Author

Tomoyuki Koike 1

1 Tohoku University Graduate School of Medicine,Division of Gastroenterology,Sendai,Japan

STEROID ADMINISTRATION IS AN INDEPENDENT RISK FACTOR FOR REBLEEDING IN HEMORRHAGIC DUODENAL ULCER WITH A DOSE-RESPONSE RELATION

Waku Hatta, Yutaka Kondo, Tomoyuki Koike, Takeshi Kanno, Nobuyuki Ara, Kiyotaka Asanuma, Naoki Asano, A. Imatani, Tooru Shimosegawa

RISK FACTORS FOR THE DEVELOPMENT OF DYSPLASTIC SQUAMOUS EPITHELIUM IN THE ESOPHAGUS

Chikatoshi Katada, Tetsuji Yokoyama, Tomonori Yano, Ichiro Oda, Yuichi Shimizu, Satoshi Tanabe, Hisashi Doyama, Tomoyuki Koike, Kohei Takizawa, Motohiro Hirao, Hiroyuki Okada, Takako Yoshii, Kazuo Konishi, Takenori Yamanouchi, Takashi Tsuda, Tai Omori, Nozomu Kobayashi, Hideki Ishikawa, Akira Yokoyama, Manabu Muto

THE PREDICTIVE INDICATORS FOR METASTASIS IN NON-AMPULLARY DUODENAL NEUROENDOCRINE TUMORS MEASURING 20 MM OR LESS IN GREATEST DIMENSION: A RETROSPECTIVE MULTICENTER STUDY

Waku Hatta, Tomoyuki Koike, Katsunori Iijima, Kiyotaka Asanuma, Naoki Asano, Atsuko Kasajima, Fumiyoshi Fujishima, Hironobu Sasano, Tooru Shimosegawa

THE REPRESENTATIVE CHARACTERISTICS OF SUPERFICIAL BARRETT’S ESOPHAGEAL CANCER ARE A REDDISH AREA LOCATED ON THE ANTERIOR TO RIGHT SIDE WALL IN JAPANESE PATIENTS.

Tomoyuki Koike, Kenichiro Nakagawa, Hirohiko Shinkai, Katsunori Iijima, Tooru Shimosegawa

CONTINUOUSLY CESSATION OR REDUCTION OF DRINKING HABIT IMPROVES THE LUGOL VOIDING LESIONS IN PATIENTS OF ESOPHAGEAL SQUAMOUS CELL CARCINOMA AFTER ENDOSCOPIC RESECTION

Keisuke Hori, Hiroyuki Okada, Kazuo Konishi, Takashi Tsuda, Chikatoshi Katada, Tetsuji Yokoyama, Kazuhiro Kaneko, Yuichi Shimizu, Hisashi Doyama, Tomoyuki Koike, Kohei Takizawa, Motohiro Hirao, Takako Yoshii, Takenori Yamanouchi, Tai Omori, Nozomu Kobayashi, Manabu Mutou

EFFECTS OF ALDH2-GENOTYPE, PPI-TREATMENT AND L-CYSTEINE ON THE LEVELS OF CARCINOGENIC ACETALDEHYDE IN GASTRIC JUICE AND SALIVA AFTER INTRAGASTRIC ALCOHOL ADMINISTRATION

Ryuhei Maejima, Katsunori Iijima, Pertti Kaihovaara, Tomoyuki Koike, Tooru Shimosegawa, Mikko Salaspuro

MANAGEMENTS AND CLINICAL OUTCOMES OF NON-AMPULLARY NEUROENDOCRINE TUMORS OF THE DUODENUM: A RETROSPECTIVE, MULTICENTER STUDY IN JAPAN

Waku Hatta, Tomoyuki Koike, Katsunori Iijima, Gen Kusaka, Yutaka Kondo, Tooru Shimosegawa

THE ASSOCIATED FACTORS FOR THE DEVELOPMENT OF METACHRONOUS GASTRIC CANCERS AFTER ENDOSCOPIC SUBMUCOSAL DISSECTION FOR EARLY GASTRIC CANCERS

Waku Hatta, Katsunori Iijima, Reiko Ami, Hideki Ohkata, Nobuyuki Ara, Kiyotaka Asanuma, Kaname Uno, Naoki Asano, Tomoyuki Koike, Akira Imatani, Tooru Shimosegawa

THE PROXIMAL EXTENT OF WEAKLY ACIDIC LIQUID AND MIXED LIQUID-GAS REFLUX IS A MAJOR FACTOR ASSOCIATED WITH REFLUX PERCEPTION IN PATIENTS WITH NERD ON PPI THERAPY IN JAPAN: STUDY USING COMBINED IMPEDANCE-PH MONITORING

Kenichiro Nakagawa, Tomoyuki Koike, Katsunori Iijima, Tooru Shimosegawa

USEFULNESS OF AN E-LEARNING SYSTEM FOR THE ENDOSCOPIC DIAGNOSIS OF EARLY GASTRIC CANCER USING MAGNIFYING ENDOSCOPY WITH NARROW-BAND IMAGING: A RANDOMIZED CONTROLLED MULTICENTER STUDY

Koji Kojima, Hisashi Doyama, Hiroyoshi Nakanishi, Kenshi Yao, Hideki Ishikawa, Hiroshi Araki, Hiroshi Kashida, Ayumu Hosokawa, Hirohito Mori, Haruhiro Yamasita, Osamu Motohashi, Kazuhiko Kobayashi, Michiaki Hirayama, Hiroyuki Kobayashi, Masaki Endo, Hiroo Yamano, Kazunari Murakami, Tomoyuki Koike, Kingo Hirasawa, Youichi

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