Search Results - "Deloar, Hossain M"

Automatic tracking of gold seed markers from CBCT image projections in lung and prostate radiotherapy by Gehrke, Christopher, Oates, Richard, Ramachandran, Prabhakar, Deloar, Hossain M, Gill, Suki, Kron, Tomas

“…Abstract Purpose To construct a method and software to track gold seed implants in prostate and lung patients undergoing radiotherapy using CBCT image…”
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Differences in pulmonary function before vs. 1 year after hypofractionated stereotactic radiotherapy for small peripheral lung tumors by Ohashi, Toshio, Takeda, Atsuya, Shigematsu, Naoyuki, Kunieda, Etsuo, Ishizaka, Akitoshi, Fukada, Junichi, Deloar, Hossain M, Kawaguchi, Osamu, Takeda, Toshiaki, Takemasa, Kazuhiko, Isobe, Kouichi, Kubo, Atsushi

“…To evaluate long-term pulmonary toxicity of stereotactic radiotherapy (SRT) by pulmonary function tests (PFTs) performed before and after SRT for small…”
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Small lung tumors: long-scan-time CT for planning of hypofractionated stereotactic radiation therapy--initial findings by Takeda, Atsuya, Kunieda, Etsuo, Shigematsu, Naoyuki, Hossain, Deloar M, Kawase, Takatsugu, Ohashi, Toshio, Fukada, Jun-ichi, Kawaguchi, Osamu, Uematsu, Minoru, Takeda, Toshiaki, Takemasa, Kazuhiko, Takahashi, Takeshige, Kubo, Atsushi

“…To prospectively use long-scan-time computed tomography (CT) to visualize the trajectory of tumor movements or the internal target volume. The study was…”
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Converging Stereotactic Radiotherapy Using Kilovoltage X-Rays: Experimental Irradiation of Normal Rabbit Lung and Dose–Volume Analysis With Monte Carlo Simulation by Kawase, Takatsugu, M.D., Ph.D, Kunieda, Etsuo, M.D., Ph.D, Deloar, Hossain M., Ph.D, Tsunoo, Takanori, Ph.D, Seki, Satoshi, M.D., Ph.D, Oku, Yohei, Ph.D, Saitoh, Hidetoshi, Ph.D, Saito, Kimiaki, Ph.D, Ogawa, Eileen N., M.D., Ph.D, Ishizaka, Akitoshi, M.D., Ph.D, Kameyama, Kaori, M.D., Ph.D, Kubo, Atsushi, M.D., Ph.D

“…Purpose To validate the feasibility of developing a radiotherapy unit with kilovoltage X-rays through actual irradiation of live rabbit lungs, and to explore…”
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Evaluation of penetration and scattering components in conventional pinhole SPECT: phantom studies using Monte Carlo simulation by Deloar, Hossain M, Watabe, Hiroshi, Aoi, Toshiyuki, Iida, Hidehiro

“…In quantitative pinhole SPECT, photon penetration through the collimator edges (penetration), and photon scattering by the object (object scatter) and…”
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Experimental stereotactic irradiation of normal rabbit lung: computed tomographic analysis of radiation injury and the histopathological features by Kawase, Takatsugu, Kunieda, Etsuo, Deloar, Hossain M, Seki, Satoshi, Sugawara, Akitomo, Tsunoo, Takanori, Ogawa, Eileen N, Ishizaka, Akitoshi, Kameyama, Kaori, Takeda, Atsuya, Kubo, Atsushi

“…The aim of this study was to establish an animal experimental model of pulmonary stereotactic irradiation and clarify the morphological patterns of pulmonary…”
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Estimation of internal absorbed dose of L-[methyl-11C]methionine using whole-body positron emission tomography by Deloar, H M, Fujiwara, T, Nakamura, T, Itoh, M, Imai, D, Miyake, M, Watanuki, S

“…L-[Methyl-11C]-methionine (11C-methionine) is proposed as a useful radiotracer for tumour diagnosis. Human biodistribution data of cumulated activities and…”
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Interface software for DOSXYZnrc Monte Carlo dose evaluation on a commercial radiation treatment planning system by Kunieda, Etsuo, Deloar, Hossain M, Takagi, Shunji, Sato, Koichi, Kawase, Takatsugu, Saitoh, Hidetoshi, Saito, Kimiaki, Sato, Osamu, Sorell, Graham, Kubo, Atsushi

“…As the conventional graphical user interface (GUI) associated with DOSXYZnrc or BEAMnrc is unable to define specific structures such as gross tumor volume…”
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Rotational and translational reproducibility of newly developed Leksell frame-based relocatable fixation system by Kunieda, Etsuo, Deloar, Hossain M, Kitamura, Masayuki, Kawaguchi, Osamu, Shiba, Hideyuki, Takeda, Atsuya, Kawase, Takatsugu, Seki, Satoshi, Shigematsu, Naoyuki, Kubo, Atsushi

“…The aim of this study was to evaluate three-dimensional movement of the cranium in a relocatable frame using positions of anatomical landmarks obtained from…”
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System design and development of a pinhole SPECT system for quantitative functional imaging of small animals by Aoi, Toshiyuki, Zeniya, Tsutomu, Watabe, Hiroshi, Deloar, Hossain M., Matsuda, Tetsuya, Iida, Hidehiro

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Dependency of energy and spatial distributions of photons on edge of object in brain SPECT by Deloar, Hossain M, Watabe, Hiroshi, Kudomi, Nobuyuki, Kim, Kyeong Min, Aoi, Toshiyuki, Iida, Hidehiro

“…Accurate mu maps are important for quantitative image reconstruction in SPECT. The Compton scatter energy window (CSW) technique has been proposed to define…”
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Differences in the definition of internal target volumes using slow CT alone or in combination with thin-slice CT under breath-holding conditions during the planning of stereotactic radiotherapy for lung cancer by Seki, Satoshi, Kunieda, Etsuo, Takeda, Atsuya, Nagaoka, Tomoaki, Deloar, Hossain M, Kawase, Takatsugu, Fukada, Junichi, Kawaguchi, Osamu, Uematsu, Minoru, Kubo, Atsushi

“…Abstract Purpose To investigate how the delineations of the internal target volume (ITV) made from ‘slow’ CT alter with reference to ‘thin-slice’ CT. Materials…”
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Estimate of organ radiation absorbed doses in clinical CT using the radiation treatment planning system by Fujibuchi, Toshioh, Funabashi, Nobusada, Hashimoto, Masatoshi, Kato, Hideyuki, Kurokawa, Masayuki, Deloar, Hossain M., Kunieda, Etsuo, Komuro, Issei, Sakae, Takeji

“…Organ absorbed doses in computed tomography (CT) scans can be measured with anatomical phantoms but not inside the human body. In this study, a straightforward…”
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Investigations of different kilovoltage x-ray energy for three-dimensional converging stereotactic radiotherapy system: Monte Carlo simulations with CT data by Deloar, Hossain M., Kunieda, Etsuo, Kawase, Takatsugu, Tsunoo, Takanori, Saitoh, Hidetoshi, Ozaki, Masahiro, Saito, Kimiaki, Takagi, Shunji, Sato, Osamu, Fujisaki, Tatsuya, Myojoyama, Atsushi, Sorell, Graham

“…We are investigating three-dimensional converging stereotactic radiotherapy (3DCSRT) with suitable medium-energy x rays as treatment for small lung tumors with…”
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Measurement of beam-axis displacement from the isocenter during three-dimensional conformal radiosurgery with a micro-multileaf collimator by Kunieda, Etsuo, Kawaguchi, Osamu, Saitoh, Hidetoshi, Fujisaki, Tatsuya, Takeda, Atsuya, Kawase, Takatsugu, Deloar, Hossain M., Shigematsu, Naoyuki, Kubo, Atsushi

“…We describe the displacement of the beam-axis from the planning isocenter in clinical situations during three-dimensional conformal radiosurgery using an…”
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Monte Carlo modelling the dosimetric effects of electrode material on diamond detectors by Baluti, Florentina, Deloar, Hossain M., Lansley, Stuart P., Meyer, Juergen

“…Diamond detectors for radiation dosimetry were modelled using the EGSnrc Monte Carlo code to investigate the influence of electrode material and detector…”
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Estimation of absorbed dose for 2-[F-18]fluoro-2-deoxy- d - glucose using whole-body positron emission tomography and magnetic resonance imaging by Deloar, Hossain M., Fujiwara, Takehiko, Shidahara, Miho, Nakamura, Takashi, Watabe, Hiroshi, Narita, Yuichiro, Itoh, Masatoshi, Miyake, Masayasu, Watanuki, Shoichi

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Performance study of a miniature gamma ray scintillationvivo probe for tumor localization by Deloar, Hossain M, Watabe, Hiroshi, Hayashi, Yoshiharu, Miyake, Masayasu, Nakamura, Takashi, Takahashi, Hiromu, Yoshioka, Takashi, Kanamaru, Ryunosuke, Fujiwara, Takehiko, Itoh, Masatoshi

“…We have developed a miniature γ-ray endoscopic probe consisting of dual BGO detector probes for tumor detection inside the body cavities. The dual detector…”
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Performance study of a miniature gamma ray scintillation vivo probe for tumor localization by Deloar, H M, Watabe, H, Hayashi, Y, Miyake, M, Nakamura, T, Takahashi, H, Yoshioka, T, Kanamaru, R, Fujiwara, T, Itoh, M

“…We have developed a miniature gamma-ray endoscopic probe consisting of dual BGO detector probes for tumor detection inside the body cavities. The dual detector…”
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System design and development of a pinhole SPECT system for quantitative functional imaging of small animals by Aoi, Toshiyuki, Zeniya, Tsutomu, Watabe, Hiroshi, Deloar, Hossain M, Matsuda, Tetsuya, Iida, Hidehiro

“…Recently, small animal imaging by pinhole SPECT has been widely investigated by several researchers. We developed a pinhole SPECT system specially designed for…”
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