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4. Potential for expanding indications and curability criteria of endoscopic resection for early gastric cancer in elderly patients: results from a Japanese multicenter prospective cohort study

Author

Sekiguchi, Masau, Suzuki, Haruhisa, Takizawa, Kohei, Hirasawa, Toshiaki, Takeuchi, Yoji, Ishido, Kenji, Hoteya, Shu, Yano, Tomonori, Tanaka, Shinji, Toya, Yosuke, Nakagawa, Masahiro, Toyonaga, Takashi, Takemura, Kenichi, Hirasawa, Kingo, Matsuda, Mitsuru, Yamamoto, Hironori, Tsuji, Yosuke, Hashimoto, Satoru, Maeda, Yuki, Oyama, Tsuneo, Takenaka, Ryuta, Yamamoto, Yoshinobu, Shimazu, Taichi, Ono, Hiroyuki, Tanabe, Satoshi, Kondo, Hitoshi, Iishi, Hiroyasu, Ninomiya, Motoki, and Oda, Ichiro

Published
2024
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5. THBS1-producing tumor-infiltrating monocyte-like cells contribute to immunosuppression and metastasis in colorectal cancer

Author

Omatsu, Mayuki, Nakanishi, Yuki, Iwane, Kosuke, Aoyama, Naoki, Duran, Angeles, Muta, Yu, Martinez-Ordoñez, Anxo, Han, Qixiu, Agatsuma, Nobukazu, Mizukoshi, Kenta, Kawai, Munenori, Yamakawa, Go, Namikawa, Mio, Hamada, Kensuke, Fukunaga, Yuichi, Utsumi, Takahiro, Sono, Makoto, Masuda, Tomonori, Hata, Akitaka, Araki, Osamu, Nagao, Munemasa, Yoshikawa, Takaaki, Ogawa, Satoshi, Hiramatsu, Yukiko, Tsuda, Motoyuki, Maruno, Takahisa, Kogame, Toshiaki, Kasashima, Hiroaki, Kakiuchi, Nobuyuki, Nakagawa, Masahiro M., Kawada, Kenji, Yashiro, Masakazu, Maeda, Kiyoshi, Saito, Yasuyuki, Matozaki, Takashi, Fukuda, Akihisa, Kabashima, Kenji, Obama, Kazutaka, Ogawa, Seishi, Sheibani, Nader, Diaz-Meco, Maria T., Moscat, Jorge, and Seno, Hiroshi

Published
2023
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6. Evolutionary histories of breast cancer and related clones

Author

Nishimura, Tomomi, Kakiuchi, Nobuyuki, Yoshida, Kenichi, Sakurai, Takaki, Kataoka, Tatsuki R., Kondoh, Eiji, Chigusa, Yoshitsugu, Kawai, Masahiko, Sawada, Morio, Inoue, Takuya, Takeuchi, Yasuhide, Maeda, Hirona, Baba, Satoko, Shiozawa, Yusuke, Saiki, Ryunosuke, Nakagawa, Masahiro M., Nannya, Yasuhito, Ochi, Yotaro, Hirano, Tomonori, Nakagawa, Tomoe, Inagaki-Kawata, Yukiko, Aoki, Kosuke, Hirata, Masahiro, Nanki, Kosaku, Matano, Mami, Saito, Megumu, Suzuki, Eiji, Takada, Masahiro, Kawashima, Masahiro, Kawaguchi, Kosuke, Chiba, Kenichi, Shiraishi, Yuichi, Takita, Junko, Miyano, Satoru, Mandai, Masaki, Sato, Toshiro, Takeuchi, Kengo, Haga, Hironori, Toi, Masakazu, and Ogawa, Seishi

Published
2023
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8. Summary of Japanese clinical practice guidelines for head and neck cancer - 2022 update edited by the Japan society for head and neck cancer

Author

Homma, Akihiro, Ando, Mizuo, Hanai, Nobuhiro, Harada, Hiroyuki, Honma, Yoshitaka, Kanda, Tomonori, Kano, Satoshi, Kawakita, Daisuke, Kiyota, Naomi, Kizawa, Yoshiyuki, Nakagawa, Masahiro, Ogawa, Takenori, Shinomiya, Hirotaka, Shinozaki, Takeshi, Suzuki, Motoyuki, Tsuji, Tetsuya, Yasuda, Koichi, Zenda, Sadamoto, Kodaira, Takeshi, Kirita, Tadaaki, and Nibu, Ken-ichi

Published
2024
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10. Postazacitidine clone size predicts long-term outcome of patients with myelodysplastic syndromes and related myeloid neoplasms

Author

Nannya, Yasuhito, Tobiasson, Magnus, Sato, Shinya, Bernard, Elsa, Ohtake, Shigeki, Takeda, June, Creignou, Maria, Zhao, Lanying, Kusakabe, Manabu, Shibata, Yuhei, Nakamura, Nobuhiko, Watanabe, Mizuki, Hiramoto, Nobuhiro, Shiozawa, Yusuke, Shiraishi, Yuichi, Tanaka, Hiroko, Yoshida, Kenichi, Kakiuchi, Nobuyuki, Makishima, Hideki, Nakagawa, Masahiro, Usuki, Kensuke, Watanabe, Mitsumasa, Imada, Kazunori, Handa, Hiroshi, Taguchi, Masataka, Kiguchi, Toru, Ohyashiki, Kazuma, Ishikawa, Takayuki, Takaori-Kondo, Akifumi, Tsurumi, Hisashi, Kasahara, Senji, Chiba, Shigeru, Naoe, Tomoki, Miyano, Satoru, Papaemanuil, Elli, Miyazaki, Yasushi, Hellström-Lindberg, Eva, and Ogawa, Seishi

Published
2023
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12. Long-term Survival After Endoscopic Resection For Gastric Cancer: Real-world Evidence From a Multicenter Prospective Cohort

Author

Mashimo, Yumi, Ishigooka, Masahiro, Fukase, Kazutoshi, Mizuguchi, Yasuhiko, Suzuki, Haruhisa, Ono, Hiroyuki, Hirasawa, Toshiaki, Takeuchi, Yoji, Ishido, Kenji, Hoteya, Shu, Yano, Tomonori, Tanaka, Shinji, Toya, Yosuke, Nakagawa, Masahiro, Toyonaga, Takashi, Takemura, Kenichi, Hirasawa, Kingo, Matsuda, Mitsuru, Yamamoto, Hironori, Tsuji, Yosuke, Hashimoto, Satoru, Yuki, Maeda, Oyama, Tsuneo, Takenaka, Ryuta, Yamamoto, Yoshinobu, Naito, Yuji, Yamamoto, Katsumi, Kobayashi, Nozomu, Kawahara, Yoshiro, Hirano, Masaaki, Koizumi, Shigeto, Hori, Shinichiro, Tajika, Masahiro, Hikichi, Takuto, Yao, Kenshi, Yokoi, Chizu, Ohnita, Ken, Hisanaga, Yasuhiro, Sumiyoshi, Tetsuya, Kitamura, Shinji, Tanaka, Hisao, Shimoda, Ryo, Shimazu, Taichi, Takizawa, Kohei, Tanabe, Satoshi, Kondo, Hitoshi, Iishi, Hiroyasu, Ninomiya, Motoki, and Oda, Ichiro

Published
2023
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19. Nonrecurrence Rate of Underwater EMR for ≤20-mm Nonampullary Duodenal Adenomas: A Multicenter Prospective Study (D-UEMR Study)

Author

Kanzaki, Hiromitsu, Inoue, Shuntaro, Miyake, Muneaki, Ohmori, Masayasu, Takeuchi, Yoji, Tani, Yasuhiro, Harada, Nobuyuki, Agatsuma, Nobukazu, Okada, Keijirou, Ikenouchi, Maiko, Nakatani, Yasuki, Uenoyama, Yoshito, Yamashita, Yukitaka, Ishikawa, Shigenao, Inaba, Tomoki, Miyahara, Koji, Moritou, Yuki, Nakagawa, Masahiro, Kitae, Hiroaki, Ishida, Tsugitaka, Naito, Yuji, Nishio, Akiyoshi, Shimatani, Masaaki, Kato, Ryo, Taki, Shinya, Mandai, Koichiro, Sanada, Kasumi, Nakase, Kojiro, Nebiki, Hiroko, Saito, Shunsuke, Wakatsuki, Toshiyuki, Nishimura, Naoyuki, Yamasaki, Yasushi, Uedo, Noriya, Akamatsu, Takuji, Kagawa, Tomo, Higashi, Reiji, Dohi, Osamu, Furukawa, Masanori, Takahashi, Yu, Inoue, Takuya, Tanaka, Shouichi, Takenaka, Ryuta, Iguchi, Mikitaka, Kawamura, Takuji, Tsuzuki, Takao, Yamasaki, Tomoaki, Yamashina, Takeshi, Nasu, Junichiro, Mannami, Tomohiko, Yamauchi, Atsushi, Matsueda, Kazuhiro, Aizawa, Shigeyuki, Mitsuhashi, Toshiharu, and Okada, Hiroyuki

Published
2022
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20. A rapid increase in tropical species of grouper (Perciformes: Serranidae) in the temperate waters, the Goto Islands, Japan.

Author

Okuyama, Junichi, Nakagawa, Masahiro, and Taneda, Takeshi

Subjects
*OCEAN currents, *GROUPERS, *PERCIFORMES, *MARKET surveys, TSUSHIMA Current
Abstract

Global warming has resulted in rapid poleward shifts in the geographical distributions of many tropical fish species. This study conducted daily market surveys from 2008 to 2013 to investigate catch trends of seven commercially important grouper species in the temperate Goto Islands, Japan. Our results revealed that the catch numbers of tropical grouper species increased rapidly by an average of 5.9-fold (12.3-fold at maximum) within six years, whereas the temperate and subtropical species did not exhibit substantial changes. Based on the findings of several previous studies, the rapid increase in the number of tropical groupers in temperate waters was most likely caused by the successful settlement of larvae transported from tropical waters. Large-scale ocean currents may facilitate larval transport from tropical waters because the Goto Islands face the Tsushima Warm Current, which branches from the Kuroshio Current. Meanwhile, the transition processes of size distribution in tropical groupers suggest a possible hypothesis that adults migrating from tropical waters first settle in temperate waters and then enhance their populations by reproduction. Further studies are required to determine how tropical grouper species settle and how their populations increase in temperate waters. [ABSTRACT FROM AUTHOR]

Published
2024
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21. Germ line DDX41 mutations define a unique subtype of myeloid neoplasms

Author

Makishima, Hideki, Saiki, Ryunosuke, Nannya, Yasuhito, Korotev, Sophia, Gurnari, Carmelo, Takeda, June, Momozawa, Yukihide, Best, Steve, Krishnamurthy, Pramila, Yoshizato, Tetsuichi, Atsuta, Yoshiko, Shiozawa, Yusuke, Iijima-Yamashita, Yuka, Yoshida, Kenichi, Shiraishi, Yuichi, Nagata, Yasunobu, Kakiuchi, Nobuyuki, Onizuka, Makoto, Chiba, Kenichi, Tanaka, Hiroko, Kon, Ayana, Ochi, Yotaro, Nakagawa, Masahiro M., Okuda, Rurika, Mori, Takuto, Yoda, Akinori, Itonaga, Hidehiro, Miyazaki, Yasushi, Sanada, Masashi, Ishikawa, Takayuki, Chiba, Shigeru, Tsurumi, Hisashi, Kasahara, Senji, Muller-Tidow, Carsten, Takaori-Kondo, Akifumi, Ohyashiki, Kazuma, Kiguchi, Toru, Matsuda, Fumihiko, Jansen, Joop H., Polprasert, Chantana, Blombery, Piers, Kamatani, Yoichiro, Miyano, Satoru, Malcovati, Luca, Haferlach, Torsten, Kubo, Michiaki, Cazzola, Mario, Kulasekararaj, Austin G., Godley, Lucy A., Maciejewski, Jaroslaw P., and Ogawa, Seishi

Published
2022
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23. Combined landscape of single-nucleotide variants and copy number alterations in clonal hematopoiesis

Author

Saiki, Ryunosuke, Momozawa, Yukihide, Nannya, Yasuhito, Nakagawa, Masahiro M., Ochi, Yotaro, Yoshizato, Tetsuichi, Terao, Chikashi, Kuroda, Yutaka, Shiraishi, Yuichi, Chiba, Kenichi, Tanaka, Hiroko, Niida, Atsushi, Imoto, Seiya, Matsuda, Koichi, Morisaki, Takayuki, and Murakami, Yoshinori

Subjects
Medical research, Medicine, Experimental, Hematopoiesis -- Research, Myeloproliferative disorders -- Genetic aspects -- Development and progression -- Risk factors, Single nucleotide polymorphisms -- Research, Cardiovascular diseases -- Genetic aspects -- Development and progression -- Risk factors, Cancer -- Genetic aspects -- Development and progression -- Risk factors, Copy number variations -- Research, Biological sciences, Health
Abstract

Clonal hematopoiesis (CH) in apparently healthy individuals is implicated in the development of hematological malignancies (HM) and cardiovascular diseases. Previous studies of CH analyzed either single-nucleotide variants and indels (SNVs/indels) or copy number alterations (CNAs), but not both. Here, using a combination of targeted sequencing of 23 CH-related genes and array-based CNA detection of blood-derived DNA, we have delineated the landscape of CH-related SNVs/indels and CNAs in 11,234 individuals without HM from the BioBank Japan cohort, including 672 individuals with subsequent HM development, and studied the effects of these somatic alterations on mortality from HM and cardiovascular disease, as well as on hematological and cardiovascular phenotypes. The total number of both types of CH-related lesions and their clone size positively correlated with blood count abnormalities and mortality from HM. CH-related SNVs/indels and CNAs exhibited statistically significant co-occurrence in the same individuals. In particular, co-occurrence of SNVs/indels and CNAs affecting DNMT3A, TET2, JAK2 and TP53 resulted in biallelic alterations of these genes and was associated with higher HM mortality. Co-occurrence of SNVs/indels and CNAs also modulated risks for cardiovascular mortality. These findings highlight the importance of detecting both SNVs/indels and CNAs in the evaluation of CH. Analysis of single-nucleotide variants and copy number alterations gives a more complete picture of clonal hematopoiesis and its impact on hematological malignancy and cardiovascular disease., Author(s): Ryunosuke Saiki [sup.1] , Yukihide Momozawa [sup.2] , Yasuhito Nannya [sup.1] , Masahiro M. Nakagawa [sup.1] [sup.3] , Yotaro Ochi [sup.1] , Tetsuichi Yoshizato [sup.1] , Chikashi Terao [sup.4] [...]

Published
2021
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28. Risk factors for intraoperative and delayed perforation related with gastric endoscopic submucosal dissection.

Author

Mimura, Takuya, Yamamoto, Yoshinobu, Suzuki, Haruhisa, Takizawa, Kohei, Hirasawa, Toshiaki, Takeuchi, Yoji, Ishido, Kenji, Hoteya, Shu, Yano, Tomonori, Tanaka, Shinji, Kudara, Norihiko, Nakagawa, Masahiro, Mashimo, Yumi, Ishigooka, Masahiro, Fukase, Kazutoshi, Shimazu, Taichi, Ono, Hiroyuki, Tanabe, Satoshi, Kondo, Hitoshi, and Iishi, Hiroyasu

Subjects
ENDOSCOPIC surgery, BODY mass index, SURGICAL emergencies, DISSECTION, LONGITUDINAL method, STOMACH cancer, INTESTINAL perforation
Abstract

Background and Aim: Perforation is one of the most important complications of endoscopic submucosal dissection (ESD) for early gastric cancer (EGC). Several studies have examined risk factors for intraoperative and delayed perforations, but most were retrospective analyses with small numbers of patients. Methods: This study represents a secondary analysis of a Japanese multicenter prospective cohort study. We investigated the factors associated with each type of perforation using 9015 patients with 9975 EGCs undergoing ESD between July 2010 and June 2012. Results: Intraoperative perforation occurred in 198 patients (2.2%) with 203 lesions (2.0%), necessitating emergency surgery for four lesions (0.04% [2.0%, 4/203]). Delayed perforation occurred in another 37 patients (0.4%) with 42 lesions (0.4%), requiring emergency surgery for 12 lesions (0.12% [28.6%, 12/42]). Factors showing significant independent correlations with intraoperative perforation were upper or middle third of the stomach; remnant stomach or gastric tube; procedure time ≥100 min; tumor size >35 mm; body mass index (BMI) < 18.5 kg/m2; and ≥72 years. Factors showing significant independent correlations with delayed perforation were procedure time ≥60 min; BMI < 18.5 kg/m2; ≥75 years; ulceration; and tumor size >20 mm. Intraoperative perforation occurred most frequently at the greater curvature in the upper third of the stomach (7.9%), whereas delayed perforation occurred most frequently at the greater curvature in the middle third (1.2%). Conclusion: This multicenter prospective cohort study clarified the risk and risk factors of intraoperative and delayed perforation related to ESD for EGCs, providing information to help endoscopists reduce perforation. [ABSTRACT FROM AUTHOR]

Published
2024
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29. Landscape of driver mutations and their clinical impacts in pediatric B-cell precursor acute lymphoblastic leukemia

Author

Ueno, Hiroo, Yoshida, Kenichi, Shiozawa, Yusuke, Nannya, Yasuhito, Iijima-Yamashita, Yuka, Kiyokawa, Nobutaka, Shiraishi, Yuichi, Chiba, Kenichi, Tanaka, Hiroko, Isobe, Tomoya, Seki, Masafumi, Kimura, Shunsuke, Makishima, Hideki, Nakagawa, Masahiro M., Kakiuchi, Nobuyuki, Kataoka, Keisuke, Yoshizato, Tetsuichi, Nishijima, Dai, Deguchi, Takao, Ohki, Kentaro, Sato, Atsushi, Takahashi, Hiroyuki, Hashii, Yoshiko, Tokimasa, Sadao, Hara, Junichi, Kosaka, Yoshiyuki, Kato, Koji, Inukai, Takeshi, Takita, Junko, Imamura, Toshihiko, Miyano, Satoru, Manabe, Atsushi, Horibe, Keizo, Ogawa, Seishi, and Sanada, Masashi

Published
2020
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33. Long-term outcomes after non-curative endoscopic submucosal dissection for early gastric cancer according to hospital volumes in Japan: a multicenter propensity-matched analysis

Author

Dohi, Osamu, Hatta, Waku, Gotoda, Takuji, Naito, Yuji, Oyama, Tsuneo, Kawata, Noboru, Takahashi, Akiko, Oka, Shiro, Hoteya, Shu, Nakagawa, Masahiro, Hirano, Masaaki, Esaki, Mitsuru, Matsuda, Mitsuru, Ohnita, Ken, Shimoda, Ryo, Yoshida, Motoyuki, Takada, Jun, Tanaka, Keiko, Yamada, Shinya, Tsuji, Tsuyotoshi, Ito, Hirotaka, Aoyagi, Hiroyuki, and Shimosegawa, Tooru

Published
2019
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34. Molecular heterogeneity in peripheral T-cell lymphoma, not otherwise specified revealed by comprehensive genetic profiling

Author

Watatani, Yosaku, Sato, Yasuharu, Miyoshi, Hiroaki, Sakamoto, Kana, Nishida, Kenji, Gion, Yuka, Nagata, Yasunobu, Shiraishi, Yuichi, Chiba, Kenichi, Tanaka, Hiroko, Zhao, Lanying, Ochi, Yotaro, Takeuchi, Yasuhide, Takeda, June, Ueno, Hiroo, Kogure, Yasunori, Shiozawa, Yusuke, Kakiuchi, Nobuyuki, Yoshizato, Tetsuichi, Nakagawa, Masahiro M., Nanya, Yasuhito, Yoshida, Kenichi, Makishima, Hideki, Sanada, Masashi, Sakata-Yanagimoto, Mamiko, Chiba, Shigeru, Matsuoka, Ryota, Noguchi, Masayuki, Hiramoto, Nobuhiro, Ishikawa, Takayuki, Kitagawa, Junichi, Nakamura, Nobuhiko, Tsurumi, Hisashi, Miyazaki, Tatsuhiko, Kito, Yusuke, Miyano, Satoru, Shimoda, Kazuya, Takeuchi, Kengo, Ohshima, Koichi, Yoshino, Tadashi, Ogawa, Seishi, and Kataoka, Keisuke

Published
2019
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40. Competition of dual SF3B1mt clones in MDS-RS is associated with distinct RNA mis-splicing in hematopoietic stem cells

Author

Moura, Pedro Luis, Nannya, Yasuhito, Aliouat, Affaf, Hofman, Isabel Juliana, Mortera-Blanco, Teresa, Yoshizato, Tetsuichi, Saiki, Ryunosuke, Nakagawa, Masahiro M., Creignou, Maria, Björklund, Ann-Charlotte, Walldin, Gunilla, Barbosa, Indira, Jansson, Monika, Grasso, Francesca, Elvarsdottir, Edda M., Woll, Petter S., Jacobsen, Sten Eirik W., Ogawa, Seishi, and Hellström-Lindberg, Eva

Published
2024
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42. Is Additional Surgery Always Sufficient for Preventing Recurrence After Endoscopic Submucosal Dissection with Curability C-2 for Early Gastric Cancer?

Author

Hatta, Waku, Gotoda, Takuji, Oyama, Tsuneo, Kawata, Noboru, Takahashi, Akiko, Oka, Shiro, Hoteya, Shu, Nakagawa, Masahiro, Hirano, Masaaki, Esaki, Mitsuru, Matsuda, Mitsuru, Ohnita, Ken, Shimoda, Ryo, Yoshida, Motoyuki, Dohi, Osamu, Takada, Jun, Tanaka, Keiko, Yamada, Shinya, Tsuji, Tsuyotoshi, Ito, Hirotaka, Aoyagi, Hiroyuki, Nakamura, Tomohiro, Nakaya, Naoki, Shimosegawa, Tooru, and Masamune, Atsushi

Published
2019
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44. Molecular pathogenesis of disease progression in MLL-rearranged AML

Author

Kotani, Shinichi, Yoda, Akinori, Kon, Ayana, Kataoka, Keisuke, Ochi, Yotaro, Shiozawa, Yusuke, Hirsch, Cassandra, Takeda, June, Ueno, Hiroo, Yoshizato, Tetsuichi, Yoshida, Kenichi, Nakagawa, Masahiro M., Nannya, Yasuhito, Kakiuchi, Nobuyuki, Yamauchi, Takuji, Aoki, Kosuke, Shiraishi, Yuichi, Miyano, Satoru, Maeda, Takahiro, Maciejewski, Jaroslaw P., Takaori-Kondo, Akifumi, Ogawa, Seishi, and Makishima, Hideki

Published
2019
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45. Age-related remodelling of oesophageal epithelia by mutated cancer drivers

Author

Yokoyama, Akira, Kakiuchi, Nobuyuki, Yoshizato, Tetsuichi, Nannya, Yasuhito, Suzuki, Hiromichi, Takeuchi, Yasuhide, Shiozawa, Yusuke, Sato, Yusuke, Aoki, Kosuke, Kim, Soo Ki, Fujii, Yoichi, Yoshida, Kenichi, Kataoka, Keisuke, Nakagawa, Masahiro M., Inoue, Yoshikage, Hirano, Tomonori, Shiraishi, Yuichi, Chiba, Kenichi, Tanaka, Hiroko, Sanada, Masashi, Nishikawa, Yoshitaka, Amanuma, Yusuke, Ohashi, Shinya, Aoyama, Ikuo, Horimatsu, Takahiro, Miyamoto, Shin’ichi, Tsunoda, Shigeru, Sakai, Yoshiharu, Narahara, Maiko, Brown, J. B., Sato, Yoshitaka, Sawada, Genta, Mimori, Koshi, Minamiguchi, Sachiko, Haga, Hironori, Seno, Hiroshi, Miyano, Satoru, Makishima, Hideki, Muto, Manabu, and Ogawa, Seishi

Published
2019
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46. Genetic abnormalities in myelodysplasia and secondary acute myeloid leukemia: impact on outcome of stem cell transplantation

Author

Yoshizato, Tetsuichi, Nannya, Yasuhito, Atsuta, Yoshiko, Shiozawa, Yusuke, Iijima-Yamashita, Yuka, Yoshida, Kenichi, Shiraishi, Yuichi, Suzuki, Hiromichi, Nagata, Yasunobu, Sato, Yusuke, Kakiuchi, Nobuyuki, Matsuo, Keitaro, Onizuka, Makoto, Kataoka, Keisuke, Chiba, Kenichi, Tanaka, Hiroko, Ueno, Hiroo, Nakagawa, Masahiro M., Przychodzen, Bartlomiej, Haferlach, Claudia, Kern, Wolfgang, Aoki, Kosuke, Itonaga, Hidehiro, Kanda, Yoshinobu, Sekeres, Mikkael A., Maciejewski, Jaroslaw P., Haferlach, Torsten, Miyazaki, Yasushi, Horibe, Keizo, Sanada, Masashi, Miyano, Satoru, Makishima, Hideki, and Ogawa, Seishi

Published
2017
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48. Is the eCura system useful for selecting patients who require radical surgery after noncurative endoscopic submucosal dissection for early gastric cancer? A comparative study

Author

Hatta, Waku, Gotoda, Takuji, Oyama, Tsuneo, Kawata, Noboru, Takahashi, Akiko, Yoshifuku, Yoshikazu, Hoteya, Shu, Nakagawa, Masahiro, Hirano, Masaaki, Esaki, Mitsuru, Matsuda, Mitsuru, Ohnita, Ken, Yamanouchi, Kohei, Yoshida, Motoyuki, Dohi, Osamu, Takada, Jun, Tanaka, Keiko, Yamada, Shinya, Tsuji, Tsuyotoshi, Ito, Hirotaka, Hayashi, Yoshiaki, Nakamura, Tomohiro, Nakaya, Naoki, and Shimosegawa, Tooru

Published
2018
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49. Clinicopathological Characteristics of Superficial Barrett's Adenocarcinoma in a Japanese Population: A Retrospective, Multicenter Study

Author

Hamada, Kenta, Kanzaki, Hiromitsu, Miyahara, Koji, Nakagawa, Masahiro, Mouri, Hirokazu, Mizuno, Motowo, Takahashi, Sakuma, Hori, Shinichiro, Nasu, Junichiro, Tsuzuki, Takao, Miyaike, Jiro, Takenaka, Ryuta, Yamauchi, Kenji, Kobayashi, Sayo, Toyokawa, Tatsuya, Inoue, Masafumi, Nishimura, Mamoru, Matsubara, Minoru, Tomoda, Jun, Yamasaki, Yasushi, Tanaka, Takehiro, Shirakawa, Yasuhiro, Kawahara, Yoshiro, Fujiwara, Toshiyoshi, Okada, Hiroyuki, and Okayama Gut Study Group

Subjects
Barrett's adenocarcinoma, lesion, surgery, Barrett Esophagus, endoscopic resection, Esophageal Neoplasms, Japan, short -segment Barrett's esophagus, metachronous, Humans, Adenocarcinoma, Retrospective Studies, long -segment Barrett's esophagus
Abstract

Objective Although Barrett's adenocarcinoma (BA) remains a minor disease in Japan, its incidence has been gradually increasing. We analyzed the characteristics of BA in Japanese populations. Methods We retrospectively reviewed medical records and analyzed the clinicopathological differences between short-segment Barrett's esophagus (SSBE) and long-segment Barrett's esophagus (LSBE), as well as metastasis. Local recurrence and metachronous lesions were analyzed only in patients who underwent endoscopic resection (ER). Patients Consecutive patients who had pathological T1 BAs resected by ER or surgery from January 2003 Results A total of 168 patients were analyzed, including 139 with SSBE and 29 with LSBE. In total, 67% of the SSBE lesions and 32% of the LSBE lesions were located between 0 and 3 o'clock (p=0.0014). No patients who achieved pathological margin-free resection (pR0) and 17% of patients who did not achieve pR0 experienced local recurrence (p=0.0131). None of the patients without lymphovascular involvement, a poorly differentiated component, lesion size of >30 mm, and submucosal invasion of >500 mu m experienced metastasis. The 5-year cumulative incidence rate of metachronous BA after ER was 0% in patients with SSBE and 40% in patients with LSBE (p=0.0005). Conclusion Superficial BA was likely to be detected at the right anterior wall of SSBE in the Japanese population. The risk for metachronous BA after ER was high in Japanese patients with LSBE, as in Western patients.

Published
2022

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