Author

Hiroki Osumi 1

1 Department of Gastroenterology,Cancer Institute Hospital, Japanese Foundation for Cancer Research,Tokyo,Japan

A SIGNIFICANT INCREASE OF PEPSINOGEN I/II RATIO IS A RELIABLE BIOMARKER FOR SUCCESSFUL HELICOBACTER PYLORI ERADICATION

Hiroki Osumi

A SIGNIFICANT INCREASE OF PEPSINOGEN I/II RATIO IS A RELIABLE BIOMARKER FOR SUCCESSFUL HELICOBACTER PYLORI ERADICATION; A SINGLE INSTITUTE EXPERIENCE IN JAPAN

Hiroki Osumi, Junko Fujisaki, Takanori Suganuma, Masahiro Igarashi, Kazumasa Miki

CHARACTERISTIC ENDOSCOPIC FINDINGS OF HELICOBACTER PYLORI-NEGATIVE EARLY GASTRIC UNDIFFERENTIATED ADENOCARCINOMA

Junko Fujisaki, Hiroki Osumi, Toshiaki Hirasawa, Toshiyuki Yoshio, Yorimasa Yamamoto

CLINICAL OUTCOMES OF ENDOSCOPIC SUBMUCOSAL DISSECTION (ESD) FOR COLORECTAL TUMORS ACCOMPANIED BY FIBROSIS IN THE SUBMUCOSAL LAYER

Yoshiro Tamegai, Kazuhisa Okada, Hiroki Osumi, Akiko Chino, Shoichi Saito, Tsuyoshi Konishi, Yosuke Fukunaga, Tetsuichiro Muto

CLINICAL OUTCOMES OF SALVAGE ENDOSCOPIC THERAPY AFTER CHEMORADIOTHERAPY FOR ESOPHAGEAL CANCER

Hiroki Osumi, Keisho Chin, Akiyoshi ISHIYAMA, Tomohiro Tsuchida, Junko Fujisaki

CLINICOPATHOLOGICAL FEATURES AND LONG-TERM OUTCOME AFTER THE THOROUGH TREATMENT FOR RECTAL NEUROENDOCRINE TUMORS (R-NETS), ANALYSIS OF 304 CASES IN SINGLE CENTER.

Seita Kataoka, Akiko Chino, Teruhito Kishihara, Shoichi Yoshimizu, Hiroki Osumi, Kenjiro Morishige, Hirotaka Ishikawa, Yoshiro Tamegai, Masahiro Igarashi

CLINICOPATHOLOGICAL FEATURES OF EPSTEIN-BARR VIRUS ASSOCIATED GASTRIC CARCINOMA WITH SUBMUCOSAL INVASION

Hiroki Osumi, Hiroshi Kawachi, Toshiyuki Yoshio, Yusuke Horiuchi, Akiyoshi ISHIYAMA, Toshiaki Hirasawa, Tomohiro Tsuchida, Noriko Yamamoto, Junko Fujisaki

LAPAROSCOPY ENDOSCOPY COOPERATIVE SURGERY (LECS) PROCEDURE TO BREAKTHROUGH THE LIMITATION OF ESD AND EMR FOR COLORECTAL TUMORS

Yoshiro Tamegai, Yosuke Fukunaga, Hiroki Osumi, Teruhito Kishihara, Akiko Chino, Shoichi Saito, Masahiro Igarashi

MIXED HISTOLOGICAL-TYPE(INTESTINAL AND DIFFUSE TYPE) EARLY GASTRIC CANCER PATIENTS TENDED TO BE NON-CURATIVE RESECTION BY ENDOSCOPIC SUB-MUCOSAL DISSECTION

Hiroki Osumi, Junko Fujisaki

PITFALL OF PIT PATTERN DIAGNOSIS AND MAGNIFYING ENDOSCOPY WITH NARROW BAND IMAGING -PREDICTION OF THE DEPTH OF SUB MUCOSAL INVASION FOR COLORECTAL NEOPLAS

Hiroki Osumi, Yoshiro Tamegai, Teruhito Kishihara, Akiko Chino, Masahiro Igarashi

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