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Featured researches published by Hajime Yamaguchi.
Archive | 1993
Shigeaki Yoshida; Hajime Yamaguchi; Daizo Saito; Masaaki Kido
Because of the very high risk factor in gastric cancer, its early detection has been a leading project of nationwide cancer control in Japan. As a result, endoscopic. diagnosis of early gastric cancer (EGC) has developed remarkably during the past three decades. Currently, EGC is seen regularly in daily clinical practice [1]. In the meantime, endoscopic criteria of EGC have been extended to faint mucosal irregularities which would be undetectable according to the conventional diagnostic criteria [2]. This paper attempts to assess the recent advances of endoscopic diagnosis, mainly by examining the chronological trend in the endoscopic features and surgical results of EGC treated at the National Cancer Center Hospital (NCCH) in Tokyo.
Jpn J Gastroenterol Surg, Nihon Shokaki Geka Gakkai zasshi | 1995
Masayuki Kurooka; Hajime Yamaguchi; Masayuki Itabashi; Hiroki Tamura; Yuji Tachimori; Hoichi Kato; Hiroshi Watanabe
食道表在癌の内視鏡的深達度診断と内視鏡的根治療法の適応について検討した. 対象は術前未治療で切除されたO-IIc型を主体とした食道表在癌53例57病巣である. 深達度をep, mm1~3, sm1~3の亜分類に分け病理組織学的に検討すると脈管侵襲, リンパ節転移ともに認めなかったのはepまたはmm1癌であり, これらが内視鏡的根治療法の適応と考えられた. 内視鏡像の検討より, epまたはmm1癌の診断は, 1) 深い陥凹を認めない, 2) 表面に大顆粒や結節を認めない, 3) 周囲粘膜の肥厚なし, 4) 硬化像なし, の所見をすべて満たすこととすることができ, その正診率は92.3%であった. したがってこの診断基準を用いれば内視鏡像からepまたはmm1癌を診断することはほぼ可能であり治療前の内視鏡的根治療法の適応決定に有用であると考えられた.
Japanese Journal of Clinical Oncology | 1984
Yanao Oguro; Toshio Hirashima; Hisao Tajiri; Shigeaki Yoshida; Hajime Yamaguchi; Masayoshi Yoshimori; Masayukl Itabashi; Teruyuki Hirota
Jpn J Gastroenterol Surg, Nihon Shokaki Geka Gakkai zasshi | 1991
Kunimoto Nezu; Hoichi Kato; Yuji Tachimori; Hiroshi Watanabe; Masayuki Itabashi; Teruyuki Hirota; Yuuko Yamauchi; Hajime Yamaguchi
Japanese Journal of Clinical Oncology | 1981
Shigeaki Yoshida; Masayoshi Yoshimori; Toshio Hirashima; Hajime Yamaguchi; Hisao Tajiri; Kozo Nakamura; Yanao Oguro; Teruyuki Hirota
Jpn J Gastroenterol Surg, Nihon Shokaki Geka Gakkai zasshi | 1993
Takashi Morimoto; Masayuki Itabashi; Teruyuki Hirota; Hiroshi Watanabe; Hoichi Kato; Yuji Tachimori; Hajime Yamaguchi; Tsutomu Ishikawa; Keizo Saeki
Jpn J Gastroenterol Surg, Nihon Shokaki Geka Gakkai zasshi | 1990
Mitsuru Sasako; Taira Kinoshita; Keiichi Maruyama; Kenzoh Okabayashi; Hisao Tajiri; Shigeaki Yoshida; Hajime Yamaguchi; Daizoh Saitoh; Yanao Oguro; Tsutomu Ishikawa; Hiroto Matsue; Tatsuya Yamada
/data/revues/00165107/v53i2/S0016510701703641/ | 2011
Hitoshi Kondo; Haruhiko Fukuda; Hiroyuki Ono; Takuji Gotoda; Daizo Saito; Kozu Takahiro; Kuniaki Shirao; Hajime Yamaguchi; Shigeaki Yoshida
Jpn J Gastroenterol Surg, Nihon Shokaki Geka Gakkai zasshi | 1998
Akira Kanamoto; Hajime Yamaguchi; Hitoshi Kondo; Takuji Gotoda; Hiroyuki Ono; Yuji Tachimori; Hoichi Kato; Hiroshi Watanabe; Yukihiro Nakanishi
Progress of Digestive Endoscopy(1972) | 1995
Tadashi Yokoyama; Toshihiro Yokota; Daizo Saito; Kuniaki Shirao; Hitoshi Kondo; Hajime Yamaguchi; Kenichi Sugihara; Kennoki Kyo; Takayuki Akasu; Yoshihiro Moriya; Tsutomu Ishikawa; Kyousuke Ushio; Atsushi Ochiai; Yukihiro Nakanishi; Tadakazu Shimoda; Yanao Oguro