Researcher Database

Tojo Masayuki

■Faculty	Gastroenterology
■Position	Senior Lecturer

Last Updated :2025/07/09

Upward lesion orientation on an endoscopic monitor is an independent factor affecting difficulty of colorectal endoscopic submucosal dissection: a retrospective study, YAMAZAKI Yuta;KATAGIRI Atsushi;MORI Daichi;ONISHI Yoshinao;HIGUCHI Kensuke;SUZUKI Norihiro;KIKUCHI Kazuo;NAKATANI Shinya;INOKI Kazuya;KONDA Kenichi;TOJO Masayuki;YAMAMURA Fuyuhiko;YOSHIDA Hitoshi, Showa Med Univ J, 37(2):71 - 81, Jun. 2025, Peer-reviewed, DOI:https://doi.org/10.15369/smuj.37.2_71

Use of a multibending scope as a rescue scope in gastric endoscopic submucosal dissection: A retrospective study, ONISHI Yoshinao;KATAGIRI Atushi;MORI Daichi;YAMAZAKI Yuta;HIGUCHI Kensuke;SUZUKI Norihiro;KIKUCHI Kazuo;NAKATANI Shinya;GOCHO Toshihiko;INOKI Kazuya;KONDA Kenichi;TOJO Masayuki;YAMAMURA Fuyuhiko;YOSHIDA Hitoshi, Showa Med Univ J, 37(1):2 - 10, Mar. 2025, Peer-reviewed, DOI:https://doi.org/10.15369/smuj.37.1_2https://doi.org/10.15369/smuj.37.1_2

Gastrointestinal Endoscopy for Patients with High Levels of Serum CEA and CA19-9, SUZUKI Norihiro;KATAGIRI Atsushi;NAKATANI Shinya;KIKUCHI Kazuo;GOCHO Toshihiko;YANAGISAWA Fumito;INOKI Kazuya;KONDA Kenichi;TOJO Masayuki;KUBOTA Yutaro;KONISHI Kazuo;YAMAMURA Fuyuhiko;YOSHIDA Hitoshi, Showa Univ J Med Sci, 32(2):115 - 123, Jul. 2020, Peer-reviewed

Enhanced B-cell differentiation driven by advanced cirrhosis resulting in hyperglobulinemia, DOI Hiroyoshi;HAYASHI Eiichi;ARAI Jun;TOJO Masayuki;MORIKAWA Kenichi;EGUCHI Junichi;ITO Takayoshi;KANTO Tatsuya;KAPLAN David E;YOSHIDA Hitoshi, J Gastroenterol Hepatol, 33(9):1667 - 1676, Sep. 2018, Peer-reviewed

Accuracy of the Differential Diagnosis of Colorectal Serrated Polyps Using a Conventional Endoscope: A Prospective Study, YANAGISAWA Fumito;KUBOTA Yutaro;KONISHI Kazuo;KATAGIRI Atsushi;MURAMOTO Takashi;KIHARA Toshihiro;YANO Yuichiro;TOJO Masayuki;SHINMURA Kensuke;KONDA Kenichi;TAGAWA Teppei;IIJIMA Kentaro;GOCHO Toshihiko;YAMAMURA Fuyuhiko;YAMOCHI Toshiko;TAKIMOTO Masafumi;YOSHIDA Hitoshi, Showa Univ J Med Sci, 29(3):253 - 261, Sep. 2017, Peer-reviewed

Magnifying Colonoscopy Findings for Differential Diagnosis of Sessile Serrated Adenoma/Polyps and Hyperplastic Polyps , KIHARA Toshihiro;KUBOTA Yutaro;KONISHI Kazuo ;KATAGIRI Atsushi ;MURAMOTO Takashi ;YANO Yuichiro ;TOJO Masayuki;SHINMURA Kensuke;KONDA Kenichi ;TAGAWA,Teppei ;YANAGISAWA Fumito ;IIJIMA Kentaro ;GOCHO Toshihiko ;YAMAMURA Fuyuhiko;YAMOCHI Toshiko;TAKIMOTO Masafumi;YOSHIDA Hitoshi, Showa Univ J Med Sci, 28(2):147 - 154, Jun. 2016, Peer-reviewed, DOI:10.15369/sujms.28.147

CpG Island Methylator Phenotype in Primary Gastric Carcinoma, TOJO Masayuki;KONISHI Kazuo;YANO Yuichiro;KATAGIRI Atsushi;NOZAWA Hisako;KUBOTA Yutaro;MURAMOTO Takashi;KONDA Kenichi;SHINMURA Kensuke;TAKIMOTO Masafumi;IMAWARI Michio;YOSHIDA Hitoshi, Showa Univ J Med Sci, 25(2):127 - 132, Jun. 2013, Peer-reviewed, DOI:doi.org/10.15369/sujms.25.127

Clinicopathological and molecular features of colorectal serrated neoplasias with different mucosal crypt patterns, YANO Yuichiro;KONISHI Kazuo;YAMOCHI Toshiko;KATAGIRI Atsushi;NOZAWA Hisako;SUZUKI Hiromu;TOYOTA Minoru;KUBOTA Yutaro;MURAMOTO Takashi;KOBAYASHI Yoshiya;TOJO Masayuki;KONDA Kenichi;MAKINO Reiko;YOSHIKAWA Nozomi;OTA Hidekazu;IMAWARI Michio, Am J Gastroenterol, 106(7):1351 - 1358, Jun. 2011

Comparison of cancer drug approval by PMDA in the US, SATOH Etsuko;ISHIDA Hiroo;TAKAHASHI Takehiro;KUBOTA Yutaro;KUSUMOTO Sojiro;KISHINO Yasunari;TOJO Masayuki;HAMADA Kazuyuki;SASAKI Yasutsuna, 第14回日本臨床腫瘍学会学術集会, 29 Jul. 2016, 神戸

Mutation in Protein Tyrosine Phosphatase Receptor Type κEnhances Progression of Colorectal Cancer through WNT Signaling, 東條　正幸;新城　恵子;小西　一男;大岡　史治;勝島　啓佑;畑中　彬良;市村　典久;吉田　仁;近藤　豊, 第74回日本癌学会学術総会, 08 Oct. 2015, 名古屋

Mutation in protein tyrosine phosphatase receptor type K (PTPRK) enhances progression of colon cancer through WNT signaling, TOJO Masayuki;KONISHI Kazuo;SHINJO Keiko;OHKA Fumiharu;KATUSHIMA Keisuke;HATANAKA Akira;ICHIMURA Norihisa;NOZAWA Hisako;SHIMAZAKI Tomoe;YOSHIDA Hitoshi;KONDO Yutaka, AACR 106th Annual Meeting 2015, 22 Apr. 2015, Philadelphia