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K

Kazuo Ohtsuka

Institute of Science Tokyo

43H指数
304论文数
7.4K被引数
收录论文 122
发表时间
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Baseline Magnetic Resonance Enterography Stratifies Persistence Risk of Crohn’s Disease Strictures基线磁共振小肠造影分层评估克罗恩病狭窄的持续性风险
errClinical Gastroenterology and Hepatology
IF12
err2026-09-15
err0
errOAAI
errKento Takenaka; Junichi Tsuchiya; Ami Kawamoto; Momo Wakui; Shuji Hibiya; Akiko Tamura; Sakurako Kobayashi; Hiromichi Shimizu; Toshimitsu Fujii; Kazuo Ohtsuka; Ryuichi Okamoto
err分享
err收藏
Objective Endoscopic Assessment for Prediction of Secondary Loss of Response of Biologics in Crohn's Disease克罗恩病中生物制剂二次失应答的内镜客观评估预测
errDigestive Endoscopy
IF4.7
err2026-08-31
err0
PREAI
errKazuo Ohtsuka
err分享
err收藏
Clinical utility of single-balloon enteroscopy for malignant small bowel tumors单气囊小肠镜在恶性小肠肿瘤中的临床应用价值
errHernia
IF2.4
err2026-08-10
err0
PREAI
errJiro Kawashima; Shin-Ei Kudo; Noriyuki Ogata; Yasuharu Maeda; Keisuke Sasabe; Yurie Kawabata; Takanori Kuroki; Yosuke Minegishi; Taishi Okumura; Yuta Kouyama; Tatsuya Sakurai; Kenta Nakahara; Katsuro Ichimasa; Masashi Misawa; Takemasa Hayashi; Naruhiko Sawada; Toshiyuki Baba; Kazuo Ohtsuka
err分享
err收藏
AI-based quantification of inflammatory extent for relapse prediction in ulcerative colitis: a prospective cohort study基于人工智能的溃疡性结肠炎炎症程度量化对复发预测的前瞻性队列研究
errJournal of Crohn's and Colitis
IF8.7
err2026-07-30
err0
errOAAI
errYasuharu Maeda; Shin-Ei Kudo; Noriyuki Ogata; Kento Takenaka; Kaoru Takabayashi; Takanori Kuroki; Yurie Kawabata; Taishi Okumura; Tatsuya Sakurai; Yuta Kouyama; Katsuro Ichimasa; Takemasa Hayashi; Toshiyuki Baba; Haruhiko Ogata; Kazuo Ohtsuka; Yuichi Mori; Marietta Iacucci; Masashi Misawa; null
err分享
err收藏
Case Report of a Rapidly Progressive Indolent T-Cell Lymphoma of the Gastrointestinal Tract胃肠道的快速进展性惰性T细胞淋巴瘤病例报告
errDEN Open
IF1.5
err2026-05-19
err0
errOAAI
errShibuya, Keitaro; Tamura, Akiko; Yafuso, Daiki; Kawamoto, Ami; Hibiya, Shuji; Takenaka, Kento; Shimizu, Hiromichi; Fujii, Toshimitsu; Ohtsuka, Kazuo; Okamoto, Ryuichi
err分享
err收藏
Peptide-based Wnt signal activation enables scalable production of clinical-grade patient-derived intestinal organoids for regenerative cell therapy基于多肽的Wnt信号激活实现了规模化生产临床级患者源性肠道类器官，用于再生细胞疗法
errStem Cell Research & Therapy
IF7.3
err2026-03-29
err0
errOAAI
errHady Yuki Sugihara; Sayaka Nagata; Sho Kawasaki; Junichi Takahashi; Yui Hiraguri; Masayoshi Fukuda; Kohei Suzuki; Tatsuro Murano; Satoru Fujii; Toshimitsu Fujii; Hiromichi Shimizu; Kazuo Ohtsuka; Mamoru Watanabe; Ryuichi Okamoto; Tomohiro Mizutani
err分享
err收藏
Efficacy and Rapid Response of Ustekinumab for Hospitalized Patients With Severe Ulcerative Colitis乌司奴单抗对住院重症溃疡性结肠炎患者的疗效与快速应答
errInflammatory Bowel Diseases
IF4.3
err2026-03-16
err0
PREAI
errAkiko Tamura, PhD; Toshimitsu Fujii, PhD; Shun Fujiwara, MD; Chiaki Maeyashiki, PhD; Ryo Morikawa, PhD; Ami Kawamoto, PhD; Shuji Hibiya, PhD; Kento Takenaka, PhD; Hiromichi Shimizu, PhD; Kazuo Ohtsuka, PhD; Ryuichi Okamoto, PhD
err分享
err收藏
Stricture dynamics and prognosis during biologic therapy in ileal Crohn's disease: a real-world cohort在生物制剂治疗期间回肠克罗恩病的狭窄动力学和预后：一项真实世界队列研究
errInflammatory Bowel Diseases
IF4.3
err2026-02-01
err0
PREAI
errTakenaka, Kento; Kawamoto, Ami; Hibiya, Shuji; Tamura, Akiko; Morikawa, Ryo; Shimizu, Hiromichi; Fujii, Toshimitsu; Ohtsuka, Kazuo; Okamoto, Ryuichi
err分享
err收藏
A case of immune-mediated adverse events enterocolitis and duodenitis with gastrointestinal bleeding successfully treated with ustekinumab免疫介导的不良事件性肠结肠炎和十二指肠炎伴胃肠道出血，经ustekinumab成功治疗病例
errClinical Journal of Gastroenterology
IF0.9
err2026-01-01
err0
PREAI
errMorikawa, Ryo; Hachisu, Yuka; Fujii, Toshimitsu; Kondo, Hiromi; Mochizuki, Akifumi; Onizawa, Risa; Onishi, Iichiroh; Ohtsuka, Kazuo; Okamoto, Ryuichi
err分享
err收藏
A Case of Gastric Metastasis of Renal Cell Carcinoma Resected by Endoscopic Submucosal Dissection After Endoscopic Follow-up of Morphological Changes一例肾细胞癌胃转移病例，经内镜下黏膜下剥离术切除，此前已对形态学变化进行内镜随访
errDEN OPEN
IF1.5
err2025-12-01
err0
errOAAI
errFukami, Yuichi; Nishihira, Nagako; Kawakami, Kazuki; Hayakawa, Yuka; Matsui, Yuki; Wakiya, Midori; Fukuda, Masayoshi; Shimizu, Hiromichi; Ohtsuka, Kazuo; Okamoto, Ryuichi
err分享
err收藏
Advanced endoscopy and artificial intelligence-enabled vascular healing for ulcerative colitis: promising frontiers or mere mirage?高级内镜与人工智能赋能的血管修复在溃疡性结肠炎中的应用：是充满希望的前沿，还是海市蜃楼？
errClinical Endoscopy
IF2.3
err2025-12-01
err0
PREAI
errMaeda, Yasuharu; Kudo, Shin-ei; Kuroki, Takanori; Kawabata, Yurie; Ohara, Jun; Ichimasa, Katsuro; Ogata, Noriyuki; Ohtsuka, Kazuo; Misawa, Masashi
err分享
err收藏
Diagnostic Performance of Fecal Biomarkers and Their Correlation with Endoscopic Severity in Immune Checkpoint Inhibitor-Related Colitis粪便生物标志物的诊断性能及其与免疫检查点抑制剂相关结肠炎内镜严重程度的相关性
errDIGESTION
IF3.6
err2025-12-01
err0
PREAI
errMorikawa, Ryo; Fujii, Toshimitsu; Tamura, Akiko; Kawamoto, Ami; Hibiya, Shuji; Takenaka, Kento; Shimizu, Hiromichi; Kano, Yoshihito; Suenaga, Mitsukuni; Hamamoto, Yasuo; Ohtsuka, Kazuo; Okamoto, Ryuichi
err分享
err收藏
Clinicopathological features and prognosis of metastatic tumors in the small bowel: a large multicenter analysis of the JSCCR database in Japan小肠转移性肿瘤的临床病理特征与预后：基于日本JSCCR数据库的多中心大样本分析
errJournal of Gastroenterology
IF5.5
err2025-11-18
err0
errOAAI
errAkiyoshi Tsuboi; Shiro Oka; Takeshi Yamada; Keigo Mitsui; Hironori Yamamoto; Keiichi Takahashi; Akio Shiomi; Kinichi Hotta; Yoji Takeuchi; Toshio Kuwai; Fumio Ishida; Shin-Ei Kudo; Shoichi Saito; Masashi Ueno; Eiji Sunami; Tomoki Yamano; Michio Itabashi; Kazuo Ohtsuka; Yusuke Kinugasa; Takayuki Matsumoto; Tamotsu Sugai; Toshio Uraoka; Koichi Kurahara; Shigeki Yamaguchi; Tomohiro Kato; Masazumi Okajima; Hiroshi Kashida; Fumihiko Fujita; Hiroaki Ikematsu; Masaaki Ito; Motohiro Esaki; Masaya Kawai; Takashi Yao; Madoka Hamada; Takahiro Horimatsu; Keiji Koda; Yasumori Fukai; Koji Komori; Yusuke Saitoh; Yukihide Kanemitsu; Hiroyuki Takamaru; Kazutaka Yamada; Hiroaki Nozawa; Tetsuji Takayama; Kazutomo Togashi; Eiji Shinto; Takehiro Torisu; Akira Toyoshima; Naoki Ohmiya; Takeshi Kato; Eigo Otsuji; Shinji Nagata; Yojiro Hashiguchi; Kenichi Sugihara; Yoichi Ajioka; Shinji Tanaka
err分享
err收藏
A Rare Case of Immune-related Adverse Events Localized to the Small Intestine一例局限于小肠的免疫相关不良事件罕见病例
errDEN OPEN
IF1.5
err2025-09-07
err1
errOAAI
errMorikawa, Ryo; Kanaya, Ryosuke; Shimizu, Hiromichi; Fukuda, Masayoshi; Nemoto, Yasuhiro; Fujii, Toshimitsu; Taguchi, Towako; Yamamoto, Kurara; Ohtsuka, Kazuo; Okamoto, Ryuichi
err分享
err收藏
Clinical impact of combination of lesion-border findings and pit patterns for identifying invasive versus non-invasive neoplastic lesions in ulcerative colitis溃疡性结肠炎中，结合病变边缘特征与陷窝模式对鉴别侵袭性与非侵袭性新生物病变的临床影响
errGastrointestinal Endoscopy
IF7.5
err2025-08-06
err0
PREAI
errYurie Kawabata; Shin-ei Kudo; Yasuharu Maeda; Takanori Kuroki; Kazumi Takishima; Yuki Takashina; Yosuke Minegishi; Taishi Okumura; Tatsuya Sakurai; Yuta Kouyama; Yushi Ogawa; Katsuro Ichimasa; Masashi Misawa; Takemasa Hayashi; Kunihiko Wakamura; Naruhiko Sawada; Toshiyuki Baba; Tetsuo Nemoto; Kazuo Ohtsuka; Noriyuki Ogata
err分享
err收藏
Intestinal CD4−CD8αβ−TCRαβ+ T cells function as tolerogenic antigen presenting cells in mice肠道CD4−CD8αβ−TCRαβ+ T细胞在 mice 中作为耐受原性抗原提呈细胞发挥作用
errNature Communications
IF15.7
err2025-08-01
err0
errOAAI
errYasuhiro Nemoto; Ryo Morikawa; Yuki Yonemoto; Shohei Tanaka; Yuria Takei; Shigeru Oshima; Takashi Nagaishi; Kiichiro Tsuchiya; Tetsuya Nakamura; Kento Takenaka; Kazuo Ohtsuka; Xigui Chen; Hitoshi Okazawa; Ryuichi Okamoto; Mamoru Watanabe; Ulrich H. von Andrian
err分享
err收藏
Comparative short-term efficacy of upadacitinib versus tofacitinib for ulcerative colitis: a 24-week real-world study in Japan比较upadacitinib与tofacitinib治疗溃疡性结肠炎的短期疗效: 日本一项为期24周的真实世界研究
errINTESTINAL RESEARCH
IF3.9
err2025-03-01
err0
errOAAI
errTamura, Akiko; Shimizu, Hiromichi; Fujii, Toshimitsu; Kawamoto, Ami; Morikawa, Ryo; Hibiya, Shuji; Takenaka, Kento; Nagahori, Masakazu; Ohtsuka, Kazuo; Okamoto, Ryuichi
err分享
err收藏
Guidelines for endoscopic diagnosis and treatment of inflammatory bowel diseases炎症性肠病内镜诊治指南
errDIGESTIVE ENDOSCOPY
IF4.7
err2025-03-01
err0
errOAAI
errMatsumoto, Takayuki; Hisamatsu, Tadakazu; Esaki, Motohiro; Omori, Teppei; Sakuraba, Hirotake; Shinzaki, Shinichiro; Sugimoto, Ken; Takenaka, Kento; Naganuma, Makoto; Bamba, Shigeki; Hisabe, Takashi; Hiraoka, Sakiko; Fujiya, Mikihiro; Matsuura, Minoru; Yanai, Shunichi; Watanabe, Kenji; Ogata, Haruhiko; Andoh, Akira; Nakase, Hiroshi; Ohtsuka, Kazuo; Hirai, Fumihito; Fujishiro, Mitsuhiro; Igarashi, Yoshinori; Tanaka, Shinji
err分享
err收藏
Combination of white-light imaging-based and narrow-band imaging-based artificial intelligence models during colonoscopy in patients with ulcerative colitis
errJOURNAL OF CROHNS & COLITIS
IF8.7
err2025-01-31
err0
PREAI
errKuroki, Takanori; Maeda, Yasuharu; Kudo, Shin-Ei; Ogata, Noriyuki; Takabayashi, Kaoru; Takenaka, Kento; Kawashima, Jiro; Kawabata, Yurie; Iwasaki, Shunto; Shiina, Osamu; Morita, Yuriko; Kouyama, Yuta; Sakurai, Tatsuya; Ogawa, Yushi; Baba, Toshiyuki; Mori, Yuichi; Iacucci, Marietta; Ogata, Haruhiko; Ohtsuka, Kazuo; Misawa, Masashi
err分享
err收藏
Inadequate Efficacy of Biologics for Treating Proximal Ileal Lesions in Crohn’s Disease: A Prospective Multicenter Study生物制剂治疗克罗恩病近端回肠病变疗效不足：一项前瞻性多中心研究
errClinical Gastroenterology and Hepatology
IF12
err2024-12-16
err0
PREAI
errKento Takenaka; Tadakazu Hisamatsu; Taku Kobayashi; Hironori Yamamoto; Naoki Ohmiya; Ryohei Hayashi; Katsuyoshi Matsuoka; Masayuki Saruta; Akira Andoh; Norimasa Fukata; Kenji Watanabe; Hiroyuki Imaeda; Fumihito Hirai; Takayuki Matsumoto; Akihiro Hirakawa; Tomonori Yano; Minoru Matsuura; Ryuichi Okamoto; Kazuo Ohtsuka; Mamoru Watanabe
err分享
err收藏

研究方向

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合作学者
合作期刊
Shigekazu Nagata 封面图
Shigekazu Nagata (Shigekazu Nagata)
H 指数: 133 · 论文数: 865
U
Ulrich H. von Andrian
H 指数: 125 · 论文数: 420
S
Shinji Tanaka
H 指数: 102 · 论文数: 1.2K
T
Toshifumi Hibi∥
H 指数: 101 · 论文数: 1.4K
K
Kazuhiko Koike
H 指数: 99 · 论文数: 1.6K
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