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Masakazu Yamamoto

utsunomiya memorial hospital

81H-index
891Paper Count
2.9WCitation Count
Published Papers 239
Publication Date
Non-operative observational strategy for small non-functioning pancreatic neuroendocrine neoplasms: A feasible option?
err2025-07-24
err0
PREAI
errWataru Izumo; Ryota Higuchi; Toru Furukawa; Takehisa Yazawa; Shuichiro Uemura; Masahiro Shiihara; Masakazu Yamamoto; Goro Honda
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Comprehensive data of 5085 patients newly diagnosed with colorectal liver metastasis between 2013 and 2017: Fourth report of a nationwide survey in Japan
err2024-11-12
err0
errOAAI
errSakamoto, Katsunori; Beppu, Toru; Honda, Goro; Kotake, Kenjiro; Yamamoto, Masakazu; Takahashi, Keiichi; Endo, Itaru; Hasegawa, Kiyoshi; Itabashi, Michio; Hashiguchi, Yojiro; Kotera, Yoshihito; Kobayashi, Shin; Yamaguchi, Tatsuro; Kawai, Kazushige; Natsume, Soichiro; Tabuchi, Ken; Kobayashi, Hirotoshi; Yamaguchi, Kensei; Tani, Kimitaka; Morita, Satoshi; Ajioka, Yoichi; Miyazaki, Masaru; Sugihara, Kenichi
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Evaluation of two-stage hepatectomy using portal vein embolization for colorectal liver metastasis: a retrospective nationwide cohort survey in Japan
err2024-10-01
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errOAAI
errShimizu, Takayuki; Aoki, Taku; Ishizuka, Mitsuru; Sakamoto, Katsunori; Beppu, Toru; Honda, Goro; Kotake, Kenjiro; Yamamoto, Masakazu; Takahashi, Keiichi; Endo, Itaru; Hasegawa, Kiyoshi; Itabashi, Michio; Hashiguchi, Yojiro; Kotera, Yoshihito; Kobayashi, Shin; Yamaguchi, Tatsuro; Natsume, Soichiro; Tabuchi, Ken; Kobayashi, Hirotoshi; Yamaguchi, Kensei; Tani, Kimitaka; Morita, Satoshi; Miyazaki, Masaru; Sugihara, Kenichi; Ajioka, Yoichi
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Conversion surgery for initially unresectable locally advanced biliary tract cancer: A multicenter collaborative study conducted in Japan and Korea
err2024-05-31
err1
PREAI
errYabushita, Yasuhiro; Park, Joon Seong; Yoon, Yoo-Seok; Ohtsuka, Masayuki; Kwon, Wooil; Choi, Gi Hong; Imamura, Masafumi; Matsumoto, Ippei; Mizuno, Shugo; Matsuyama, Ryusei; Sakata, Jun; Hayashi, Hiromitsu; Takeda, Yutaka; Katagiri, Satoshi; Sugawara, Toshitaka; Kobayashi, Shogo; Kawasaki, Yota; Nagano, Hiroaki; Murase, Katsutoshi; Kim, Hyung Sun; Nah, Yang Won; Jang, Jin-Young; Yamaue, Hiroki; Yoon, Dong Sup; Yamamoto, Masakazu; Choi, Dongho; Nakamura, Masafumi; Kim, Ki-Hun; Endo, Itaru
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Validation of quantitative prognostic prediction using ADV score for resection of hepatocellular carcinoma: A Korea-Japan collaborative study with 9200 patients
err2023-03-07
err3
PREAI
errKang, Woo-Hyoung; Hwang, Shin; Kaibori, Masaki; Kim, Jong Man; Kim, Kyung Sik; Kobayashi, Tsuyoshi; Kayashima, Hiroto; Koh, Yang Seok; Kubota, Keiichi; Mori, Akira; Takeda, Yutaka; Yun, Sung Su; Matsui, Kousuke; Toriguchi, Kan; Nagano, Hiroaki; Yoon, Myung Hee; Soejima, Yuji; Ariizumi, Shunichi; Kim, Bum-Soo; Park, Yohan; Yu, Hee Chul; Kim, Bong Wan; Lee, Jung Bok; Park, Sang-Jae; Jang, Jin-Young; Yamaue, Hiroki; Nakamura, Masafumi; Yamamoto, Masakazu; Endo, Itaru
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Transplantation of hybrid adipose-derived stem cell sheet with autologous peritoneum: An in vivo feasibility study
errHELIYON
IF3.6
err2023-02-01
err4
errOAAI
errMatsuo, Natsuki; Ohki, Takeshi; Aoyama, Shota; Yamaguchi, Shigeki; Itabashi, Michio; Egawa, Hiroto; Yamamoto, Masakazu
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Serine/Threonine Kinase 11 Plays a Canonical Role in Malignant Progression of KRAS-Mutant and GNAS-Wild-Type Intraductal Papillary Mucinous Neoplasms of the Pancreas
err2023-01-10
err11
PREAI
errOmori, Yuko; Ono, Yusuke; Morikawa, Takanori; Motoi, Fuyuhiko; Higuchi, Ryota; Yamamoto, Masakazu; Hayakawa, Yuko; Karasaki, Hidenori; Mizukami, Yusuke; Unno, Michiaki; Furukawa, Toru
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Liver Resection for Hepatocellular Carcinoma With Tumor Thrombus in the Inferior Vena Cava or Right Atrium A Large-scale Multicenter Survey Conducted in Japan
err2023-01-02
err8
PREAI
errIchida, Akihiko; Kokudo, Takashi; Shimada, Shingo; Hatano, Etsuro; Kubo, Shoji; Kato, Yutaro; Ishikawa, Yoshiya; Mori, Akira; Baba, Hideo; Matsuyama, Yutaka; Endo, Itaru; Yamaue, Hiroki; Yamamoto, Masakazu; Kokudo, Norihiro; Hasegawa, Kiyoshi
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Validation study of the JSHBPS nomogram for patients with colorectal liver metastases who underwent hepatic resection in the recent era - a nationwide survey in Japan
err2022-11-08
err9
errOAAI
errBeppu, Toru; Yamamura, Kensuke; Sakamoto, Katsunori; Honda, Goro; Kobayashi, Shin; Endo, Itaru; Hasegawa, Kiyoshi; Kotake, Kenjiro; Itabashi, Michio; Hashiguchi, Yojiro; Kotera, Yoshihito; Yamaguchi, Tatsuro; Natsume, Soichiro; Tabuchi, Ken; Kobayashi, Hirotoshi; Yamaguchi, Kensei; Morita, Satoshi; Kikuchi, Ken; Miyazaki, Masaru; Sugihara, Kenichi; Yamamoto, Masakazu; Takahashi, Keiichi
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Comprehensive data of 4502 patients newly diagnosed with colorectal liver metastasis between 2015 and 2017, and prognostic data of 2427 patients newly diagnosed with colorectal liver metastasis in 2013 and 2014: Third report of a nationwide survey in Japan
err2022-11-04
err5
PREAI
errSakamoto, Katsunori; Beppu, Toru; Honda, Goro; Kotake, Kenjiro; Yamamoto, Masakazu; Takahashi, Keiichi; Endo, Itaru; Hasegawa, Kiyoshi; Itabashi, Michio; Hashiguchi, Yojiro; Kotera, Yoshihito; Kobayashi, Shin; Yamaguchi, Tatsuro; Natsume, Soichiro; Tabuchi, Ken; Kobayashi, Hirotoshi; Yamaguchi, Kensei; Tani, Kimitaka; Morita, Satoshi; Miyazaki, Masaru; Sugihara, Kenichi
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Surgical outcomes of laparoscopic versus open hepatectomy for left hepatocellular carcinoma: Propensity score analyses using retrospective Japanese and Korean individual patient data
err2022-10-05
err3
errOAAI
errKaibori, Masaki; Yoshii, Kengo; Umeda, Yuzo; Yagi, Takahito; Okabayashi, Takehiro; Sui, Kenta; Mori, Akira; Hamaguchi, Yuhei; Kajiyama, Kiyoshi; Hokuto, Daisuke; Monden, Kazuteru; Yoshizumi, Tomoharu; Nomura, Yoriko; Toriguchi, Kan; Kim, Jong Man; Choi, Gi Hong; Ryu, Je Ho; Koh, Yangseok; Kang, Koo Jeong; You, Young Kyoung; Chun, Kwang-Sik; Han, Young Seok; Cho, Chan Woo; Choi, Young Il; Kim, Dong-Sik; Yang, Jae Do; Mori, Keita; Hiraoka, Atsushi; Yamaue, Hiroki; Nakamura, Masafumi; Yamamoto, Masakazu; Endo, Itaru
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Proposal of nomograms to predict clinical outcomes in patients with ampulla of Vater cancer based on the Korea-Japan collaborative study
err2022-09-05
err1
PREAI
errKim, Hyung Sun; Kim, Woojin; Endo, Itaru; Jang, Jin-Young; Kim, Hongbeom; Song, Ki Byung; Hwang, Dae Wook; Kang, Chang Moo; Hwang, Ho Kyoung; Park, Sang-Jae; Han, Sung-Sik; Yoon, Yoo-Seok; Do Yang, Jae; Amano, Ryosuke; Yamazoe, Sadaaki; Yanagimoto, Hiroaki; Ajiki, Tetsuo; Ohtsuka, Masayuki; Suzuki, Daisuke; Lee, Dong-Shik; Kitahata, Yuji; Amaya, Koji; Sakata, Jun; Seo, Hyung Il; Yamauchi, Junichiro; Yabushita, Yasuhiro; Tanaka, Takayuki; Sakurai, Naoki; Hirashita, Teijiro; Horiguchi, Akihiko; Unno, Michiaki; Do You, Dong; Yamashita, Yo-ichi; Kobayashi, Shogo; Kyoden, Yusuke; Ide, Takao; Nagano, Hiroaki; Nakamura, Masafumi; Yamaue, Hiroki; Yamamoto, Masakazu; Park, Joon Seong
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A nationwide certification system to increase the safety of highly advanced hepatobiliary-pancreatic surgery
err2022-06-13
err19
errOAAI
errOtsubo, Takehito; Kobayashi, Shinjiro; Sano, Keiji; Misawa, Takeyuki; Katagiri, Satoshi; Nakayama, Hisashi; Suzuki, Shuji; Watanabe, Manabu; Ariizumi, Shunichi; Unno, Michiaki; Tanabe, Minoru; Nagano, Hiroaki; Kokudo, Norihiro; Hirano, Satoshi; Nakamura, Masafumi; Ken Shirabe; Suzuki, Yasuyuld; Yoshida, Masahiro; Takada, Yasutsugu; Nakagohri, Toshio; Horiguchi, Akihiko; Ohdan, Hideki; Eguchi, Susumu; Ohtsuka, Masayuki; Sho, Masayuki; Rikiyama, Toshiki; Hatano, Etsuro; Taketomi, Akinobu; Fujii, Tsutomu; Yamaue, Hiroki; Miyazaki, Masaru; Yamamoto, Masakazu; Takada, Tadahiro; Endo, Itaru
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Surgical outcomes of laparoscopic versus open repeat liver resection for liver cancers: A report from a nationwide surgical database in Japan
err2022-05-09
err7
errOAAI
errKaibori, Masaki; Ichihara, Nao; Miyata, Hiroaki; Kakeji, Yoshihiro; Nanashima, Atsushi; Kitagawa, Yuko; Yamaue, Hiroki; Yamamoto, Masakazu; Endo, Itaru
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Clinical outcomes of organ-preserving pancreatectomy for benign or low-grade malignant pancreatic tumors: A multicenter nationwide survey in Japan
err2022-04-30
err3
PREAI
errAsano, Yukio; Kato, Hiroyuki; Arakawa, Satoshi; Ito, Masahiro; Nagakawa, Takukazu; Nakao, Akimasa; Ohta, Tetsuo; Yamaue, Hiroki; Yamamoto, Masakazu; Satoi, Sohei; Kodera, Yasuhiro; Takeyama, Yoshifumi; Ohtsuka, Masayuki; Endo, Itaru; Takada, Tadahiro; Horiguchi, Akihiko
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Outcomes of lung metastasis from pancreatic cancer: A nationwide multicenter analysis
err2022-03-06
err30
PREAI
errHomma, Yuki; Endo, Itaru; Matsuyama, Ryusei; Sho, Masayuki; Mizuno, Shugo; Seyama, Yasuji; Hirano, Satoshi; Aono, Takashi; Kitami, Chie; Morita, Yoshifumi; Takeda, Yutaka; Yoshida, Kazuhiro; Tani, Masaji; Kaiho, Takashi; Yamamoto, Yuzo; Aoki, Hideki; Ogawa, Masao; Niguma, Takefumi; Mataki, Yuko; Kawasaki, Hiroshi; Baba, Hideo; Yokomizo, Hiroshi; Rikiyama, Toshiki; Yamaue, Hiroki; Yamamoto, Masakazu
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Original Research Individual patient data meta-analysis of adjuvant gemcitabine-based chemotherapy for biliary tract cancer: combined analysis of the BCAT and PRODIGE-12 studies
err2022-03-01
err17
PREAI
errEdeline, Julien; Hirano, Satoshi; Bertaut, Aurelie; Konishi, Masaru; Benabdelghani, Meher; Uesaka, Katsuhiko; Watelet, Jerome; Ohtsuka, Masayuki; Hammel, Pascal; Kaneoka, Yuji; Joly, Jean-Paul; Yamamoto, Masakazu; Monard, Laure; Ambo, Yoshiyasu; Louvet, Christophe; Ando, Masahiko; Malka, David; Nagino, Masato; Phelip, Jean-Marc; Ebata, Tomoki
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Liver Cancer Study Group of Japan Clinical Practice Guidelines for Intrahepatic Cholangiocarcinoma
err2022-02-23
err55
errOAAI
errKubo, Shoji; Shinkawa, Hiroji; Asaoka, Yoshinari; Ioka, Tatsuya; Igaki, Hiroshi; Izumi, Namiki; Itoi, Takao; Unno, Michiaki; Ohtsuka, Masayuki; Okusaka, Takuji; Kadoya, Masumi; Kudo, Masatoshi; Kumada, Takashi; Kokudo, Norihiro; Sakamoto, Michiie; Sakamoto, Yoshihiro; Sakurai, Hideyuki; Takayama, Tadatoshi; Nakashima, Osamu; Nagata, Yasushi; Hatano, Etsuro; Harada, Kenichi; Murakami, Takamichi; Yamamoto, Masakazu
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The Tokyo 2020 terminology of liver anatomy and resections: Updates of the Brisbane 2000 system
err2021-12-20
err103
PREAI
errWakabayashi, Go; Cherqui, Daniel; Geller, David A.; Abu Hilal, Mohammed; Berardi, Giammauro; Ciria, Ruben; Abe, Yuta; Aoki, Takeshi; Asbun, Horacio J.; Chan, Albert C. Y.; Chanwat, Rawisak; Chen, Kuo-Hsin; Chen, Yajin; Cheung, Tan To; Fuks, David; Gotohda, Naoto; Han, Ho-Seong; Hasegawa, Kiyoshi; Hatano, Etsuro; Honda, Goro; Itano, Osamu; Iwashita, Yukio; Kaneko, Hironori; Kato, Yutaro; Kim, Ji Hoon; Liu, Rong; Lopez-Ben, Santiago; Morimoto, Mamoru; Monden, Kazuteru; Rotellar, Fernando; Sakamoto, Yoshihiro; Sugioka, Atsushi; Yoshiizumi, Tomoharu; Akahoshi, Keiichi; Alconchel, Felipe; Ariizumi, Shunichi; Benedetti Cacciaquerra, Andrea; Duran, Manuel; Garcia Vazquez, Alain; Golse, Nicolas; Miyasaka, Yoshihiro; Mori, Yasuhisa; Ogiso, Satoshi; Shirata, Chikara; Tomassini, Federico; Urade, Takeshi; Wakabayashi, Taiga; Nishino, Hitoe; Hibi, Taizo; Kokudo, Norihiro; Ohtsuka, Masayuki; Ban, Daisuke; Nagakawa, Yuichi; Ohtsuka, Takao; Tanabe, Minoru; Nakamura, Masafumi; Tsuchida, Akihiko; Yamamoto, Masakazu
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Minimally invasive anatomic liver resection: Results of a survey of world experts
err2021-12-15
err24
PREAI
errMorimoto, Mamoru; Monden, Kazuteru; Wakabayashi, Taiga; Gotohda, Naoto; Abe, Yuta; Honda, Goro; Abu Hilal, Mohammed; Aoki, Takeshi; Asbun, Horacio J.; Berardi, Giammauro; Chan, Albert C. Y.; Chanwat, Rawisak; Chen, Kuo-Hsin; Chen, Yajin; Cherqui, Daniel; Cheung, Tan To; Ciria, Ruben; Fuks, David; Geller, David A.; Han, Ho-Seong; Hasegawa, Kiyoshi; Hatano, Etsuro; Itano, Osamu; Iwashita, Yukio; Kaneko, Hironori; Kato, Yutaro; Kim, Ji Hoon; Liu, Rong; Lopez-Ben, Santiago; Rotellar, Fernando; Sakamoto, Yoshihiro; Sugioka, Atsushi; Yoshizumi, Tomoharu; Akahoshi, Keiichi; Alconchel, Felipe; Ariizumi, Shunichi; Benedetti Cacciaguerra, Andrea; Duran, Manuel; Garcia Vazquez, Alain; Golse, Nicolas; Miyasaka, Yoshihiro; Mori, Yasuhisa; Ogiso, Satoshi; Shirata, Chikara; Tomassini, Federico; Urade, Takeshi; Nishino, Hitoe; Kunzler, Filipe; Kozono, Shingo; Osakabe, Hiroaki; Takishita, Chie; Ban, Daisuke; Hibi, Taizo; Kokudo, Norihiro; Ohtsuka, Masayuki; Nagakawa, Yuichi; Ohtsuka, Takao; Tanabe, Minoru; Nakamura, Masafumi; Yamamoto, Masakazu; Tsuchida, Akihiko; Wakabayashi, Go
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