 2013/10/11
10.	Pathological evaluation and therapeutic trial for the esophageal stricture after endoscopic submucosal dissection using animal model （ポスター掲示，一般） 2012/10
11.	Short term results of endoscopic submucosal dissection in superficial esophageal squamous cell neoplasms （ポスター掲示，一般） 2012/10
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■ Research areas

Gastroenterology

■ Awards & honors

2021

Top reviewer of the year 2021

■ Education

Faculty of Medicine, Shimane Medical University, Graduated,

■ Academic & professional experience

2016/08～2020/03

Associate Professor