Search Results - "Doyama, Hisashi"

Recent traction methods for endoscopic submucosal dissection by Tsuji, Kunihiro, Yoshida, Naohiro, Nakanishi, Hiroyoshi, Takemura, Kenichi, Yamada, Shinya, Doyama, Hisashi

“…Endoscopic mucosal resection(EMR) is problematic with regard to en bloc and curable resection rates.Advancements in endoscopic techniques have enabled novel…”
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A non-randomized confirmatory trial of an expanded indication for endoscopic submucosal dissection for intestinal-type gastric cancer (cT1a): the Japan Clinical Oncology Group study (JCOG0607) by Hasuike, Noriaki, Ono, Hiroyuki, Boku, Narikazu, Mizusawa, Junki, Takizawa, Kohei, Fukuda, Haruhiko, Oda, Ichiro, Doyama, Hisashi, Kaneko, Kazuhiro, Hori, Shinichiro, Iishi, Hiroyasu, Kurokawa, Yukinori, Muto, Manabu

“…Background Endoscopic resection has been limited to intestinal-type gastric cancer (cT1a) with a low risk of lymph node metastasis (T1a ≤2 cm, without ulcers)…”
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Magnifying Narrowband Imaging Is More Accurate Than Conventional White-Light Imaging in Diagnosis of Gastric Mucosal Cancer by Ezoe, Yasumasa, Muto, Manabu, Uedo, Noriya, Doyama, Hisashi, Yao, Kenshi, Oda, Ichiro, Kaneko, Kazuhiro, Kawahara, Yoshiro, Yokoi, Chizu, Sugiura, Yasushi, Ishikawa, Hideki, Takeuchi, Yoji, Kaneko, Yoshibumi, Saito, Yutaka

“…Background & Aims It is difficult to accurately diagnose patients with depressed gastric mucosal cancer based on conventional white-light imaging (C-WLI)…”
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Diagnostic performance and limitations of magnifying narrow-band imaging in screening endoscopy of early gastric cancer: a prospective multicenter feasibility study by Yao, Kenshi, Doyama, Hisashi, Gotoda, Takuji, Ishikawa, Hideki, Nagahama, Takashi, Yokoi, Chizu, Oda, Ichiro, Machida, Hirohisa, Uchita, Kunihisa, Tabuchi, Masahiko

“…Background Curative treatment of patients with gastric cancer requires reliable detection of early gastric cancer. Magnifying endoscopy with narrow-band…”
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Image-Enhanced Endoscopy and Its Corresponding Histopathology in the Stomach by Doyama, Hisashi, Nakanishi, Hiroyoshi, Yao, Kenshi

“…In recent years, the technological innovation and progress of endoscopic equipment have been remarkable, and various endoscopic observation techniques have…”
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Near-focus magnification and second-generation narrow-band imaging for early gastric cancer in a randomized trial by Kakushima, Naomi, Yoshida, Naohiro, Doyama, Hisashi, Yano, Tomonori, Horimatsu, Takahiro, Uedo, Noriya, Yamamoto, Yoshinobu, Kanzaki, Hiromitsu, Hori, Shinichiro, Yao, Kenshi, Oda, Ichiro, Tanabe, Satoshi, Yokoi, Chizu, Ohata, Ken, Yoshimura, Kenichi, Ishikawa, Hideki, Muto, Manabu

“…Background Magnifying endoscopy with narrow-band imaging (NBI) is effective for the diagnosis of early gastric cancer (EGC). However, magnifying endoscopy is…”
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Alcohol Consumption and Multiple Dysplastic Lesions Increase Risk of Squamous Cell Carcinoma in the Esophagus, Head, and Neck by Katada, Chikatoshi, Yokoyama, Tetsuji, Yano, Tomonori, Kaneko, Kazuhiro, Oda, Ichiro, Shimizu, Yuichi, Doyama, Hisashi, Koike, Tomoyuki, Takizawa, Kohei, Hirao, Motohiro, Okada, Hiroyuki, Yoshii, Takako, Konishi, Kazuo, Yamanouchi, Takenori, Tsuda, Takashi, Omori, Tai, Kobayashi, Nozomu, Shimoda, Tadakazu, Ochiai, Atsushi, Amanuma, Yusuke, Ohashi, Shinya, Matsuda, Tomonari, Ishikawa, Hideki, Yokoyama, Akira, Muto, Manabu

“…Background & Aims Some patients develop multiple squamous cell carcinomas (SCCs) in the upper aerodigestive tract, attributed to field cancerization; alcohol…”
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Grading of Atrophic Gastritis is Useful for Risk Stratification in Endoscopic Screening for Gastric Cancer by Kaji, Kyosuke, Hashiba, Atsushi, Uotani, Chika, Yamaguchi, Yasushi, Ueno, Toshio, Ohno, Kenji, Takabatake, Ichiro, Wakabayashi, Tokio, Doyama, Hisashi, Ninomiya, Itasu, Kiriyama, Masato, Ohyama, Shigekazu, Yoneshima, Manabu, Koyama, Nobu, Takeda, Yasuo, Yasuda, Kenji

“…In order to screen for gastric cancer effectively, its interval should be set according to the risk. This study aimed to determine whether risk stratification…”
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Efficacy and Safety of Early vs Elective Colonoscopy for Acute Lower Gastrointestinal Bleeding by Niikura, Ryota, Nagata, Naoyoshi, Yamada, Atsuo, Honda, Tetsuro, Hasatani, Kenkei, Ishii, Naoki, Shiratori, Yasutoshi, Doyama, Hisashi, Nishida, Tsutomu, Sumiyoshi, Tetsuya, Fujita, Tomoki, Kiyotoki, Shu, Yada, Tomoyuki, Yamamoto, Katsumi, Shinozaki, Tomohiro, Takata, Munenori, Mikami, Tatsuya, Mabe, Katsuhiro, Hara, Kazuo, Fujishiro, Mitsuhiro, Koike, Kazuhiko

“…We performed a large, multicenter, randomized controlled trial to determine the efficacy and safety of early colonoscopy on outcomes of patients with acute…”
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Outcomes of endoscopic resection for superficial duodenal tumors: 10 years' experience in 18 Japanese high volume centers by Kato, Motohiko, Takeuchi, Yoji, Hoteya, Shu, Oyama, Tsuneo, Nonaka, Satoru, Yoshimizu, Shoichi, Kakushima, Naomi, Ohata, Ken, Yamamoto, Hironori, Hara, Yuko, Doyama, Hisashi, Dohi, Osamu, Yamasaki, Yasushi, Ueyama, Hiroya, Takimoto, Kengo, Kurahara, Koichi, Tashima, Tomoaki, Abe, Nobutsugu, Nakayama, Atsushi, Oda, Ichiro, Yahagi, Naohisa

“…Data on endoscopic resection (ER) for superficial duodenal epithelial tumors (SDETs) are insufficient owing to their rarity. There are two main ER techniques…”
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Factors associated with technical difficulty of endoscopic submucosal dissection for early gastric cancer that met the expanded indication criteria: post hoc analysis of a multi-institutional prospective confirmatory trial (JCOG0607) by Yano, Tomonori, Hasuike, Noriaki, Ono, Hiroyuki, Boku, Narikazu, Ogawa, Gakuto, Kadota, Tomohiro, Oda, Ichiro, Doyama, Hisashi, Hori, Shinichiro, Iishi, Hiroyasu, Takahashi, Akiko, Takizawa, Kohei, Muto, Manabu

“…Background There are few reports on the technical difficulty of gastric endoscopic submucosal dissection (ESD). The aim of this study was to investigate the…”
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Automatic detection of different types of small-bowel lesions on capsule endoscopy images using a newly developed deep convolutional neural network by Otani, Keita, Nakada, Ayako, Kurose, Yusuke, Niikura, Ryota, Yamada, Atsuo, Aoki, Tomonori, Nakanishi, Hiroyoshi, Doyama, Hisashi, Hasatani, Kenkei, Sumiyoshi, Tetsuya, Kitsuregawa, Masaru, Harada, Tatsuya, Koike, Kazuhiko

“…BACKGROUND : Previous computer-aided detection systems for diagnosing lesions in images from wireless capsule endoscopy (WCE) have been limited to a single…”
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Endoscopic diagnosis of superficial non-ampullary duodenal epithelial tumors in Japan: Multicenter case series by Goda, Kenichi, Kikuchi, Daisuke, Yamamoto, Yorimasa, Takimoto, Kengo, Kakushima, Naomi, Morita, Yoshinori, Doyama, Hisashi, Gotoda, Takuji, Maehata, Yuji, Abe, Noritsugu

“…Background and Aim To verify the current status in Japan on endoscopic diagnosis of superficial non‐ampullary duodenal epithelial tumors (SNADET) by a…”
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Analysis of factors related to poor outcome after e-learning training in endoscopic diagnosis of early gastric cancer using magnifying narrow-band imaging by Ikehara, Hisatomo, Doyama, Hisashi, Nakanishi, Hiroyoshi, Hatta, Waku, Gotoda, Takuji, Ishikawa, Hideki, Yao, Kenshi

“…An e-learning system teaching endoscopic diagnostic process for early gastric cancer using magnifying endoscopy with narrow-band imaging (M-NBI) was…”
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Impact of the clip and snare method using the prelooping technique for colorectal endoscopic submucosal dissection by Yamada, Shinya, Doyama, Hisashi, Ota, Ryosuke, Takeda, Yasuhito, Tsuji, Kunihiro, Tsuji, Shigetsugu, Yoshida, Naohiro

“…Endoscopic submucosal dissection (ESD) is more difficult to perform for colorectal tumors, but the use of traction to facilitate direct submucosal layer…”
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Short‐term outcomes of multicenter prospective cohort study of gastric endoscopic resection: ‘Real‐world evidence’ in Japan by Suzuki, Haruhisa, Takizawa, Kohei, Hirasawa, Toshiaki, Takeuchi, Yoji, Ishido, Kenji, Hoteya, Shu, Yano, Tomonori, Tanaka, Shinji, Endo, Masaki, Nakagawa, Masahiro, Toyonaga, Takashi, Doyama, Hisashi, Hirasawa, Kingo, Matsuda, Mitsuru, Yamamoto, Hironori, Fujishiro, Mitsuhiro, Hashimoto, Satoru, Maeda, Yuki, Oyama, Tsuneo, Takenaka, Ryuta, Yamamoto, Yoshinobu, Naito, Yuji, Michida, Tomoki, Kobayashi, Nozomu, Kawahara, Yoshiro, Hirano, Masaaki, Jin, Mario, Hori, Shinichiro, Niwa, Yasumasa, Hikichi, Takuto, Shimazu, Taichi, Ono, Hiroyuki, Tanabe, Satoshi, Kondo, Hitoshi, Iishi, Hiroyasu, Ninomiya, Motoki

“…Objectives A Japanese multicenter prospective cohort study examining endoscopic resection (ER) for early gastric cancer (EGC) has been conducted using a Web…”
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Long-term outcomes of endoscopic submucosal dissection for early gastric cancer: a multicenter collaborative study by Tanabe, Satoshi, Ishido, Kenji, Matsumoto, Takayuki, Kosaka, Takashi, Oda, Ichiro, Suzuki, Haruhisa, Fujisaki, Junko, Ono, Hiroyuki, Kawata, Noboru, Oyama, Tsuneo, Takahashi, Akiko, Doyama, Hisashi, Kobayashi, Masaaki, Uedo, Noriya, Hamada, Kenta, Toyonaga, Takashi, Kawara, Fumiaki, Tanaka, Shinji, Yoshifuku, Yoshikazu

“…Objective The indications for endoscopic submucosal dissection (ESD) in patients with early gastric cancer (EGC) have been expanded. However, the long-term…”
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Comparison of Effective Imaging Modalities for Detecting Gastric Neoplasms: A Randomized 3-Arm Phase II Trial by Kadota, Tomohiro, Abe, Seiichiro, Uedo, Noriya, Doyama, Hisashi, Furue, Yasuaki, Muto, Manabu, Nonaka, Satoru, Takamaru, Hiroyuki, Murano, Tatsuro, Nakajo, Keiichiro, Tani, Yasuhiro, Okubo, Yuki, Kawasaki, Azusa, Yoshida, Naohiro, Watanabe, Akinori, Katada, Chikatoshi, Tamaoki, Masashi, Yokoyama, Akira, Furuya, Hideki, Ikeno, Takashi, Wakabayashi, Masashi, Yano, Tomonori

“…The early detection of gastric neoplasms (GNs) leads to favorable treatment outcomes. The latest endoscopic system, EVIS X1, includes third-generation…”
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Usefulness of third‐generation narrow band imaging and texture and color enhancement imaging in improving visibility of superficial early gastric cancer: A study using color difference by Kawasaki, Azusa, Yoshida, Naohiro, Nakanishi, Hiroyoshi, Tsuji, Shigetsugu, Takemura, Kenichi, Doyama, Hisashi

“…Objectives Overlooking early gastric cancer (EGC) during endoscopy is an issue to be resolved. Image‐enhanced endoscopy is expected to improve EGC detection…”
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Final Analysis of Diagnostic Endoscopic Resection Followed by Selective Chemoradiotherapy for Stage I Esophageal Cancer: JCOG0508 by Nihei, Keiji, Minashi, Keiko, Yano, Tomonori, Shimoda, Tadakazu, Fukuda, Haruhiko, Muto, Manabu, Mizuaswa, Junki, Takizawa, Kohei, Aoyama, Ikuo, Ishiyama, Akiyoshi, Kawata, Noboru, Kikuchi, Daisuke, Hanaoka, Noboru, Oda, Ichiro, Morita, Yoshinori, Tajika, Masahiro, Fujiwara, Junko, Yamamoto, Yoshinobu, Katada, Chikatoshi, Hori, Shinichiro, Doyama, Hisashi, Oyama, Tsuneo, Nebiki, Hiroko, Amagai, Kenji, Kubota, Yutaro, Inokuchi, Yasuhiro, Kobayashi, Nozomu, Suzuki, Takuto, Hirasawa, Kingo, Takeuchi, Toshihisa, Kadota, Tomohiro

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