Search Results - "Imai, Reiko"

Carbon Ion Radiation Therapy for Unresectable Sacral Chordoma: An Analysis of 188 Cases by Imai, Reiko, MD, PhD, Kamada, Tadashi, MD, PhD, Araki, Nobuhito, MD, PhD

“…Purpose To evaluate the results of carbon ion radiation therapy administered to 188 patients with unresectable primary sacral chordomas. Patients and Methods…”
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Carbon ion radiotherapy for inoperable pediatric osteosarcoma by Mohamad, Osama, Imai, Reiko, Kamada, Tadashi, Nitta, Yuki, Araki, Nobuhito

“…Unresectable pediatric osteosarcoma has poor outcomes with conventional treatments. Twenty-six patients aged 11-20 years (median 16) had inoperable…”
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Long‐term outcomes of high dose carbon‐ion radiation therapy for unresectable upper cervical (C1‐2) chordoma by Aoki, Shuri, Koto, Masashi, Ikawa, Hiroaki, Imai, Reiko, Tokuhiko, Omatsu, Shinoto, Makoto, Takiyama, Hirotoshi, Yamada, Shigeru, Tsuji, Hiroshi

“…Background Chordoma is a rare, locally invasive neoplasm of the axial skeleton. Complete resection is often difficult, especially for the upper‐cervical (C1‐2)…”
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Carbon‐ion radiotherapy for urological cancers by Ishikawa, Hitoshi, Hiroshima, Yuichi, Kanematsu, Nobuyuki, Inaniwa, Taku, Shirai, Toshiyuki, Imai, Reiko, Suzuki, Hiroyoshi, Akakura, Koichiro, Wakatsuki, Masaru, Ichikawa, Tomohiko, Tsuji, Hiroshi

“…Carbon‐ions are charged particles with a high linear energy transfer, and therefore, they make a better dose distribution with greater biological effects on…”
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Carbon ion radiotherapy for sacral chordoma: A retrospective nationwide multicentre study in Japan by Demizu, Yusuke, Imai, Reiko, Kiyohara, Hiroki, Matsunobu, Akira, Okamoto, Masahiko, Okimoto, Tomoaki, Tsuji, Hiroshi, Ohno, Tatsuya, Shioyama, Yoshiyuki, Nemoto, Kenji, Nakano, Takashi, Kamada, Tadashi

“…•The first multicentre study to evaluate carbon ion radiotherapy for sacral chordoma.•The largest cohort of patients among the reports published to…”
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Complication rate, functional outcomes, and risk factors associated with carbon ion radiotherapy for patients with unresectable pelvic bone sarcoma by Takenaka, Satoshi, Araki, Nobuhito, Outani, Hidetatsu, Hamada, Ken‐ichiro, Yoshikawa, Hideki, Kamada, Tadashi, Imai, Reiko

“…Background To the authors' knowledge, carbon ion radiotherapy (CIRT) is one of the few curative treatments for unresectable pelvic bone sarcoma. The current…”
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Dose-averaged linear energy transfer per se does not correlate with late rectal complications in carbon-ion radiotherapy by Okonogi, Noriyuki, Matsumoto, Shinnosuke, Fukahori, Mai, Furuichi, Wataru, Inaniwa, Taku, Matsufuji, Naruhiro, Imai, Reiko, Yamada, Shigeru, Kanematsu, Nobuyuki, Tsuji, Hiroshi

“…•We assessed prognostic factors for late rectal toxicities in carbon-ion RT.•Clinical dose, linear energy transfer (LET), and physical dose were…”
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Unresectable Chondrosarcomas Treated With Carbon Ion Radiotherapy: Relationship Between Dose-averaged Linear Energy Transfer and Local Recurrence by MATSUMOTO, SHINNOSUKE, LEE, SUNG HYUN, IMAI, REIKO, INANIWA, TAKU, MATSUFUJI, NARUHIRO, FUKAHORI, MAI, KOHNO, RYOSUKE, YONAI, SHUNSUKE, OKONOGI, NORIYUKI, YAMADA, SHIGERU, KANEMATSU, NOBUYUKI

“…Background/Aim: The local control rate of chondrosarcomas treated with carbon-ion radiotherapy (CIRT) worsens as tumour size increases, possibly because of the…”
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Effects of dose and dose-averaged linear energy transfer on pelvic insufficiency fractures after carbon-ion radiotherapy for uterine carcinoma by Mori, Yasumasa, Okonogi, Noriyuki, Matsumoto, Shinnosuke, Furuichi, Wataru, Fukahori, Mai, Miyasaka, Yuhei, Murata, Kazutoshi, Wakatsuki, Masaru, Imai, Reiko, Koto, Masashi, Yamada, Shigeru, Ishikawa, Hitoshi, Kanematsu, Nobuyuki, Tsuji, Hiroshi

“…•We assessed the prognostic factors for sacrum insufficiency fractures (SIFs) in carbon-ion RT.•Median RBE-weighted dose to the sacrum was a risk factor for…”
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Radiation-induced osteosarcoma in the pubic bone after proton radiotherapy for prostate cancer: a case report by Nakashima, Hiroatsu, Takatsu, Tetsuro, Imai, Reiko

“…Objective: Radiation-induced sarcoma (RIS), which develops after radiotherapy, occurs as a secondary sarcoma in the irradiated area after a long latency period…”
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Impact of carbon ion radiotherapy for unresectable osteosarcoma of the trunk by Matsunobu, Akira, Imai, Reiko, Kamada, Tadashi, Imaizumi, Takeshi, Tsuji, Hiroshi, Tsujii, Hirohiko, Shioyama, Yoshiyuki, Honda, Hiroshi, Tatezaki, Shin‐ichiro

“…BACKGROUND: The authors summarized the outcomes of patients with unresectable osteosarcoma of the trunk who received carbon ion radiotherapy (CIRT). METHODS:…”
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Carbon Ion Radiotherapy: Clinical Experiences at National Institute of Radiological Science (NIRS) by Okada, Tohru, Kamada, Tadashi, Tsuji, Hiroshi, Mizoe, Jun-etsu, Baba, Masayuki, Kato, Shingo, Yamada, Shigeru, Sugahara, Shinji, Yasuda, Shigeo, Yamamoto, Naoyoshi, Imai, Reiko, Hasegawa, Azusa, Imada, Hiroshi, Kiyohara, Hiroki, Jingu, Kenichi, Shinoto, Makoto, Tsujii, Hirohiko

“…In June 1994, the world's first clinical center offering carbon ion radiotherapy opened at the National Institute of Radiological Science (NIRS), Japan. Among…”
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Recurrent lumbar-origin osteoblastoma treated with multiple surgery and carbon ion radiotherapy: a case report by Honda, Akira, Iizuka, Yoichi, Imai, Reiko, Nishinome, Masahiro, Hirato, Junko, Koshi, Hiromi, Mieda, Tokue, Sonoda, Hiroyuki, Ishiwata, Sho, Kakuta, Yohei, Tajika, Tsuyoshi, Chikuda, Hirotaka

“…Although osteoblastoma is an uncommon benign bone tumor, it sometimes behaves in a locally aggressive fashion. We herein report a case of recurrent lumbar…”
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Effect of Carbon Ion Radiotherapy for Sacral Chordoma: Results of Phase I-II and Phase II Clinical Trials by Imai, Reiko, M.D., Ph.D, Kamada, Tadashi, M.D., Ph.D, Tsuji, Hiroshi, M.D., Ph.D, Sugawara, Shinji, M.D., Ph.D, Serizawa, Itsuko, M.D, Tsujii, Hirohiko, M.D., Ph.D, Tatezaki, Shin-ichiro, M.D., Ph.D

“…Purpose To summarize the results of treatment for sacral chordoma in Phase I-II and Phase II carbon ion radiotherapy trials for bone and soft-tissue sarcomas…”
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Salvage carbon ion radiotherapy for recurrent solitary fibrous tumor: A case report and literature review by Murata, Kazuma, Endo, Kenji, Aihara, Takato, Matsuoka, Yuji, Nishimura, Hirosuke, Suzuki, Hidekazu, Sawaji, Yasunobu, Yamamoto, Kengo, Fukami, Shinjiro, Tanigawa, Maki, Matsubayashi, Jun, Nagao, Toshitaka, Imai, Reiko

“…Background: Malignant solitary fibrous tumor (MSFT) arising from the spinal cord is extremely rare and poorly understood mesenchymal neoplasms: only a few MSFT…”
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Laparoscopic spacer placement for recurrent sacral chordoma before carbon ion radiotherapy: A case report by Nagai, Shuntaro, Nagayoshi, Kinuko, Mizuuchi, Yusuke, Fujita, Hayato, Ohuchida, Kenoki, Ohtsuka, Takao, Imai, Reiko, Nakamura, Masafumi

“…Recently, several scholars have demonstrated the efficacy of carbon ion radiotherapy (CIRT). To treat abdominal or pelvic tumors by CIRT, it is necessary to…”
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Carbon Ion Radiotherapy for Unresectable Retroperitoneal Sarcomas by Serizawa, Itsuko, M.D, Kagei, Kenji, M.D., Ph.D, Kamada, Tadashi, M.D., Ph.D, Imai, Reiko, M.D., Ph.D, Sugahara, Shinji, M.D., Ph.D, Okada, Tohru, M.D, Tsuji, Hiroshi, M.D., Ph.D, Ito, Hisao, M.D., Ph.D, Tsujii, Hirohiko, M.D., Ph.D

“…Purpose To evaluate the applicability of carbon ion radiotherapy (CIRT) for unresectable retroperitoneal sarcomas with regard to normal tissue morbidity and…”
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Impact of carbon ion radiotherapy for primary spinal sarcoma by Matsumoto, Keiji, Imai, Reiko, Kamada, Tadashi, Maruyama, Katsuya, Tsuji, Hiroshi, Tsujii, Hirohiko, Shioyama, Yoshiyuki, Honda, Hiroshi, Isu, Kazuo

“…BACKGROUND Spinal sarcomas have been one of the most challenging diseases for orthopedic surgeons. The objective of this study was to retrospectively analyze…”
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Fusion surgery with instrumentation following carbon ion radiotherapy for primary lumbar tumors: A case series by Ando, Kei, Kobayashi, Kazuyoshi, Machino, Masaaki, Ota, Kyotaro, Morozumi, Masayoshi, Tanaka, Satoshi, Imai, Reiko, Nishida, Yoshihiro, Ishiguro, Naoki, Imagama, Shiro

“…•We report three cases of instrumented surgery following CIRT for lumbar lesions.•2 cases required several salvage procedures because of failure of…”
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The Majority of United States Citizens With Cancer do not Have Access to Carbon Ion Radiotherapy by Foote, Robert L., Tsujii, Hirohiko, Imai, Reiko, Tsuji, Hiroshi, Hug, Eugen B., Kanai, Tatsuaki, Lu, Jiade J., Debus, Juergen, Engenhart-Cabillic, Rita, Mahajan, Anita

“…As of December 31, 2020, there were 12 facilities located in Asia and Europe which were treating cancer patients with carbon ion radiotherapy (CIRT). Between…”
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