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Koichi Ichimura

Kyorin University

68H-index
627Paper Count
2.0WCitation Count
Published Papers 175
Publication Date
A Nationwide Central Diagnosis for Pediatric CNS Tumors in Japan: The JCCG Brain Tumor and Pathology Committees
err2026-04-25
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errYoshiko Nakano; Junko Hirato; Takako Yoshioka; Tetsuya Takimoto; Sumihito Nobusawa; Kaishi Satomi; Ran Tomomasa; Seiji Yamada; Taku Homma; Shoh Sasaki; Ayako Yamazaki; Maki Sakaguchi; Yasuhide Takeuchi; Nei Fukazawa; Kai Yamasaki; Kohei Fukuoka; Yui Shinohara Kimura; Yuki Nagayama; Yohei Inoue; Akira Miyahira; Ema Yoshioka; Asako Katsuma; Hayato Fukusumi; Tomoko Shofuda; Yuko Hibiya; Yuko Matsushita; Mai Honda Kitahara; Yuki Yomoda; Miho Kato; Michael D. Taylor; Yasuhito Arai; Tatsuhiro Shibata; Hiroaki Sakamoto; Keita Terashima; Yoshiki Arakawa; Toshihiro Kumabe; Ryo Nishikawa; Junichi Hara; Yonehiro Kanemura; Koichi Ichimura
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A rare case of supratentorial ependymosarcoma harboring ZFTA::RELA fusion
err2025-11-23
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errYuji Matsumoto; Yasuki Suruga; Kaishi Satomi; Yohei Inoue; Yasuhiko Hattori; Joji Ishida; Kazuhiko Kurozumi; Sumihito Nobusawa; Junko Hirato; Takehiro Tanaka; Hiroyuki Yanai; Kana Washio; Koichi Ichimura; Tomotsugu Ichikawa; Yoshihiro Otani; Shota Tanaka
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PTHP-07. Clinical and Molecular Characteristics of Japanese Medulloblastoma, SHH-Activated
err2025-11-11
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errKohichi Go; Asako Katsuma; Yasuhide Makino; Etsuko Yamamoto; Ema Yoshioka; Tomoko Shofuda; Daisuke Kanematsu; Shigeki Takada; Hiroyuki Ikeda; Noritaka Sano; Masahiro Tanji; Yohei Mineharu; Yoshinori Kodama; Masayuki Mano; Kohei Fukuoka; Koichi Ichimura; Atsushi Sasaki; Junko Hirato; Takeshi Inoue; Ryo Nishikawa; Isao Date; Masahiro Nonaka; Motoo Nagane; Yoshiki Arakawa; Yonehiro Kanemura
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Integrated analysis of dysembryoplastic neuroepithelial tumors highlighting discrepancies between histopathological diagnosis and genome-wide DNA methylation profiling
err2025-11-01
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errInoue, Yohei; Otani, Yoshihiro; Ishida, Joji; Miyahira, Akira; Fujii, Asuka; Hibiya, Yuko; Matsushita, Yuko; Nakano, Yoshiko; Satomi, Kaishi; Fukuoka, Kohei; Yamasaki, Kai; Yoshioka, Takako; Hirato, Junko; Tanaka, Shota; Ichimura, Koichi
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Molecular Mechanisms and Developmental Pathways of CNS Germ Cell Tumors Elucidated through Whole Genome Analysis
err2025-11-01
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errTakami, Hirokazu; Kato, Shota; Yamagishi, Yuki; Sugihara, Eiji; Matsushita, Yuko; Yoshioka, Takako; Hirato, Junko; Kato, Miho; Okita, Hajime; Suzuki, Tomonari; Kanamori, Masayuki; Asai, Akio; Mukasa, Akitake; Kumabe, Toshihiro; Kondo, Akihide; Hirose, Yuichi; Nagane, Motoo; Sugiyama, Kazuhiko; Shibata, Tatsuhiro; Yoshida, Kenichi; Shiraishi, Yuichi; Sato, Takaaki; Nishikawa, Ryo; Kato, Motohiro; Ichimura, Koichi
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Genomic Profiling of Pediatric Solid Tumors With a Dual DNA/RNA Panel: JCCG-TOP2 Study
err2025-11-01
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errTao, Kayoko; Yoshioka, Takako; Kato, Miho; Komatsu, Kazuyuki; Tsujimoto, Shinichi; Sakamoto, Kenichi; Tanimura, Kazuki; Sugiyama, Minako; Sekiguchi, Masahiro; Nakano, Yoshiko; Otani, Yoshihiro; Yatabe, Yasushi; Yoshida, Akihiko; Okita, Hajime; Hirato, Junko; Kohashi, Kenichi; Tanaka, Yukichi; Kohsaka, Shinji; Kubo, Takashi; Sunami, Kuniko; Hirata, Makoto; Tsutsumi, Shuichi; Aburatani, Hiroyuki; Koh, Katsuyoshi; Hirayama, Masahiro; Karakawa, Shuhei; Terashita, Yukayo; Fujisaki, Hiroyuki; Yagi, Takeshi; Yoneda, Akihiro; Mochizuki, Shinji; Shichino, Hiroyuki; Suzuki, Tatsuya; Takimoto, Tetsuya; Ichimura, Koichi; Ogawa, Chitose; Matsumoto, Kimikazu; Ichikawa, Hitoshi; Kato, Motohiro
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Long-term treatment with mutant IDH inhibitor DS-1001b suppresses tumor growth and induces epigenetic reprogramming in IDH1-mutant gliomas
err2025-11-01
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errFujimoto, Kenji; Honda-Kitahara, Mai; Hattori, Naoko; Matsushita, Yuko; Hibiya, Yuko; Satomi, Kaishi; Matsunaga, Hironori; Tsutsumi, Shinji; Okamoto, Atsushi; Inoue, Tatsuya; Yamada, Makiko; Watanabe, Makoto; Wakimoto, Hiroaki; Onuki, Ritsuko; Kato, Mamoru; Sato, Taka-Aki; Ushijima, Toshikazu; Kitabayashi, Issay; Ichimura, Koichi
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Aqueductal posterior fossa type B ependymoma in Li-Fraumeni syndrome
err2025-09-01
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errMizushima, Yoshitaka; Fukuoka, Kohei; Ichimura, Kayoko; Oba, Daiju; Honda, Mamoru; Mitani, Yuichi; Oshima, Koichi; Mori, Makiko; Arakawa, Yuki; Ohashi, Hirofumi; Tanami, Yutaka; Ichimura, Koichi; Satomi, Kaishi; Hirato, Junko; Nakazawa, Atsuko; Kurihara, Jun; Koh, Katsuyoshi
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Advances in neuro-oncology: contributions of the Asilomar Conference on brain tumor research and therapy
err2024-12-01
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errWestphal, Manfred; Levin, Victor A.; Berger, Mitchel S.; Pieper, Russell; Nishikawa, Ryo; Bjerkvig, Rolf; Ashley, David M.; Bigner, Darell; Sampson, John H.; Ichimura, Koichi; Rutka, James T.
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UTILITY OF DNA METHYLATION ANALYSIS IN HISTOLOGICALLY-CONFIRMED PA PATIENTS WITH POOR PROGNOSIS
err2024-11-11
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errSuruga, Yasuki; Satomi, Kaishi; Otani, Yoshihiro; Fujii, Kentaro; Ishida, Joji; Uneda, Atsuhito; Tsuboi, Nobushige; Makino, Keigo; Hirano, Shuichiro; Kemmotsu, Naoya; Imoto, Ryoji; Mizuta, Ryo; Tomita, Yusuke; Yasuhara, Takao; Washio, Kana; Yanai, Hiroyuki; Matsushita, Yuko; Hibiya, Yuko; Yoshida, Akihiko; Ichimura, Koichi; Tanaka, Shota
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TECTAL GLIOMA: CLINICAL, PATHOLOGICAL, AND MOLECULAR FEATURES
err2024-11-11
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errImoto, Ryoji; Otani, Yoshihiro; Ishida, Joji; Hirano, Shuichiro; Kemmotsu, Naoya; Suruga, Yasuki; Mizuta, Ryo; Kegoya, Yasuhito; Inoue, Yohei; Washio, Kana; Yanai, Hiroyuki; Tanaka, Shota; Satomi, Kaishi; Ichimura, Koichi; Date, Isao
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CLINICAL CHARACTERISTICS AND MOLECULAR CHARACTERISTICS OF 244 MEDULLOBLASTOMAS IN JAPAN
err2024-11-11
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errGo, Kohichi; Katsuma, Asako; Makino, Yasuhide; Yamamoto, Etsuko; Yoshioka, Ema; Shofuda, Tomoko; Kanematsu, Daisuke; Takada, Shigeki; Sano, Noritaka; Tanji, Masahiro; Mineharu, Yohei; Fukuoka, Kohei; Kodama, Yoshinori; Mano, Masayuki; Ichimura, Koichi; Sasaki, Atsushi; Hirato, Junko; Inoue, Takeshi; Nishikawa, Ryo; Date, Isao; Nonaka, Masahiro; Nagane, Motoo; Arakawa, Yoshiki; Kanemura, Yonehiro
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Primary intracranial sarcoma associated with DICER1 mutant: a case report and preclinical investigation
err2024-11-10
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errHirokuni Honma; Kensuke Tateishi; Hiromichi Iwashita; Yohei Miyake; Shinichi Tsujimoto; Hiroaki Hayashi; Fukutaro Ohgaki; Yoshiko Nakano; Koichi Ichimura; Shoji Yamanaka; Motohiro Kato; Satoshi Fujii; Shuichi Ito; Hideaki Yokoo; Tetsuya Yamamoto
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TCF3::BEND2 in paediatric supratentorial tumour with carcinoma-like epithelial features classifying as MN1-altered astroblastoma by DNA methylation profiling
err2024-10-21
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errNakano, Yoshiko; Nobusawa, Sumihito; Sato-Otsubo, Aiko; Nakashima, Takuma; Suzuki, Hiromichi; Yamasaki, Kai; Shirakura, Takahiro; Inoue, Takeshi; Okuno, Takahiro; Kato, Motohiro; Ichimura, Koichi; Sakamoto, Hiroaki
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Tectal glioma: clinical, radiological, and pathological features, and the importance of molecular analysis
err2024-10-21
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errRyoji Imoto; Yoshihiro Otani; Kentaro Fujii; Joji Ishida; Shuichiro Hirano; Naoya Kemmotsu; Yasuki Suruga; Ryo Mizuta; Yasuhito Kegoya; Yohei Inoue; Tsuyoshi Umeda; Madoka Hokama; Kana Washio; Hiroyuki Yanai; Shota Tanaka; Kaishi Satomi; Koichi Ichimura; Isao Date
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CLINICAL AND MOLECULAR CHARACTERIZATION OF INFANTILE CENTRAL NERVOUS SYSTEM GERM CELL TUMORS
err2024-06-18
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errFukuoka, Kohei; Takami, Hirokazu; Satomi, Kaishi; Nakano, Yoshiko; Inoue, Yohei; Miyahara, Akira; Matsushita, Yuko; Hibiya, Yuko; Kato, Miho; Takimoto, Tetsuya; Nakazawa, Atsuko; Yoshioka, Takako; Hirato, Junko; Nakazato, Yoichi; Shibahara, Junji; Oka, Hidehiro; Kurihara, Jun; Koh, Katsuyoshi; Matsutani, Masao; Nishikawa, Ryo; Nagane, Motoo; Ichimura, Koichi
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CLINICAL AND MOLECULAR CHARACTERISTICS OF JAPANESE MEDULLOBLASTOMA, WNT-ACTIVATED
err2024-06-18
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errGo, Kohichi; Katsuma, Asako; Makino, Yasuhide; Yamamoto, Etsuko; Yoshioka, Ema; Shofuda, Tomoko; Kanematsu, Daisuke; Terada, Yukinori; Sano, Noritaka; Tanji, Masahiro; Mineharu, Yohei; Kodama, Yoshinori; Mano, Masayuki; Ichimura, Koichi; Sasaki, Atsushi; Hirato, Junko; Inoue, Takeshi; Nishikawa, Ryo; Date, Isao; Nonaka, Masahiro; Nagane, Motoo; Arakawa, Yoshiki; Kanemura, Yonehiro
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The development of a custom RNA-sequencing panel for the identification of predictive and diagnostic biomarkers in glioma
err2024-02-16
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errShirai, Yukina; Ueno, Toshihide; Kojima, Shinya; Ikeuchi, Hiroshi; Kitada, Rina; Koyama, Takafumi; Takahashi, Fumiyuki; Takahashi, Kazuhisa; Ichimura, Koichi; Yoshida, Akihiko; Sugino, Hirokazu; Mano, Hiroyuki; Narita, Yoshitaka; Takahashi, Masamichi; Kohsaka, Shinji
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Transcriptomic and epigenetic dissection of spinal ependymoma (SP-EPN) identifies clinically relevant subtypes enriched for tumors with and without NF2 mutation
err2024-01-24
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errNeyazi, Sina; Yamazawa, Erika; Hack, Karoline; Tanaka, Shota; Nagae, Genta; Kresbach, Catena; Umeda, Takayoshi; Eckhardt, Alicia; Tatsuno, Kenji; Pohl, Lara; Hana, Taijun; Bockmayr, Michael; Kim, Phyo; Dorostkar, Mario M.; Takami, Toshihiro; Obrecht, Denise; Takai, Keisuke; Suwala, Abigail K.; Komori, Takashi; Godbole, Shweta; Wefers, Annika K.; Otani, Ryohei; Neumann, Julia E.; Higuchi, Fumi; Schweizer, Leonille; Nakanishi, Yuta; Monoranu, Camelia-Maria; Takami, Hirokazu; Engertsberger, Lara; Yamada, Keisuke; Ruf, Viktoria; Nomura, Masashi; Mohme, Theresa; Mukasa, Akitake; Herms, Jochen; Takayanagi, Shunsaku; Mynarek, Martin; Matsuura, Reiko; Lamszus, Katrin; Ishii, Kazuhiko; Kluwe, Lan; Imai, Hideaki; von Deimling, Andreas; Koike, Tsukasa; Benesch, Martin; Kushihara, Yoshihiro; Snuderl, Matija; Nambu, Shohei; Frank, Stephan; Omura, Takaki; Hagel, Christian; Kugasawa, Kazuha; Mautner, Viktor F.; Ichimura, Koichi; Rutkowski, Stefan; Aburatani, Hiroyuki; Saito, Nobuhito; Schueller, Ulrich
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Inflammatory Rhabdomyoblastic Tumor: Clinicopathologic and Molecular Analysis of 13 Cases
err2024-01-01
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PREAI
errOdate, Toru; Satomi, Kaishi; Kubo, Takashi; Matsushita, Yuko; Ueno, Toshihide; Kurose, Akira; Shomori, Kohei; Nakai, Tokiko; Watanabe, Reiko; Segawa, Keiko; Ohshika, Shusa; Miyake, Naritomo; Kudo, Sayaka; Shimoi, Tatsunori; Kobayashi, Eisuke; Komiyama, Motokiyo; Yoshimoto, Seiichi; Nakatani, Fumihiko; Kawai, Akira; Yatabe, Yasushi; Kohsaka, Shinji; Ichimura, Koichi; Ichikawa, Hitoshi; Yoshida, Akihiko
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