田中 信治 先生のプロフィール

田中 信治 先生

たなか しんじ

田中 信治 先生

広島大学病院内視鏡診療科 教授 / 広島大学大学院医歯薬保健学研究科内視鏡医学 教授

専門分野

消化器内科(消化管)、消化管がんの内視鏡診断と治療、炎症性腸疾患、小腸疾患

紹介

1984年に広島大学医学部医学科を卒業後、同大医学部附属病院内科に研修医として入局。
1986年より北九州総合病院内科、広島赤十字・原爆病院内科、国立がんセンター病院(現・中央病院)内視鏡部研修医などを経て帰局。1997年、ブラジル・リオグランデ州立大学消化器科客員教授。1998年、広島大学医学部附属病院光学医療診療部助教授。2000年に同光学医療診療部部長、2007年より現職。

略歴

1984年 広島大学医学部附属病院内科・医員(研修医)
1986年 北九州総合病院内科(第一内科入局,医学研究生)
1989年 広島大学医学部附属病院第一内科・医員
1990年 広島赤十字・原爆病院内科
1990年 広島大学医学部附属病院第一内科・医員
1991年 国立がんセンター病院(現中央病院)内視鏡部・研修医
1991年 浅野病院 (医学研究生)
1992年 広島大学医学部附属病院第一内科・医員
1993年 学位取得(広島大学医学博士・第2357号)
1993年 広島大学医学部附属病院第一内科・助手
1998年 広島大学医学部附属病院光学医療診療部・助教授(副部長)
2000年 同 光学医療診療部・部長
2003年 広島大学病院 光学医療診療部・部長(病院の部局化)
2007年 同         ・准教授
2007年 同         ・教授
2009年 同  内視鏡診療科 ・教授 
2011年 同  病院長補佐(医科診療担当)
2015年 同  IBDセンター長
現在に至る

所属学会・資格・役職など

【所属学会】
American Society for Gastrointestinal Endoscopy (ASGE)
American College of Gastroenterology (ACG)
European Society for Gastrointestinal Endoscopy (ESGE)
Asian Organization for Crohn’s & Colitis (AOCC)
日本消化器内視鏡学会
日本消化器病学会
日本消化管学会
日本大腸肛門病学会
日本大腸検査学会
日本炎症性腸疾患学会
大腸癌研究会
日本カプセル内視鏡学会
日本小腸学会
日本胃癌学会
日本食道学会
日本癌学会
日本癌治療学会
日本消化器癌発生学会
日本がん転移学会
日本内科学会
日本消化器がん検診学会

【所属学会役職】
Fellow of American Society for Gastrointestinal Endoscopy (FASGE)
Fellow of the American College of Gastroenterology (FACG)
日本消化器関連学会機構(JDDW)・理事
日本消化器内視鏡学会・理事
日本消化器病学会・財団評議員
日本消化管学会・理事
日本大腸肛門病学会・理事
日本大腸検査学会・常任理事
日本カプセル内視鏡学会・理事
日本小腸学会・理事
大腸癌研究会・幹事/世話人
日本胃癌学会・代議員
日本消化器癌発生学会・評議員
日本消化器内視鏡学会中国支部・幹事/評議員
日本消化器病学会中国支部・評議員
日本内科学会中国支部・評議員
日本消化器がん検診学会中四国支部・幹事/評議員
早期胃癌研究会・運営幹事/運営委員
臨床消化器病研病究会・世話人
大腸IIc研究会・世話人
EMR/ESD研究会・世話人
拡大内視鏡研究会・世話人
小腸内視鏡研究会・世話人
先進内視鏡治療研究会(J-CASE)・世話人
日本家族性大腸腺腫症研究会・世話人

【認定資格】
臨床修練指導医(Certificate of Clinical Instructor)
日本消化器内視鏡学会・指導医
日本消化器病学会・指導医
日本大腸肛門病学会・指導医
日本内科学会・認定施設指導医
日本消化器がん検診学会・認定医
日本がん治療認定医機構・暫定教育医
日本消化管学会・胃腸科指導医
日本カプセル内視鏡学会・指導医
難病指定医
小児慢性特定疾患指定医

受賞・著書・論文など

【受賞】
1)平成6年度広島医学会賞「大腸sm癌の内視鏡的治療適応条件〜大腸sm癌149病変の内視鏡的・臨床病理学的検討から〜」(広島医学46: 947-952, 1993)
2)平成12年度日本消化器内視鏡学会賞 「最大径10mm以下の小進行癌大腸癌の特徴に関する臨床病理学的検討」(Gastroenterol Endosc 41: 2358-2367, 1999)
3)Finalist for best conference paper award in 2003 IEEE International on Robotics and Automation (ICRA 2003)「Touching stomach by air」
4)2003年度日本コンピュータ外科学会講演論文最優秀賞 (013) 「内視鏡用非接触硬さイメージャ」
5)第5回Hiroshima Journal of Medical Science優秀論文賞「Effects of aged garlic extract (AGE) on colorectal adenomas: a double-blinded study」(Hiroshima J Med Sci 53, 39-45, 2004)
6)平成17年度日本消化器内視鏡学会賞「Relationship between histopatholo

【受賞】
1)平成6年度広島医学会賞「大腸sm癌の内視鏡的治療適応条件〜大腸sm癌149病変の内視鏡的・臨床病理学的検討から〜」(広島医学46: 947-952, 1993)
2)平成12年度日本消化器内視鏡学会賞 「最大径10mm以下の小進行癌大腸癌の特徴に関する臨床病理学的検討」(Gastroenterol Endosc 41: 2358-2367, 1999)
3)Finalist for best conference paper award in 2003 IEEE International on Robotics and Automation (ICRA 2003)「Touching stomach by air」
4)2003年度日本コンピュータ外科学会講演論文最優秀賞 (013) 「内視鏡用非接触硬さイメージャ」
5)第5回Hiroshima Journal of Medical Science優秀論文賞「Effects of aged garlic extract (AGE) on colorectal adenomas: a double-blinded study」(Hiroshima J Med Sci 53, 39-45, 2004)
6)平成17年度日本消化器内視鏡学会賞「Relationship between histopathological features and type V pit pattern determined by magnifying videocolonoscopy in early colorectal carcinoma」(Dig Endosc 17, 117-122, 2005)
7)日本ロボット学会第21回論文賞 「非接触剛性イメージャ」(日本ロボット学会誌,Vol.24, No.3,pp.363-369,2006)
8)Reviewer Awards 2009 of Gastrointestinal Endoscopy.
9)平成21年度広島大学学長表彰 「要項:第2の第2号(教育研究活動)及び第4号(医療活動)」
10) 平成22年度日本消化器内視鏡学会賞 「Predictive value of endoscopy and endoscopic ultrasonography for regression of gastric diffuse large B-cell lymphomas after Helicobacter pylori eradication.」Dig Endosc 2009; 21: 219-227.
11) Journal of Gastroenterology High Citation Award (2010 Impact Factor),2012
12)Reviewer Awards 2012 of Gastrointestinal Endoscopy.
13) Outstanding Paper Award. The 18th Workshop on Synthesis and System Integration of Mixed Information Technologies. October 21-22, 2013, Sapporo「High Speed Approximation Feature Extraction in CAD System for Colorectal Endoscopic Images with NBI Magnification」
14)Reviewer Awards 2015 of Gastrointestinal Endoscopy.
15)Reviewer Awards 2016 of Gastrointestinal Endoscopy.
16)平成27年度日本生体医工学会論文賞・阪本賞. 「グリッドアクティブステレオを用いた三次元消化器内視鏡におけるキャリブレーション手法」
17)平成27年電子情報学会・LSIとシステムのワークショップ優秀ポスター賞「大腸内視鏡リアルタイム診断支援のためのプロトタイプシステムの開発」

【特許】
1)「内視鏡における空気噴流診断装置」特許第3751568号
2)「内視鏡における生体の硬さ診断装置」特許第3834259号
3)「内視鏡装置」特許第4229791号

【出版著書(2017年9月現在)】
1. 田中信治編: 『基本からわかる大腸疾患の精密内視鏡診断』 中山書店, 東京, 2003年
2. 田中信治, 小山恒男, 山野泰穂編: 『消化管内視鏡治療のコツとポイント』 日本メディカルセンター, 2003年
3. 五十嵐正広・田中信治編: 『ワンポイントアドバイス 大腸内視鏡検査法』 日本メディカルセンター, 東京, 2004年
4. 田尻久雄, 田中信治編: 『消化管拡大内視鏡診断の実際-観察のコツと診断のポイント』 金原出版, 東京, 2004年
5. 田尻久雄,田中信治編: 『消化管拡大内視鏡診断の実際-観察のコツと診断のポイント-』 金原出版, 東京, 2004年
6. 日山 亨, 日山恵美, 吉原正治, 田中信治: 『判例に学ぶ消化器医療のリスクマネジメント』 日本メディカルセンター, 東京, 2005年
7. 田中信治・長南明道・田尻久雄編: 『内視鏡診断のプロセスと疾患別内視鏡像[下部消化管] 』 日本メディカルセンター, 東京, 2005年
8. 長南明道・田尻久雄・田中信治編: 『内視鏡診断のプロセスと疾患別内視鏡像[上部消化管] 』 日本メディカルセンター, 東京, 2005年
9. 田中信治編: 『大腸EMR・ESDの基本手技-コツとピットフォール, 適応の決め手』 日本メディカルセンター, 東京, 2006年
10. 渡邊聡明・味岡洋一・五十嵐正広・田中信治編: 『 colitic cancer-診断と治療の現況-』 日本メディカルセンター, 東京, 2006年
11. 田中信治・長南明道・田尻久雄編: 『内視鏡診断のプロセスと疾患別内視鏡像[下部消化管]. 日本メディカルセンター, 東京, 2007年
12. 清水誠治・斉藤裕輔・田中信治・津田純郎編: 『腸疾患診療−プロセスとノウハウ』 医学書院, 東京, 2007年
13. 田中信治編: 『症例で身につける消化器内視鏡シリーズ 大腸 EMR・ESD』 羊土社, 東京, 2008年
14. 田中信治編: 『症例で身につける消化器内視鏡シリーズ 大腸腫瘍診断』 羊土社, 東京, 2008年
15. 田中信治編: 『大腸 ESD Guidebook−安全な手技導入のために』 日本メディカルセンター, 東京, 2009年
16. 田尻久雄監修: 五十嵐良典・河合 隆・北川雄光・田中信治編: 『コンセンサス消化器内視鏡 2010-2011』 日本メディカルセンター, 東京, 2010年
17. 田中信治編: 『スキルアップ大腸内視鏡 診断編』 中外医学社, 東京, 2010年

18. 田中信治編: 『スキルアップ大腸内視鏡 治療編』 中外医学社, 東京, 2010年
19. 田尻久雄・田中信治・加藤元嗣・斎藤豊編: 『画像強調観察による内視鏡診断 Image-Enhanced Endoscopy アトラス』 日本メディカルセンター, 東京, 2010年
20. 斉藤裕輔・田中信治・渡邉聡明編: 『大腸疾患診療の Strategy』 日本メディカルセンター, 東京, 2010年
21. 田中信治編: 『症例で身につける消化器内視鏡シリーズ 大腸 EMR・ESD』 羊土社, 東京, 2011年
22. 田尻久雄監修, 田中信治・長南明道・武藤 学 編: 改訂第3版『内視鏡診断のプロセスと疾患別内視鏡像[下部消化管]』 日本メディカルセンター, 東京, 2011年
23. 田中信治監修: 永田信二・岡志郎編: 『見逃しのない大腸内視鏡の挿入・観察法』 日本メディカルセンター, 東京, 2012年
24. 山口茂樹,田中信治ほか編: 『ベスト×ベストシリーズ 名医が語る最新・最良の治療 大腸がん』 株式会社法研, 東京, 2012年
25. 田尻久雄監修: 加藤元嗣・田中信治・斉藤 豊・武藤 学 編: 『新しい画像強調内視鏡システム NBI/BLIアトラス』 日本メディカルセンター, 東京, 2013年
26. 渡辺 守・田中信治編: 『これで納得!画像で見ぬく消化器疾患 - 大腸』 医学出版, 東京, 2014年
27. 田中信治編: 『大腸EMR/ESD』 改訂版. 羊土社, 東京, 2014年
28. 田中信治編: 『大腸腫瘍診断』 改訂版. 羊土社, 東京, 2014年
29. 田尻久雄 監修,加藤元嗣,井上晴洋,田中信治,斎藤 豊 編: 『新しい診断基準・分類に基づいたNBI/BLI/LCI内視鏡アトラス』 日本メディカルセンター,東京, 2016年

【英語論文(2017年9月現在)】※2013年以降分を掲載しております
1. Yamada A, Niikura R, Maki K, Nakamura M, Watabe H, Fujishiro M, Oka S, Fujimori S, Nakajima A, Ohmiya N, Matsumoto T, Tanaka S, Koike K, Sakamoto C. Proton pump inhibitor therapy did not increase the prevalence of small-bowel injury: A propensity-matched analysis. PLoS One. 2017 Aug 3;12(8):e0182586.

2. Tanaka H, Oka S, Tanaka S. Endoscopic hemostasis for spurting duodenal bleeding using dual red imaging. Dig Endosc. 2017 Jul 31. doi: 10.1111/den.12930. [Epub ahead of print]

3. Nakamura F, Higashi T, Amano A, Fukuchi M, Hirayasu M, Higa H, Asato K, Shimada Y, Yoshikawa T, Ono H, Tanaka S, Ishiguro M, Masuda M. Positive reactions of hospital staff to feedback by specialists. J Clin Oncol. 2013 Nov;31(31_suppl):57. doi: 10.1200/jco.2013.31.31_suppl.57.

4. Niikura R, Yamada A, Maki K, Nakamura M, Watabe H, Fujishiro M, Oka S, Esaki M, Fujimori S, Nakajima A, Ohmiya N, Matsumoto T, Tanaka S, Koike K, Sakamoto C. Associations between drugs and small-bowel mucosal bleeding: A multicenter capsule-endoscopy study. Dig Endosc. 2017 Jul 18. doi: 10.1111/den.12922. [Epub ahead of print]

5. Yoshifuku Y, Sanomura Y, Oka S, Kuroki K, Kurihara M, Mizumoto T, Urabe Y, Hiyama T, Tanaka S, Chayama K. Clinical Usefulness of the VS Classification System Using Magnifying Endoscopy with Blue Laser Imaging for Early Gastric Cancer. Gastroenterol Res Pract. 2017;2017:3649705. doi: 10.1155/2017/3649705. Epub 2017 May 15.

6. Boda K, Oka S, Tanaka S, Nagata S, Kunihiro M, Kuwai T, Hiraga Y, Furudoi A, Terasaki M, Nakadoi K, Higashiyama M, Okanobu H, Akagi M, Chayama K. Clinical outcomes of endoscopic submucosal dissection for colorectal tumors: a large multicenter retrospective study of Hiroshima GI Endoscopy Research Group. Gastrointest Endosc. 2017 Jun 13. pii: S0016-5107(17)32023-0. doi: 10.1016/j.gie.2017.05.051. [Epub ahead of print]

7. Nakano M, Oka S, Tanaka S, Igawa A, Kunihara S, Ueno Y, Ito M, Chayama K. Indications for Small-bowel Capsule Endoscopy in Patients with Chronic Abdominal Pain. Intern Med. 2017; 56: 1453-145

8. Kotachi T, Ito M, Yoshihara M, Boda T, Kiso M, Masuda K, Matsuo T, Tanaka S, Chayama K. Serological Evaluation of Gastric Cancer Risk Based on Pepsinogen and Helicobacter pylori Antibody: Relationship to Endoscopic Findings. Digestion. 2017; 95: 314-318

9. Quach DT, Hiyama T, Nguyen TA, Ly HQ, Tanaka S. The Asia-Pacific Colorectal Screening Score Is Useful To Stratify Risk for Colorectal Advanced Neoplasms in Vietnamese Patients with Irritable Bowel Syndrome. J Gastroenterol Hepatol. 2017 May 11. doi: 10.1111/jgh.13821. [Epub ahead of print]

10. Kiso M, Ito M, Boda T, Kotachi T, Masuda K, Hata K, Sasaki A, Kawamura T, Yoshihara M, Tanaka S, Chayama K. Endoscopic findings of the gastric mucosa during long-term use of proton pump inhibitor - a multicenter study. Scand J Gastroenterol. 2017 May 9: 1-5

11. Takigawa H, Kitadai Y, Shinagawa K, Yuge R, Higashi Y, Tanaka S, Yasui W, Chayama K. Mesenchymal Stem Cells Induce Epithelial to Mesenchymal Transition in Colon Cancer Cells through Direct Cell-to-Cell Contact. Neoplasia. 2017; 19: 429-438

12. Mizumoto T, Sanomura Y, Tanaka S, Kuroki K, Kurihara M, Yoshifuku Y, Oka S, Arihiro K, Shimamoto F, Chayama K. Clinical usefulness of magnifying endoscopy for non-ampullary duodenal tumors. Endosc Int Open. 2017, 5: E297-E302

13. Ninomiya Y, Oka S, Tanaka S, Boda K, Yamashita K, Sumimoto K, Hirano D, Tamaru Y, Shigita K, Hayashi N, Matsuo T, Chayama K. Clinical impact of surveillance colonoscopy using magnification without diminutive polyp removal. Dig Endosc. 2017 Mar 28. doi: 10.1111/den.12877. [Epub ahead of print]

14. Watanabe T, Muro K, Ajioka Y, Hashiguchi Y, Ito Y, Saito Y, Hamaguchi T, Ishida H, Ishiguro M, Ishihara S, Kanemitsu Y, Kawano H, Kinugasa Y, Kokudo N, Murofushi K, Nakajima T, Oka S, Sakai Y, Tsuji A, Uehara K, Ueno H, Yamazaki K, Yoshida M, Yoshino T, Boku N, Fujimori T, Itabashi M, Koinuma N, Morita T, Nishimura G, Sakata Y, Shimada Y, Takahashi K, Tanaka S, Tsuruta O, Yamaguchi T, Yamaguchi N, Tanaka T, Kotake K, Sugihara K; Japanese Society for Cancer of the Colon and Rectum. Japanese Society for Cancer of the Colon and Rectum (JSCCR) guidelines 2016 for the treatment of colorectal cancer. Int J Clin Oncol. 2017 Mar 27. doi: 10.1007/s10147-017-1101-6. [Epub ahead of print]

15. Sumimoto K, Tanaka S, Shigita K, Hayashi N, Hirano D, Tamaru Y, Ninomiya Y, Oka S, Arihiro K, Shimamoto F, Yoshihara M, Chayama K. The diagnostic performance of JNET classification for differentiation among noninvasive, superficially invasive, and deeply invasive colorectal neoplasia. Gastrointest Endosc. 2017 Feb 28. pii: S0016-5107(17)30120-7. doi: 10.1016/j.gie.2017.02.018. [Epub ahead of print]

16. Shigita K, Oka S, Tanaka S, Sumimoto K, Hirano D, Tamaru Y, Ninomiya Y, Asayama N, Hayashi N, Shimamoto F, Arihiro K, Chayama K. Long-term outcomes after endoscopic submucosal dissection for superficial colorectal tumors. Gastrointest Endosc. 2017; 85: 546-553

17. Sumimoto K, Tanaka S, Shigita K, Hirano D, Tamaru Y, Ninomiya Y, Asayama N, Hayashi N, Oka S, Arihiro K, Yoshihara M, Chayama K. Clinical impact and characteristics of the narrow-band imaging magnifying endoscopic classification of colorectal tumors proposed by the Japan NBI Expert Team. Gastrointest Endosc. 2017; 85: 816-821

18. Otani I, Oka S, Tanaka S. Mesalazine-induced enteritis causing refractory diarrhea. Dig Endosc. 2017; 29: 128-129

19. Tamaru Y, Oka S, Tanaka S, Nagata S, Hiraga Y, Kuwai T, Furudoi A, Tamura T, Kunihiro M, Okanobu H, Nakadoi K, Kanao H, Higashiyama M, Arihiro K, Kuraoka K, Shimamoto F, Chayama K. Long-term outcomes after treatment for T1 colorectal carcinoma: a multicenter retrospective cohort study of Hiroshima GI Endoscopy Research Group. J Gastroenterol. 2017 Feb 13. doi: 10.1007/s00535-017-1318-1. [Epub ahead of print]

20. Quach DT, Luu MN, Hiyama T, To TH, Bui QN, Tran TA, Tran BD, Vo MH, Tanaka S, Uemura N. Early Diagnosis of Helicobacter pylori Infection in Vietnamese Patients with Acute Peptic Ulcer Bleeding: A Prospective Study. Gastroenterol Res Pract. 2017;2017:3845067. doi: 10.1155/2017/3845067.

21. Sagami S, Ueno Y, Tanaka S, Fujita A, Niitsu H, Hayashi R, Hyogo H, Hinoi T, Kitadai Y, Chayama K. Choline Deficiency Causes Colonic Type II Natural Killer T (NKT) Cell Loss and Alleviates Murine Colitis under Type I NKT Cell Deficiency. PLoS One. 2017 Jan 17;12(1):e0169681. doi: 10.1371/journal.pone. 0169681. PMID:28095507

22. Kunihara S, Oka S, Tanaka S, Otani I, Igawa A, Nagaoki Y, Aikata H, Chayama K. Third-Generation Capsule Endoscopy Outperforms Second-Generation Based on the Detectability of Esophageal Varices. Gastroenterol Res Pract. 2016; 2016: 9671327. PMID: 27980536 Free PMC Article

23. Kiso M, Yoshihara M, Ito M, Inoue K, Kato K, Nakajima S, Mabe K, Kobayashi M, Uemura N, Yada T, Oka M, Kawai T, Boda T, Kotachi T, Masuda K, Tanaka S, Chayama K. Characteristics of gastric cancer in negative test of serum anti-Helicobacter pylori antibody and pepsinogen test: a multicenter study. Gastric Cancer. 2016 Dec 26. doi: 10.1007/s10120-016-0682-5. [Epub ahead of print]

24. Igawa A, Oka S, Tanaka S, Otani I, Kunihara S, Chayama K. Evaluation for the Clinical Efficacy of Colon Capsule Endoscopy in the Detection of Laterally Spreading Tumors. Digestion. 2017; 95: 43-48.

25. Tanabe S, Ishido K, Matsumoto T, Kosaka T, Oda I, Suzuki H, Fujisaki J, Ono H, Kawata N, Oyama T, Takahashi A, Doyama H, Kobayashi M, Uedo N, Hamada K, Toyonaga T, Kawara F, Tanaka S, Yoshifuku Y. Long-term outcomes of endoscopic submucosal dissection for early gastric cancer: a multicenter collaborative study. Gastric Cancer. 2017; 20: 45-52

26. Nishiyama S, Oka S, Tanaka S, Sagami S, Hayashi R, Ueno Y, Arihiro K, Chayama K. Clinical usefulness of narrow band imaging magnifying colonoscopy for assessing ulcerative colitis-associated cancer/dysplasia. Endosc Int Open 2016; 4: E1183-E1187.

27. Sagami S, Ueno Y, Tanaka S, Fujita A, Hayashi R, Oka S, Hyogo H, Chayama K. The significance of nonalcoholic fatty liver disease in Crohn's disease: A retrospective cohort study. Hepatol Res. 2016 Oct 13. doi: 10.1111/hepr.12828.

28. Igawa A, Oka S, Tanaka S, Chayama K. Response. Gastrointest Endosc. 2016; 84: 875

29. Sanomura M, Tanaka S, Sasaki Y, Fukunishi S, Higuchi K. Endoscopic Diagnosis of the Invasion Depth of T1 Colorectal Carcinoma for Endoscopic Resection by Using Narrow-Band Imaging Magnification as Total Excisional Biopsy. Digestion. 2016 28; 94: 106-113

30. Kumamoto T, Sentani K, Oka S, Tanaka S, Yasui W. Clinicopathologic characteristics and management of minute esophageal lesions diagnosed by narrow-band imaging endoscopy. Endosc Int Open. 2016; 4: E927-932.

31. Ninomiya Y, Oka S, Tanaka S, Hirano D, Sumimoto K, Tamaru Y, Asayama N, Shigita K, Nishiyama S, Hayashi N, Chayama K. Clinical impact of dual red imaging in colorectal endoscopic submucosal dissection: a pilot study. Therap Adv Gastroenterol. 2016; 9: 679-83

32. Asayama N, Oka S, Tanaka S, Sumimoto K, Hirano D, Tamaru Y, Ninomiya Y, Shigita K, Hayashi N, Nishiyama S, Chayama K. Clinical usefulness of a single-use splinting tube for poor endoscope operability in deep colonic endoscopic submucosal dissection. Endosc Int Open. 2016; 4: E 614-7.

33. Watanabe T, Ajioka Y, Mitsuyama K, Watanabe K, Hanai H, Nakase H, Kunisaki R, Matsuda K, Iwakiri R, Hida N, Tanaka S, Takeuchi Y, Ohtsuka K, Murakami K, Kobayashi K, Iwao Y, Nagahori M, Iizuka B, Hata K, Igarashi M, Hirata I, Kudo SE, Matsumoto T, Ueno F, Watanabe G, Ikegami M, Ito Y, Oba K, Inoue E, Tomotsugu N, Takebayashi T, Sugihara K, Suzuki Y, Watanabe M, Hibi T. Comparison of Targeted vs Random Biopsies for Surveillance of Ulcerative Colitis-associated Colorectal Cancer. Gastroenterology. 2016; 151: 1122-1130

34. Hirakawa T, Tamaki T, Raytchev B, Kaneda K, Koide T, Yoshida S, Kominami Y, Tanaka S. Corrigendum to "Defocus-aware Dirichlet particle filter for stable endoscopic video frame recognition" [Artif. Intell. Med. 68 (March 2016) 1-16]. Artif Intell Med. 2016; 68: 1-16

35. Numata N, Oka S, Tanaka S, Yoshifuku Y, Miwata T, Sanomura Y, Arihiro K, Shimamoto F, Chayama K. Useful condition of chromoendoscopy with indigo carmine and acetic acid for identifying a demarcation line prior to endoscopic submucosal dissection for early gastric cancer. BMC Gastroenterol. 2016; 16: 72.

36. Asayama N, Oka S, Tanaka S. Polyglycolic acid sheet application for intractable acute hemorrhagic rectal ulcer. Dig Endosc. 2016; 28 : 689

37. Asayama N, Oka S, Tanaka S, Hirano D, Sumimoto K, Ninomiya Y, Tamaru Y, Shigita K, Hayashi N, Shimamoto F, Arihiro K, Chayama K. Pedunculated-type T1 colorectal carcinoma with lung carcinoma metastasis at the deepest invasive portion. Clin J Gastroenterol. 2016; 9: 208-14

38. Hirakawa T, Tamaki T, Raytchev B, Kaneda K, Koide T, Yoshida S, Kominami Y, Tanaka S. Defocus-aware Dirichlet particle filter for stable endoscopic video frame recognition. Artif Intell Med. 2016 S0933-3657 (16) 30102-6

39. Kagemoto K, Urabe Y, Miwata T, Oka S, Ochi H, Kitadai Y, Tanaka S, Chayama K. ADH1B and ALDH2 are associated with metachronous SCC after endoscopic submucosal dissection of esophageal squamous cell carcinoma. Cancer Med. 2016; 5: 1397-404

40. Wimmer G, Tamaki T, Tischendorf JJ, Häfner M, Yoshida S, Tanaka S, Uhl A. Directional wavelet based features for colonic polyp classification. Med Image Anal 2016; 31: 16-36.

41. Sano Y, Tanaka S, Kudo SE, Saito S, Matsuda T, Wada Y, Fujii T, Ikematsu H, Uraoka T, Kobayashi N, Nakamura H, Hotta K, Horimatsu T, Sakamoto N, Fu KI, Tsuruta O, Kawano H, Kashida H, Takeuchi Y, Machida H, Kusaka T, Yoshida N, Hirata I, Terai T, Yamano HO, Kaneko K, Nakajima T, Sakamoto T, Yamaguchi Y, Tamai N, Nakano N, Hayashi N, Oka S, Iwatate M, Ishikawa H, Murakami Y, Yoshida S, Saito Y. NBI magnifying endoscopic classification of colorectal tumors proposed by the Japan NBI Expert Team (JNET). Dig Endosc. 2016; 28: 526-33 (Review)

42. Igawa A, Oka S, Tanaka S, Kunihara S, Nakano M, Chayama K. Polidocanol injection therapy for small-bowel hemangioma using double-balloon endoscopy. Gastrointest Endosc. 2016; 84: 163-7

43. Tamaru Y, Oka S, Tanaka S, Hiraga Y, Kunihiro M, Nagata S, Furudoi A, Ninomiya Y, Asayama N, Shigita K, Nishiyama S, Hayashi N, Chayama K. Endoscopic submucosal dissection for anorectal tumor with hemorrhoids close to the dentate line: a multicenter study of Hiroshima GI Endoscopy Study Group. Surg Endosc. 2016; 30: 4425-31

44. Hayashi R, Tsuchiya K, Fukushima K, Horita N, Hibiya S, Kitagaki K, Negi M, Itoh E, Akashi T, Eishi Y, Okada E, Araki A, Ohtsuka K, Fukuda S, Ohno H, Okamoto R, Nakamura T, Tanaka S, Chayama K, Watanabe M. Reduced Human α-defensin 6 in Noninflamed Jejunal Tissue of Patients with Crohn's Disease. Inflamm Bowel Dis. 2016; 22: 1119-28

45. Takigawa H, Kitadai Y, Shinagawa K, Yuge R, Higashi Y, Tanaka S, Yasui W, Chayama K. Multikinase inhibitor regorafenib inhibits the growth and metastasis of colon cancer with abundant stroma. Cancer Sci. 2016; 107: 601-8

46. Yuge R, Kitadai Y, Tanaka S, Uraoka N, Sentani K, Yasui W, Chayama K. Regression of Cecal MALT Lymphoma after Antibiotic Treatment in a Patient with Helicobacter pylori Infection. Intern Med. 2016; 55: 135-9.

47. Yoshifuku Y, Oka S, Tanaka S, Sanomura Y, Miwata T, Numata N, Hiyama T, Chayama K. Long-term prognosis after endoscopic submucosal dissection for early gastric cancer in super-elderly patients. Surg Endosc. 2016; 30: 4321-9

48. Asayama N, Oka S, Tanaka S, Chayama K. Area of Submucosal Invasion and Width of Invasion Predict Lymph Node Metastasis in pT1 Colorectal Cancers. Dis Colon Rectum. 2016; 59: e19. No abstract available.

49. Nakano M, Oka S, Tanaka S, Kunihara S, Igawa A, Aoyama T, Imagawa H, Onogawa S, Ueno Y, Hanada K, Chayama K. Clinical usefulness of transabdominal ultrasonography prior to patency capsule for suspected small-bowel strictures. Scand J Gastroenterol. 2016; 51: 281-7

50. Kominami Y, Yoshida S, Tanaka S, Sanomura Y, Hirakawa T, Raytchev B, Tamaki T, Koide T, Kaneda K, Chayama K. Computer-aided diagnosis of colorectal polyp histology by using a real-time image recognition system and narrow-band imaging magnifying colonoscopy. Gastrointest Endosc 2016; 83: 643-9

51. Asayama N, Oka S, Tanaka S, Ninomiya Y, Tamaru Y, Shigita K, Hayashi N, Egi H, Hinoi T, Ohdan H, Arihiro K, Chayama K. Long-term outcomes after treatment for T1 colorectal carcinoma. Int J Colorectal Dis. 2016; 31:571–578

52. Miwata T, Oka S, Tanaka S, Kagemoto K, Sanomura Y, Urabe Y, Hiyama T, Chayama K. Risk factors for esophageal stenosis after entire circumferential endoscopic submucosal dissection for superficial esophageal squamous cell carcinoma. Surg Endosc. 2016; 30: 4049-5

53. Shigita K, Oka S, Tanaka S, Sumimoto K, Hirano D, Tamaru Y, Ninomiya Y, Asayama N, Hayashi N, Nagata S, Arihiro K, Chayama K. Clinical significance and validity of the subclassification for colorectal laterally spreading tumor granular type. J Gastroenterol Hepatol. 2016; 31: 973-9

54. Yoshifuku Y, Sanomura Y, Oka S, Tanaka S, Chayama K. Investigation of each histological type in undifferentiated early gastric cancer and validity of diagnosis of the disease range. Gastric Cancer. 2016; 19: 1149-50

55. Asayama N, Oka S, Tanaka S, Nagata S, Furudoi A, Kuwai T, Onogawa S, Tamura T, Kanao H, Hiraga Y, Okanobu H, Kuwabara T, Kunihiro M, Mukai S, Goto E, Shimamoto F, Chayama K. Long-term outcomes after treatment for pedunculated-type T1 colorectal carcinoma: a multicenter retrospective cohort study. J Gastroenterol. 2016; 51: 702-10

56. Kawaguchi Y, Hinoi T, Saito Y, Adachi T, Miguchi M, Niitsu H, Sasada T, Shimomura M, Egi H, Oka S, Tanaka S, Chayama K, Sentani K, Oue N, Yasui W, Ohdan H. Mouse model of proximal colon-specific tumorigenesis driven by microsatellite instability-induced Cre-mediated inactivation of Apc and activation of Kras. J Gastroenterol. 2016; 51: 447-57

57. Yoshimura N, Yokoyama Y, Matsuoka K, Takahashi H, Iwakiri R, Yamamoto T, Nakagawa T, Fukuchi T, Motoya S, Kunisaki R, Kato S, Hirai F, Ishiguro Y, Tanida S, Hiraoka S, Mitsuyama K, Ishihara S, Tanaka S, Otaka M, Osada T, Kagaya T, Suzuki Y, Nakase H, Hanai H, Watanabe K, Kashiwagi N, Hibi T. An open-label prospective randomized multicenter study of intensive versus weekly granulocyte and monocyte apheresis in active Crohn's disease. BMC Gastroenterol. 2015; 15: 163.

58. Häfner M, Tamaki T, Tanaka S, Uhl A, Wimmer G, Yoshida S. Local fractal dimension based approaches for colonic polyp classification. Med Image Anal 2015; 26: 92-107.

59. Hayashi R, Ueno Y, Tanaka S, Sagami S, Nagai K, Shigemoto N, Uegami S, Shimizu W, Watadani Y, Ohge H, Chayama K. Two Cases of Severe Ulcerative Colitis with Colonic Dilatation Resolved with Tacrolimus Therapy. Case Rep Gastroenterol 2015; 9: 272-7

60. Kominami Y, Yoshida S, Tanaka S, Miyaki R, Sanomura Y, Seo MW, Kagawa K, Kawahito S, Arimoto H, Yamada K, Chayama K. Evaluation of dual-wavelength excitation autofluorescence imaging of colorectal tumours with a high-sensitivity CMOS imager: a cross-sectional study. BMC Gastroenterol 2015 Sep 2; 15: 110.

61. Sagami S, Ueno Y, Tanaka S, Nagai K, Hayashi R, Chayama K. Successful Use of Adalimumab for Treating Pyoderma Gangrenosum with Ulcerative Colitis under Corticosteroid-tapering Conditions. Intern Med 2015; 54: 2167-72.

62. Igawa A, Oka S, Tanaka S, Kunihara S, Nakano M, Aoyama T, Chayama K. Major predictors and management of small-bowel angioectasia. BMC Gastroenterol. 2015 Aug 25;15(1):108

63. Miwata T, Quach DT, Hiyama T, Aoki R, Le HM, Tran PL, Ito M, Tanaka S, Arihiro K, Uemura N, Chayama K. Interobserver and intraobserver agreement for gastric mucosa atrophy. BMC Gastroenterol. 2015 Aug 4;15:95

64. Tamaru Y, Oka S, Tanaka S, Ninomiya Y, Asayama N, Shigita K, Nishiyama S, Hayashi N, Arihiro K, Chayama K. Early squamous cell carcinoma of the anal canal resected by endoscopic submucosal dissection. Case Rep Gastroenterol. 2015; 30; 9 (1): 120-5

65. Kamada T, Sato M, Tokutomi T, Watanabe T, Murao T, Matsumoto H, Manabe N, Ito M, Tanaka S, Inoue K, Shiotani A, Akiyama T, Hata J, Haruma K. Rebamipide Improves Chronic Inflammation in the Lesser Curvature of the Corpus after Helicobacter pylori Eradication: A Multicenter Study. Biomed Res Int. 2015:865146. doi: 10.1155/2015/865146. Epub 2015 Apr 28.

66. Kitamura Y, Yoshihara M, Ito M, Boda T, Matsuo T, Kotachi T, Tanaka S, Chayama K. Diagnosis of Helicobacter pylori-induced gastritis by serum pepsinogen levels. J Gastroenterol Hepatol. 2015; 30: 1473-7

67. Saito Y, Saito S, Oka S, Kakugawa Y, Matsumoto M, Aihara H, Watari I, Aoyama T, Nouda S, Kuramoto T, Watanabe K, Ohmiya N, Higuchi K, Goto H, Arakawa T, Tanaka S, Tajiri H. Evaluation of the clinical efficacy of colon capsule endoscopy in the detection of lesions of the colon: prospective, multicenter, open study. Gastrointest Endosc. 2015; 82: 861-9

68. Watanabe T, Itabashi M, Shimada Y, Tanaka S, Ito Y, Ajioka Y, Hamaguchi T, Hyodo I, Igarashi M, Ishida H, Ishihara S, Ishiguro M, Kanemitsu Y, Kokudo N, Muro K, Ochiai A, Oguchi M, Ohkura Y, Saito Y, Sakai Y, Ueno H, Yoshino T, Boku N, Fujimori T, Koinuma N, Morita T, Nishimura G, Sakata Y, Takahashi K, Tsuruta O, Yamaguchi T, Yoshida M, Yamaguchi N, Kotake K, Sugihara K; Japanese Society for Cancer of the Colon and Rectum. Japanese Society for Cancer of the Colon and Rectum (JSCCR) Guidelines 2014 for treatment of colorectal cancer. Int J Clin Oncol 2015; 20: 207-39

69. Kamada T, Haruma K, Ito M, Inoue K, Manabe N, Matsumoto H, Kusunoki H, Hata J, Yoshihara M, Sumii K, Akiyama T, Tanaka S, Shiotani A, Graham DY. Time Trends in Helicobacter pylori Infection and Atrophic Gastritis Over 40 Years in Japan. Helicobacter. 2015; 20: 192-8

70. Horimatsu T, Sano Y, Tanaka S, Kawamura T, Saito S, Iwatate M, Oka S, Uno K, Yoshimura K, Ishikawa H, Muto M, Tajiri H. Next-generation narrow band imaging system for colonic polyp detection: a prospective multicenter randomized trial. Int J Colorectal Dis. 2015; 30: 947-54

71. Urabe Y, Tanaka S, Saito Y, Igarashi M, Watanabe T, Sugihara K. Impact of revisions of the JSCCR guidelines on the treatment of T1 colorectal carcinomas in Japan. Z Gastroenterol 2015; 53: 291-301.

72. Oka S, Tanaka S, Saito Y, Iishi H, Kudo SE, Ikematsu H, Igarashi M, Saitoh Y, Inoue Y, Kobayashi K, Hisabe T, Tsuruta O, Sano Y, Yamano H, Shimizu S, Yahagi N, Watanabe T, Nakamura H, Fujii T, Ishikawa H, Sugihara K. Local Recurrence After Endoscopic Resection for Large Colorectal Neoplasia: A Multicenter Prospective Study in Japan. Am J Gastroenterol 2015; 110: 697-707

73. Nishiyama S, Oka S, Tanaka S, Sagami S, Nagai K, Ueno Y, Arihiro K, Chayama K. Clinical usefulness of endocytoscopy in the remission stage of ulcerative colitis: a pilot study. J Gastroenterol. 2015; 50: 1087-93

74. Ninomiya Y, Oka S, Tanaka S, Nishiyama S, Tamaru Y, Asayama N, Shigita K, Hayashi N, Chayama K. Risk of bleeding after endoscopic submucosal dissection for colorectal tumors in patients with continued use of low-dose aspirin. J Gastroenterol. 2015; 50: 1041-6

75. Hiyama T, Quach DT, Le QD, Ho LX, Vu NH, Shimamoto F, Ito M, Tanaka S, Yoshihara M, Uemura N, Chayama K. Rate of Unintended Helicobacter pylori Eradication in the Vietnamese. Helicobacter. 2015; 20: 156-7

76. Tanaka S, Kashida H, Saito Y, Yahagi N, Yamano H, Saito S, Hisabe T, Yao T, Watanabe M, Yoshida M, Kudo SE, Tsuruta O, Sugihara KI, Watanabe T, Saitoh Y, Igarashi M, Toyonaga T, Ajioka Y, Ichinose M, Matsui T, Sugita A, Sugano K, Fujimoto K, Tajiri H. (JGES Guidelines) Colorectal endoscopic submucosal dissection/endoscopic mucosal resection guidelines. Dig Endosc. 2015; 27: 417-34

77. Tanaka S, Saitoh Y, Matsuda T, Igarashi M, Matsumoto T, Iwao Y, Suzuki Y, Nishida H, Watanabe T, Sugai T, Sugihara KI, Tsuruta O, Hirata I, Hiwatashi N, Saito H, Watanabe M, Sugano K, Shimosegawa T. Evidence-based clinical practice guidelines for management of colorectal polyps. J Gastroenterol. 2015; 50: 252-260

78. Asayama N, Oka S, Tanaka S, Hayashi N, Arihiro K, Chayama K. Endoscopic submucosal dissection as total excisional biopsy for clinical t1 colorectal carcinoma. Digestion 2015; 91: 64-9

79. Tanaka S, Asayama N, Shigita K, Hayashi N, Oka S, Chayama K. Towards safer and appropriate application of endoscopic submucosal dissection for T1 colorectal carcinoma as total excisional biopsy: Future perspective. Dig Endosc. 2015; 27: 216-22

80. Miyaki R, Yoshida S, Tanaka S, Kominami Y, Sanomura Y, Matsuo T, Oka S, Raytchev B, Tamaki T, Koide T, Kaneda K, Yoshihara M, Chayama K. A Computer System to Be Used With Laser-based Endoscopy for Quantitative Diagnosis of Early Gastric Cancer. J Clin Gastroenterol. 2015; 49: 108-15

81. Aoyama T, Oka S, Aikata H, Igawa A, Nakano M, Naeshiro N, Yoshida S, Tanaka S, Chayama K. Major predictors of portal hypertensive enteropathy in patients with liver cirrhosis. J Gastroenterol Hepatol. 2015; 30: 124-30

82. Yuge R, Kitadai Y, Shinagawa K, Onoyama M, Tanaka S, Yasui W, Chayama K. mTOR and PDGF Pathway Blockade Inhibits Liver Metastasis of Colorectal Cancer by Modulating the Tumor Microenvironment. Am J Pathol. 2015; 185: 399-408

83. Uraoka T, Tanaka S, Oka S, Matsuda T, Saito Y, Moriyama T, Higashi R, Matsumoto T. Feasibility of a novel colonoscope with extra-wide angle of view: a clinical study. Endoscopy. 2015; 47: 444-8

84. Wada Y, Kudo SE, Tanaka S, Saito Y, Iishii H, Ikematsu H, Igarashi M, Saitoh Y, Inoue Y, Kobayashi K, Hisabe T, Tsuruta O, Kashida H, Ishikawa H, Sugihara K. Predictive factors for complications in endoscopic resection of large colorectal lesions: a multicenter prospective study. Surg Endosc 2015; 29: 1216-22

85. Onitake T, Ueno Y, Tanaka S, Sagami S, Hayashi R, Nagai K, Hide M, Chayama K. Pulverized konjac glucomannan ameliorates oxazolone-induced colitis in mice. Eur J Nutr. 2015; 54: 959-69

86. Yamamoto H, Yano T, Ohmiya N, Tanaka S, Tanaka S, Endo Y, Matsuda T, Matsui T, Iida M, Sugano K. Double-balloon enteroscopy is safe and effective for the diagnosis and treatment of small-bowel disorders: A prospective multicenter study performed by expert and non-expert endoscopists in Japan. Dig Endosc. 2015; 27: 331-7

87. Numata N, Oka S, Tanaka S, Kagemoto K, Sanomura Y, Yoshida S, Arihiro K, Shimamoto F, Chayama K. Risk factors and management of positive horizontal margin in early gastric cancer resected by en bloc endoscopic submucosal dissection. Gastric Cancer. 2015; 18: 332-8

88. Tari A, Asaoku H, Takata K, Fujimori S, Tanaka S, Fujihara M, Koga T, Yoshino T. The role of watch and wait in intestinal follicular lymphoma in rituximab era. Scand J Gastroenterol 2015; 51: 321-328

89. Takeuchi Y, Iishi H, Tanaka S, Saito Y, Ikematsu H, Kudo SE, Sano Y, Hisabe T, Yahagi N, Saitoh Y, Igarashi M, Kobayashi K, Yamano H, Shimizu S, Tsuruta O, Inoue Y, Watanabe T, Nakamura H, Fujii T, Uedo N, Shimokawa T, Ishikawa H, Sugihara K. Factors associated with technical difficulties and adverse events of colorectal endoscopic submucosal dissection: retrospective exploratory factor analysis of a multicenter prospective cohort. Int J Colorectal Dis. 2014; 29: 1275-84

90. Oka S, Tanaka S, Chayama K. Detection of Nonpolypoid Colorectal Neoplasia Using Magnifying Endoscopy in Colonic Inflammatory Bowel Disease. Gastrointest Endosc Clin N Am 2014; 24: 405-417 (Review).

91. Watari I, Oka S, Tanaka S, Igawa A, Nakano M, Aoyama T, Yoshida S, Chayama K. Comparison of Small-Bowel Mucosal Injury between Low-Dose Aspirin and Non-Aspirin Non-Steroidal Anti-Inflammatory Drugs: A Capsule Endoscopy Study. Digestion 2014; 89: 225-231.

92. Terasaki M, Tanaka S, Shigita K, Asayama N, Nishiyama S, Hayashi N, Nakadoi K, Oka S, Chayama K. Risk factors for delayed bleeding after endoscopic submucosal dissection for colorectal neoplasms. Int J Colorectal Dis 2014; 29: 877-82.

93. Kitamura Y, Ito M, Matsuo T, Boda T, Oka S, Yoshihara M, Tanaka S, Chayama K. Characteristic Epithelium with Low-Grade Atypia Appears on the Surface of Gastric Cancer after Successful Helicobacter pylori Eradication Therapy. Helicobacter 2014: 19: 289-95.

94. Oka S, Tanaka S, Nakadoi K, Asayama N, Chayama K. Endoscopic features and management of diminutive colorectal submucosal invasive carcinoma. Dig Endosc 2014; 26 (Suppl 2): 78-83.

95. Boda T, Ito M, Oka S, Kitamura Y, Numata N, Sanomura Y, Matsuo T, Tanaka S, Yoshihara M, Arihiro K, Chayama K. Characteristics of metachronous gastric tumors after endoscopic submucosal dissection for gastric intraepithelial neoplasms. Gastroenterol Res Pract. 2014; 2014: 863595. doi: 10.1155/2014/863595. Epub 2014 Feb 11

96. Tari A, Asaoku H, Kunihiro M, Tanaka S, Yoshino T. Usefulness of positron emission tomography in primary intestinal follicular lymphoma. World J Gastroenterol. 2013; 19: 1992-6.

97. Kagemoto K, Oka S, Tanaka S, Miwata T, Urabe Y, Sanomura Y, Yoshida S, Hiyama T, Arihiro K, Chayama K. Clinical outcomes of endoscopic submucosal dissection for superficial Barrett's adenocarcinoma. Gastrointest Endosc. 2014; 80: 239-45.

98. Ishikawa H, Mutoh M, Suzuki S, Tokudome S, Saida Y, Abe T, Okamura S, Tajika M, Joh T, Tanaka S, Kudo SE, Matsuda T, Iimuro M, Yukawa T, Takayama T, Sato Y, Lee K, Kitamura S, Mizuno M, Sano Y, Gondo N, Sugimoto K, Kusunoki M, Goto C, Matsuura N, Sakai T, Wakabayashi K. The preventive effects of low-dose enteric-coated aspirin tablets on the development of colorectal tumours in Asian patients: a randomised trial. Gut 2014; 63: 1755-9.

99. Igawa A, Oka S, Tanaka S, Nakano M, Aoyama T, Watari I, Aikata H, Arihiro K, Chayama K. Small bowel metastasis of hepatocellular carcinoma detected by capsule endoscopy. Case Rep Gastroenterol 2013; 7: 492-7.

100. Nishiyama S, Oka S, Tanaka S, Hayashi N, Hayashi R, Nagai K, Ueno Y, Shimamoto F, Arihiro K, Chayama K. Is It Possible to Discriminate Between Neoplastic and Nonneoplastic Lesions in Ulcerative Colitis by Magnifying Colonoscopy? Inflamm Bowel Dis. 2014; 20: 508-13

101. Onoyama M, Kitadai Y, Tanaka Y, Yuge R, Shinagawa K, Tanaka S, Yasui W, Chayama K. Combining molecular targeted drugs to inhibit both cancer cells and activated stromal cells in gastric cancer. Neoplasia 2013; 15: 1391-9.

102. Watari I, Oka S, Tanaka S, Nakano M, Aoyama T, Yoshida S, Chayama K. Is Occult Obscure Gastrointestinal Bleeding a Definite Indication for Capsule Endoscopy? A Retrospective Analysis of Diagnostic Yield in Patients with Occult versus Overt Bleeding. Gastroenterol Res Pract. 2013; 2013: 915463. doi: 10.1155/2013/915463. Epub 2013 Nov 12.

103. Nakadoi K, Oka S, Tanaka S, Hayashi N, Terasaki M, Arihiro K, Shimamoto F, Chayama K. Condition of muscularis mucosae is a risk factor for lymph node metastasis in T1 colorectal carcinoma. Surg Endosc. 2014; 28: 1269-76

104. Boda T, Ito M, Yoshihara M, Kitamura Y, Matsuo T, Oka S, Tanaka S, Chayama K. Advanced Method for Evaluation of Gastric Cancer Risk By Serum Markers: Determination of True Low-Risk Subjects for Gastric Neoplasm. Helicobacter. 2014; 19, 1-8

105. Hayashi N, Tanaka S, Nishiyama S, Terasaki M, Nakadoi K, Oka S, Yoshihara M, Chayama K. Predictors of incomplete resection and perforation associated with endoscopic submucosal dissection for colorectal tumors. Gastrointest Endosc. 2014; 79: 427-35

106. Sanomura Y, Oka S, Tanaka S, Numata N, Higashiyama M, Kanao H, Yoshida S, Ueno Y, Chayama K. Continued use of low-dose aspirin does not increase the risk of bleeding during or after endoscopic submucosal dissection for early gastric cancer. Gastric Cancer. 2014; 17: 489-96

107. Oka S, Tanaka S, Higashiyama M, Numata N, Sanomura Y, Yoshida S, Arihiro K, Chayama K. Clinical validity of the expanded criteria for endoscopic resection of undifferentiated-type early gastric cancer based on long-term outcomes. Surg Endosc. 2014; 28: 639-47

108. Aoyama T, Oka S, Aikata H, Nakano M, Watari I, Naeshiro N, Yoshida S, Tanaka S, Chayama K. Is small-bowel capsule endoscopy effective for diagnosis of esophagogastric lesions related to portal hypertension? J Gastroenterol Hepatol 2014; 29: 511-6

109. Hayashi N, Tanaka S, Hewett DG, Kaltenbach TR, Sano Y, Ponchon T, Saunders BP, Rex DK, Soetikno RM. Endoscopic prediction of deep submucosal invasive carcinoma: validation of the Narrow-Band Imaging International Colorectal Endoscopic (NICE) classification. Gastrointest Endosc. 2013; 78: 625-32

110. Nakano M, Oka S, Tanaka S, Aoyama T, Watari I, Hayashi R, Miyaki R, Nagai K, Sanomura Y, Yoshida S, Ueno Y, Chayama K. Clinical usefulness of classification by transabdominal ultrasonography for detection of small-bowel stricture. Scand J Gastroenterol. 2013; 48: 1041-7

111. Watari I, Oka S, Tanaka S, Aoyama T, Imagawa H, Shishido T, Yoshida S, Chayama K. Effectiveness of polaprezinc for low-dose aspirin-induced small-bowel mucosal injuries as evaluated by capsule endoscopy: a pilot randomized controlled study. BMC Gastroenterol 2013 Jul 4; 13: 108. http://www.biomedcentral.com/1471-230X/13/108

112. Yamada A, Watabe H, Oka S, Kogure H, Imagawa H, Kobayashi Y, Suzuki H, Watari I, Aoyama T, Isayama H, Yamaji Y, Fujishiro M, Tanaka S, Koike K. Feasibility of spiral enteroscopy in Japanese patients: Study in two tertiary hospitals. Dig Endosc 2013; 25: 406-11.

113. Numata N, Oka S, Tanaka S, Higashimaya M, Sanomura Y, Yoshida S, Arihiro K, Chayama K. Clinical outcomes of endoscopic submucosal dissection for early gastric cancer in patients with chronic kidney disease. J Gastroenterol Hepatol. 2013; 28: 1632-7

114. Miwata T, Hiyama T, Oka S, Tanaka S, Shimamoto F, Arihiro K, Chayama K. Clinicopathologic features of Japanese hyperplastic/serrated polyposis syndrome. J Gastroenterol Hepatol. 2013; 28: 1693-8

115. Oka S, Tanaka S, Nakadoi K, Kanao H, Chayama K. Risk analysis of submucosal invasive rectal carcinomas for lymph node metastasis to expand indication criteria for endoscopic resection. Dig Endosc 2013; 25 (Suppl): 21-5

116. Ozawa SI, Tanaka S, Hayashi N, Nishiyama S, Terasaki M, Nakadoi K, Kanao H, Oka S, Yoshida S, Chayama K. Risk factors for vertical incomplete resection in endoscopic submucosal dissection as total excisional biopsy for submucosal invasive colorectal carcinoma. Int J Colorectal Dis. 2013; 28: 1247-56

117. Tanaka S, Hayashi N, Oka S, Chayama K. Endoscopic assessment of colorectal cancer with superficial or deep submucosal invasion using magnifying colonoscopy. Clin Endosc 2013; 46: 138-46

118. Soetikno R, Subramanian V, Kaltenbach T, Rouse RV, Zarrow R, Zarrow A, Zarrow H, Sanduleanu S, Suzuki N, Tanaka S, McQuaid K. The Detection of Nonpolypoid (Flat and Depressed) Colorectal Neoplasms in Patients with Inflammatory Bowel Disease. Gastroenterology 2013; 144: 1349–1352

119. Tari A, Asaoku H, Kunihiro M, Tanaka S, Yoshino T. Usefulness of positron emission tomography in primary intestinal follicular lymphoma. World J Gastroenterol. 2013; 19: 1992-6.

120. Nakajima T, Saito Y, Tanaka S, Iishi H, Kudo SE, Ikematsu H, Igarashi M, Saitoh Y, Inoue Y, Kobayashi K, Hisasbe T, Matsuda T, Ishikawa H, Sugihara KI. Current status of endoscopic resection strategy for large, early colorectal neoplasia in Japan. Surg Endosc. 2013; 27: 3262-70

121. Okuyama Y, Andoh A, Nishishita M, Fukunaga K, Kamikozuru K, Yokoyama Y, Ueno Y, Tanaka S, Kuge H, Yoshikawa S, Sugahara A, Anami E, Munetomo Y, Watanabe C, Fujiyama Y, Matsumoto T. Multicenter prospective study for clinical and endoscopic efficacies of leukocytapheresis therapy in patients with ulcerative colitis. Scand J Gastroenterol. 2013; 48: 412-8.

122. Miyaki R, Yoshida S, Tanaka S, Kominami Y, Sanomura Y, Matsuo T, Oka S, Raytchev B, Tamaki T, Koide T, Kaneda K, Yoshihara M, Chayama K. Quantitative identification of mucosal gastric cancer under magnifying endoscopy with flexible spectral imaging color enhancement. J Gastroenterol Hepatol 2013; 28: 841-7.

123. Shinagawa K, Kitadai Y, Tanaka M, Sumida T, Onoyama M, Ohnishi M, Ohara E, Higashi Y, Tanaka S, Yasui W, Chayama K. Stroma-directed imatinib therapy impairs the tumor-promoting effect of bone marrow-derived mesenchymal stem cells in an orthotopic transplantation model of colon cancer. Int J Cancer. 2013 132: 813-23

124. Hayashi N, Tanaka S, Kanao H, Oka S, Yoshida S, Chayama K. Relationship between Narrow-Band Imaging Magnifying Observation and Pit Pattern Diagnosis in Colorectal Tumors. Digestion 2013; 87: 53-8.

125. Tanaka S, Terasaki M, Hayashi N, Oka S, Chayama K. Warning for unprincipled colorectal endoscopic submucosal dissection: Accurate diagnosis and reasonable treatment strategy. Dig Endosc 2013; 25: 107-116.

126. Tamaki T, Yoshimuta J, Kawakami M, Raytchev B, Kaneda K, Yoshida S, Takemura Y, Onji K, Miyaki R, Tanaka S. Computer-aided colorectal tumor classification in NBI endoscopy using local features. Med Image Anal. 2013; 17: 78-100

127. Aoyama T, Oka S, Aikata H, Nakano M, Watari I, Naeshiro N, Yoshida S, Tanaka S, Chayama K. Small Bowel Abnormalities in Patients with Compensated Liver Cirrhosis. Dig Dis Sci 2013; 58: 1390-6.

128. Takata S, Tanaka S, Hayashi N, Terasaki M, Nakadoi K, Kanao H, Oka S, Yoshida S, Chayama K. Characteristic magnifying narrow-band imaging features of colorectal tumors in each growth type. Int J Colorectal Dis 2013; 28: 459-68.

129. Higashimaya M, Oka S, Tanaka S, Numata N, Sanomura Y, Yoshida S, Arihiro K, Chayama K. Endoscopic submucosal dissection for residual early gastric cancer after endoscopic submucosal dissection. Gastrointest Endosc 2013; 77: 298-302.

130. Uraoka T, Tanaka S, Matsumoto T, Matsuda T, Oka S, Moriyama T, Higashi R, Saito Y. A novel extra-wide-angle-view colonoscope: a simulated pilot study using anatomic colorectal models. Gastrointest Endosc 2012; 77: 480-483.

131. Kumamoto T, Sentani K, Oka S, Tanaka S, Yasui W. Clinicopathological features of minute pharyngeal lesions diagnosed by narrow-band imaging endoscopy and biopsy. World J Gastroenterol 2012; 18: 6468-74.

132. Takamura A, Ito M, Boda T, Matsumoto Y, Tanaka S, Yoshihara M, Chayama K. High expression of gastrin receptor protein in injured mucosa of Helicobacter pylori-positive gastritis. Dig Dis Sci 2012, 58: 634-40

133. Higashimaya M, Oka S, Tanaka S, Sanomura Y, Yoshida S, Hiyama T, Arihiro K, Shimamoto F, Chayama K. Outcome of endoscopic submucosal dissection for gastric neoplasm in relationship to endoscopic classification of submucosal fibrosis. Gastric Cancer. 2012; 16: 404-10

134. Ohara E, Kitadai Y, Onoyama M, Onishi M, Shinagawa K, Oka S, Yoshida S, Tanaka S, Sakamoto N, Yasui W, Shimamoto F, Chayama K: Regression of rectal MALT lymphoma after antibiotic treatment in a patient negative for Helicobacter pylori. Clin J Gastroenterol 2012; 5: 59-63

135. Tuncel H, Tanaka S, Oka S, Nakai S, Fukutomi R, Okamoto M, Ota T, Kaneko H, Tatsuka M , Shimamoto F. PARP6, a mono (ADP-ribosyl) transferase and a negative regulator of cell proliferation, is involved in colorectal cancer development. Int J Oncol 2012; 41: 2079-2086

136. Hibi T, Sakuraba A, Watanabe M, Motoya S, Ito H, Motegi K, Kinouchi Y, Takazoe M, Suzuki Y, Matsumoto T, Kawakami K, Matsumoto T, Hirata I, Tanaka S, Ashida T, Matsui T. Retrieval of serum infliximab level by shortening the maintenance infusion interval is correlated with clinical efficacy in Crohn's disease. Inflamm Bowel Dis 2012; 18: 1480-7.

137. Kuwabara T, Hiyama T, Oka S, Urabe Y, Tanaka S, Yoshihara M, Arihiro K, Shimamoto F, Chayama K. Clinical features of pharyngeal intraepithelial neoplasias and outcomes of treatment by endoscopic submucosal dissection. Gastrointest Endosc 2012; 76: 1095-1103

138. Tatsugami M, Ito M, Tanaka S, Yoshihara M, Matui H, Haruma K, Chayama K. Bile acid promotes intestinal metaplasia and gastric carcinogenesis. Cancer Epidemiol Biomarkers Prev. 2012; 21: 2101-2107

139. Shida Y, Ichikawa K, Fujimori T, Fujimori Y, Tomita S, Fujii T, Sano Y, Oda Y, Goto H, Ohta A, Tanaka S, Sugai T, Yao T, Ohkura Y, Imura J, Kato H. Differentiation between sessile serrated adenoma/polyp and non-sessile serrated adenoma/polyp in large hyperplastic polyp: A Japanese collaborative study. Molecular and Clinical Oncology 2012: 1: 53-58

140. Okanobu H, Ito M, Tanaka S, Onogawa S, Akagi M, Oh-e H, Nagata S, Okamoto S, Kuwai T, Cho S, Matsumoto Y, Kitamura S, Hidaka T, Chayama K. Evaluation of individual risk in nonvariceal gastrointestinal bleeding patients with NSAID administration: A multicenter study in Japan.
 Digestion 2012; 86: 187-193

141. Kohno T, Tsuge M, Hayes CN, Hatakeyama T, Ohnishi M, Abe H, Miki D, Hiraga N, Imamura M, Takahashi S, Ochi H, Tanaka S, Chayama K. Identification of Novel Hepatitis C Virus Deletion Mutants in Chronic Hepatitis C Patients. Antivir Ther. 2012; 17: 1551-1561

142. Kakugawa Y, Saito Y, Saito S, Watanabe K, Ohmiya N, Murano M, Oka S, Arakawa T, Goto H, Higuchi K, Tanaka S, Ishikawa H, Tajiri H. New reduced volume preparation regimen in colon capsule endoscopy. World J Gastroenterol 2012; 18: 2092-8.

143. Nakadoi K, Tanaka S, Hayashi N, Ozawa S, Terasaki M, Takata S, Kanao H, Oka S, Chayama K. Clinical outcomes of endoscopic submucosal dissection for rectal tumor close to the dentate line. Gastrointest Endosc 2012; 76: 444-50

144. Shishido T, Oka S, Tanaka S, Aoyama T, Watari I, Imagawa H, Yoshida S, Chayama K. Diagnostic yield of capsule endoscopy vs. double-balloon endoscopy for patients who have undergone total enteroscopy with obscure gastrointestinal bleeding. Hepatogastroenterology 2012; 59: 955-9

145. Lambert R, Tanaka S. Laterally spreading tumors in the colon and rectum. Eur J Gastroenterol Hepatol. 2012; 24: 1123-34

146. Hewett DG, Kaltenbach T, Sano Y, Tanaka S, Saunders B, Ponchon T, Soetikno R, Rex DK. Validation of a simple classification system for endoscopic diagnosis of small colorectal polyps using narrow-band imaging. Gastroenterology 2012; 143: 599-607

147. Tanaka S, Terasaki M, Kanao H, Oka S, Chayama K. Current status and future perspectives of endoscopic submucosal dissection for colorectal tumors. Dig Endosc 2012; 24 (Suppl): 73-9

148. Oka S, Tanaka S, Takata S, Kanao H, Chayama K. Usefulness and safety of SB knife Jr in endoscopic submucosal dissection for colorectal tumors. Dig Endosc 2012; 24 (Suppl): 90-5.

149. Ikematsu H, Saito Y, Tanaka S, Uraoka T, Sano Y, Horimatsu T, Matsuda T, Oka S, Higashi R, Ishikawa H, Kaneko K. The impact of narrow band imaging for colon polyp detection: a multicenter randomized controlled trial by tandem colonoscopy. J Gastroenterol 2012; 47: 1099-107.

150. Shishido T, Oka S, Tanaka S, Imagawa H, Takemura Y, Yoshida S, Chayama K. Outcome of patients who have undergone total enteroscopy for obscure gastrointestinal bleeding. World J Gastroenterol 2012; 18: 666-72

151. Ohnishi M, Tsuge M, Kohno T, Zhang Y, Abe H, Hyogo H, Kimura Y, Miki D, Hiraga N, Imamura M, Takahashi S, Ochi H, Hayes CN, Tanaka S, Arihiro K, Chayama K. IL28B polymorphism is associated with fatty change in the liver of chronic hepatitis C patients. J Gastroenterol. 2012; 47: 834-44

152. Matsuo T, Ito M, Tatsugami M, Boda T, Takata S, Tanaka S, Chayama K. Gastric Cancer Development after Helicobacter pylori Eradication Therapy: A New Form of Gastric Neoplasia. Digestion 2012; 85: 61-67

153. Hiyama T, Yoshihara M, Tanaka S, Chayama K. Change in malpractice claims in Japanese gastroenterological practice. Am J Gastroeterol 2012; 107: 143-144 (Letters to the Editor)

154. Hiragun T, Yanase Y, Kose K, Kawaguchi T, Uchida K, Tanaka S, Hide M. Surface plasmon resonance-biosensor detects the diversity of responses against epidermal growth factor in various carcinoma cell lines. Biosens Bioelectron 2012, 32: 202-7

155. Takemura Y, Yoshida S, Tanaka S, Kawase R, Onji K, Oka S, Tamaki T, Raytchev B, Kaneda K, Yoshihara M, Chayama K. Computer-aided system for predicting the histology of colorectal tumors by using narrow-band imaging magnifying colonoscopy (with video). Gastrointest Endosc 2012; 75: 179-85.

156. Kuwabara T, Chayama K, Tanaka S, Oka S, Hiyama T, Yoshihara M. Compliance with standard precautions among gastrointestinal endoscopists and endoscopy nurses in Japan. Am J Infect Control. 2012, 40: 80

157. Nakadoi K, Tanaka S, Kanao H, Terasaki M, Takata S, Oka S, Yoshida S, Arihiro K, Chayama K. Management of T1 colorectal carcinoma with special reference to criteria for curative endoscopic resection. J Gastroenterol Hepatol. 2011, 27: 1057-62

158. Watanabe T, Itabashi M, Shimada Y, Tanaka S, Ito Y, Ajioka Y, Hamaguchi T, Hyodo I, Igarashi M, Ishida H, Ishiguro M, Kanemitsu Y, Kokudo N, Muro K, Ochiai A, Oguchi M, Ohkura Y, Saito Y, Sakai Y, Ueno H, Yoshino T, Fujimori T, Koinuma N, Morita T, Nishimura G, Sakata Y, Takahashi K, Takiuchi H, Tsuruta O, Yamaguchi T, Yoshida M, Yamaguchi N, Kotake K, Sugihara K; Japanese Society for Cancer of the Colon and Rectum. Japanese Society for Cancer of the Colon and Rectum (JSCCR) guidelines 2010 for the treatment of colorectal cancer. Int J Clin Oncol. 2012, 17: 1-29

159. Terasaki M, Tanaka S, Oka S, Nakadoi K, Takata S, Kanao H, Yoshida S, Chayama K. Clinical outcomes of endoscopic submucosal dissection and endoscopic mucosal resection for laterally spreading tumors larger than 20 mm. J Gastroenterol Hepatol. 2012, 27: 734-40

160. Manabe N, Haruma K, Ito M, Takahashi N, Takasugi H, Wada Y, Nakata H, Katoh T, Miyamoto M, Tanaka S. Efficacy of adding sodium alginate to omeprazole in patients with nonerosive reflux disease: a randomized clinical trial. Dis Esophagus. 2012; 25: 373-380

161. Shishido T, Oka S, Tanaka S, Aoyama T, Watari I, Imagawa H, Yoshida S, Hiyama T, Chayama K. Removal of a sewing needle penetrating the wall of the third portion of the duodenum by double-balloon endoscopy. Clin J Gastroenterol 2012; 5: 79-81

162. Ito M, Yoshihara M, Takata S, Wada Y, Matsuo T, Boda T, Tanaka S, Chayama K. Serum screening for detection of the high-risk group for early-stage diffuse type gastric cancer in Japanese. J Gastroenterol Hepatol. 2012, 27: 598-602

163. Yoshioka K, Ueno Y, Tanaka S, Nagai K, Onitake T, Hanaoka R, Watanabe H, Chayama K. Role of natural killer T cells in the mouse colitis-associated colon cancer model. Scand J Immunol 2012, 75: 16-26

164. Sanomura Y, Oka S, Tanaka S, Noda I, Higashiyama M, Imagawa H, Shishido T, Yoshida S, Hiyama T, Arihiro K, Chayama K. Clinical validity of endoscopic submucosal dissection for submucosal invasive gastric cancer: a single-center study. Gastric Cancer. 2012, 15: 97-105

165. Onji K, Yoshida S, Tanaka S, Takemura Y, Oka S, Yoshihara M, Yamada H, Okajima M, Chayama K. Microvascular structure and perfusion imaging of colon cancer by means of contrast-enhanced ultrasonography. Abdom Imaging. 2012, 37: 297-303

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