Search Results - "Takenaka, Shigeharu"

Retrospective dose reconstruction of prostate stereotactic body radiotherapy using cone-beam CT and a log file during VMAT delivery with flattening-filter-free mode by Imae, Toshikazu, Haga, Akihiro, Watanabe, Yuichi, Takenaka, Shigeharu, Shiraki, Takashi, Nawa, Kanabu, Ogita, Mami, Takahashi, Wataru, Yamashita, Hideomi, Nakagawa, Keiichi, Abe, Osamu

“…This study aimed to reconstruct the dose distribution of single fraction of stereotactic body radiotherapy for patients with prostate cancer using cone-beam…”
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Surface and build‐up dose comparison between Elekta 6 MV flattening filter and flattening‐filter‐free beams using an advanced Markus ionization chamber and a solid water‐equivalent phantom by Imae, Toshikazu, Takenaka, Shigeharu, Watanabe, Yuichi, Aoki, Atsushi, Matsuda, Kanako, Sasaki, Katsutake, Saegusa, Shigeki, Nawa, Kanabu, Nakagawa, Keiichi, Abe, Osamu

“…Using a plane‐parallel advanced Markus ionization chamber and a stack of water‐equivalent solid phantom blocks, percentage surface and build‐up doses of Elekta…”
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Effective atomic number estimation using kV-MV dual-energy source in LINAC by Sakata, Dousatsu, Haga, Akihiro, Kida, Satoshi, Imae, Toshikazu, Takenaka, Shigeharu, Nakagawa, Keiichi

“…•A large energy gap dual-energy CT reconstruction was proposed by using a linear accelerator radiotherapy system.•With X-ray energy spectrum simulated by…”
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Volumetric modulated arc therapy for lung stereotactic radiation therapy can achieve high local control rates by Yamashita, Hideomi, Haga, Akihiro, Takahashi, Wataru, Takenaka, Ryousuke, Imae, Toshikazu, Takenaka, Shigeharu, Nakagawa, Keiichi

“…The aim of this study was to report the outcome of primary or metastatic lung cancer patients undergoing volumetric modulated arc therapy for stereotactic body…”
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Individually wide range of renal motion evaluated by four-dimensional computed tomography by Yamashita, Hideomi, Yamashita, Mami, Futaguchi, Masahiko, Takenaka, Ryousuke, Shibata, Shino, Yamamoto, Kentaro, Nomoto, Akihiro, Sakumi, Akira, Kida, Satoshi, Kaneko, Yoshihiro, Takenaka, Shigeharu, Shiraki, Takashi, Nakagawa, Keiichi

“…Objectives Assessment of physiologic renal motion in order to optimize abdominal intensity-modulated radiation therapy and stereotactic body radiation therapy…”
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A New Tool for Real-Time Monitoring of Photon-Beam Irradiation Using Positron Production in Radiotherapy by Maruyama, Koichi, Watanabe, Tetsuya, Takenaka, Shigeharu, Asai, Hiroyuki, Oomori, Kazuyoshi, Takei, Hideyuki, Saito, Kyoko, Saito, Hidetoshi, Hayakawa, Kazushige

“…A method for monitoring the real-time irradiation field and irradiation dose of energetic photons has been developed for use in cancer radiotherapy that uses…”
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A New Tool for Real-Time Monitoring of Photon-Beam Irradiation Using Positron Production in Radiotherapy by Maruyama, Koichi, Watanabe, Tetsuya, Takenaka, Shigeharu, Asai, Hiroyuki, Oomori, Kazuyoshi, Takei, Hideyuki, Saito, Kyoko, Saito, Hidetoshi, Hayakawa, Kazushige

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Radiation dose reduction with frame rate conversion in X-ray fluoroscopic imaging systems with flat panel detector: basic study and clinical retrospective analysis by Sakai, Noriyuki, Tabei, Katsuyuki, Sato, Jiro, Imae, Toshikazu, Suzuki, Yuichi, Takenaka, Shigeharu, Yano, Keiichi, Abe, Osamu

“…Objectives To (a) evaluate the interpolation frames of frame rate conversion (FRC) compared with fluoroscopic frames of conventional method, and (b) compare…”
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Cone-beam computed-tomography-based delta-radiomic analysis for investigating prognostic power for esophageal squamous cell cancer patients undergoing concurrent chemoradiotherapy by Nakamoto, Takahiro, Yamashita, Hideomi, Jinnouchi, Haruka, Nawa, Kanabu, Imae, Toshikazu, Takenaka, Shigeharu, Aoki, Atsushi, Ohta, Takeshi, Ozaki, Sho, Nozawa, Yuki, Nakagawa, Keiichi

“…•We aimed to predict prognoses for ESCC under CCRT using CBCT-based delta-radiomics.•Five CBCT images acquired during CCRT were used for delta-radiomic…”
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Independent absorbed-dose calculation using the Monte Carlo algorithm in volumetric modulated arc therapy by Haga, Akihiro, Magome, Taiki, Takenaka, Shigeharu, Imae, Toshikazu, Sakumi, Akira, Nomoto, Akihiro, Igaki, Hiroshi, Shiraishi, Kenshiro, Yamashita, Hideomi, Ohtomo, Kuni, Nakagawa, Keiichi

“…To report the result of independent absorbed-dose calculations based on a Monte Carlo (MC) algorithm in volumetric modulated arc therapy (VMAT) for various…”
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Evaluation of a Post-analysis Method for Cumulative Dose Distribution in Stereotactic Body Radiotherapy by Imae, Toshikazu, Saotome, Naoya, Takenaka, Shigeharu, Watanabe, Yuuichi, Takeuchi, Yukihiro, Yano, Keiichi, Nakano, Masahiro, Haga, Akihiro, Takahashi, Wataru, Yamashita, Hideomi, Nakagawa, Keiichi, Ohtomo, Kuni

“…The purpose of this study was to evaluate a post-analysis method for cumulative dose distribution in stereotactic body radiotherapy (SBRT) using volumetric…”
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Evaluation of In Vivo Volumetric Dosimetry for Prostate Cancer Using Electronic Portal Imaging Device by Imae, Toshikazu, Takenaka, Shigeharu, Watanabe, Yuuichi, Okano, Yukari, Nedu, Makoto, Saegusa, Shigeki, Takeuchi, Yukihiro, Yano, Keiichi, Haga, Akihiro, Shiraishi, Kenshirou, Yamashita, Hideomi, Nakagawa, Keiichi

“…Volumetric modulated arc therapy (VMAT) is capable of acquiring projection images using electronic portal imaging device (EPID). Commercial EPID-based…”
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Dose reconstruction using respiratory signals and machine parameters during treatment in stereotactic body radiotherapy by Imae, Toshikazu, Haga, Akihiro, Saotome, Naoya, Kida, Satoshi, Nakano, Masahiro, Takenaka, Shigeharu, Takeuchi, Yukihiro, Shiraki, Takashi, Yano, Keiichi, Yamashita, Hideomi, Nakagawa, Keiichi, Ohtomo, Kuni

“…Volumetric modulated arc therapy (VMAT) is a rotational intensity-modulated radiotherapy (IMRT) technique capable of acquiring projection images during…”
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Winston-lutz test and acquisition of flexmap using rotational irradiation by Imae, Toshikazu, Haga, Akihiro, Saotome, Naoya, Takenaka, Shigeharu, Okano, Yukari, Sasaki, Katutake, Nedu, Makoto, Saegusa, Shigeki, Shiraki, Takashi, Yano, Keiichi, Nakagawa, Keiichi, Ohtomo, Kuni

“…IGRT (image guided radiation therapy) is a useful technique for implementing precisely targeted radiation therapy. Quality assurance and quality control…”
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BILATERAL INTERNAL MAMMARY ARTERY IMPLANTATION by TERAMOTO, OKIO, FUKUTA, IWAO, TAKENAKA, SHIGEHARU, ASAI, YOSHIHIRO, KURAHASHI, HIDETOSHI, TAJIKA, TETSUYA, MURASE, MITSUYA, TANAKA, MINORU, TAMOTO, KOJI, ISHIHARA, TOMOYOSHI, TSUCHIOKA, HIROMICHI, ABE, TOSHIO, IYOMASA, YOTARO, FUKUKEI, ITSURO

“…556The feasiblity of operation on a patient with widespread coronary artery disease was described. The patient in this report was failing in spite of competent…”
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SURGICAL TREATMENT OF ISCHEMIC HEART DISEASE by TERAMOTO, TOKIO, OKAMURA, EIGI, KURAHASHI, HIDETOSHI, FUKUKEI, ITSURO, MURASE, MITSUYA, FUKUTA, IWAO, TAKENAKA, SHIGEHARU, ASAI, SHIGEHIRO, TAJIKA, TETSUYA, TANAKA, MINORU, TAMOTO, KOJI, HIKOSAKA, HIROSHI, HIRAMATSU, HAYAO, YOSHIOKA, KENJI, OZAWA, KATSUO, NAGATA, YOSHIHISA, TAKAHASHI, TORAO, ISHIHARA, TOMOYOSHI, SHIMIZU, TAKESHI, ABE, TOSHIO, TSUCHIOKA, HIROMICHI, IYOMASA, YOHOTARO

“…The importance of selective coronary arteriography associated with treatment of ischemic heart disease was stressed. Of 45 patients with selective coronary…”
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