DAISUKE KAWAHARA

Last Updated :2022/12/02

Affiliations, Positions
Hiroshima University Hospital(Division of Clinical Radiology), Assistant Professor
E-mail
daika99hiroshima-u.ac.jp

Basic Information

Academic Degrees

  • Hiroshima University
  • Hiroshima University

Research Fields

  • Medicine,dentistry, and pharmacy;Boundary medicine;Medical Physics and Radiological Technology
  • Informatics;Computing Technologies;Multimedia database

Affiliated Academic Societies

  • American Medical Physics Society
  • Japanese Society of Medical Physics
  • Japanese Society of Radiological Technology
  • Japanese Society of Radiation Oncology

Educational Activity

Course in Charge

  1. 2022, Undergraduate Education, Intensive, Practice for medical research
  2. 2022, Graduate Education (Master's Program) , First Semester, Seminar on Physics of Nuclear Medicine
  3. 2022, Graduate Education (Master's Program) , First Semester, English for Scientific Paper

Research Activities

Academic Papers

  1. Improved biological dosimetric margin model for different PTV margins with stereotactic body radiation therapy in homogeneous and nonhomogeneous tumor regions, Reports of Practical Oncology and Radiotherapy, 202208
  2. DNA strand breaks based on Monte Carlo simulation in and around the Lipiodol with flattening filter and flattening filter-free photon beams, Reports of Practical Oncology and Radiotherapy, 6, 392-400, 202206
  3. A prediction model for pathological findings after neoadjuvant chemoradiotherapy for resectable locally advanced esophageal squamous cell carcinoma based on endoscopic images using deep learning, BRITISH JOURNAL OF RADIOLOGY, 95(1135), 2022
  4. Development of a radiomics and machine learning model for predicting occult cervical lymph node metastasis in patients with tongue cancer, ORAL SURGERY ORAL MEDICINE ORAL PATHOLOGY ORAL RADIOLOGY, 134(1), 93-101, 202207
  5. Deep learning-based auto segmentation using generative adversarial network on magnetic resonance images obtained for head and neck cancer patients, JOURNAL OF APPLIED CLINICAL MEDICAL PHYSICS, 23(5), 202205
  6. Stoichiometric CT number calibration using three-parameter fit model for ion therapy, PHYSICA MEDICA-EUROPEAN JOURNAL OF MEDICAL PHYSICS, 99, 22-30, 202207
  7. Stepwise deep neural network (stepwise-net) for head and neck auto-segmentation on CT images, COMPUTERS IN BIOLOGY AND MEDICINE, 143, 202204
  8. Availability of Using Diaphragm Matching in Stereotactic Body Radiotherapy (SBRT) at the Time in Breath-holding SBRT for Liver Cancer, Japanese journal of radiological technology, 70(1), 51-56, 201401
  9. Tolerance levels of mass density for CT number calibration in photon radiation therapy, JOURNAL OF APPLIED CLINICAL MEDICAL PHYSICS, 20(6), 45-52, 201906
  10. Photon and electron backscatter dose and energy spectrum analysis around Lipiodol using flattened and unflattened beams, JOURNAL OF APPLIED CLINICAL MEDICAL PHYSICS, 20(6), 178-183, 201906
  11. Availability of applying diaphragm matching with the breath-holding technique in stereotactic body radiation therapy for liver tumors, PHYSICA MEDICA-EUROPEAN JOURNAL OF MEDICAL PHYSICS, 32(4), 557-561, 201606
  12. Impact of reduction of flux overlap region on kilovoltage cone beam computed tomography image quality and patient's exposure dose, Reports of practical oncology and radiotherapy, 21(5), 460-465, 201609
  13. Evaluation of beam modeling for small fields using a flattening filter free beam, Radiological Physics and Technology, 10(1), 33-40, 201705
  14. Marginal prescription equivalent to the isocenter prescription in lung stereotactic body radiotherapy: preliminary study for Japan Clinical Oncology Group trial (JCOG1408), Journal of Radiation Research, 58(1), 149-154, 201701
  15. ★, Dosimetric impact of Lipiodol in stereotactic body radiation therapy on liver after trans-arterial chemoembolization, Medical physics, 44(1), 342-348, 201701
  16. Absorbed dose and image quality of Varian TrueBeam CBCT compared with OBI CBCT, Physica Medica, 32(12), 1628-1633, 201612
  17. Evaluation of Absorbed Dose for CBCT in Image-guided Radiation Therapy: Comparison of Each Devices and Facilities., Japanese Journal of Radiological Technology, 73(4), 309-316, 201704
  18. Split-VMAT technique to control the expiratory breath-hold time in liver stereotactic body radiation therapy, Physica Medica, 40, 17-23, 201708
  19. Tolerance levels of CT number to electron density table for photon beam in radiotherapy treatment planning system, Journal of Applied Clinical Medical Physics, 19(1), 271-275, 201801
  20. Accuracy of the raw-data-based effective atomic numbers and monochromatic CT numbers for contrast medium with a dual-energy CT technique., The British journal of radiology, 91(1082), 201802
  21. Energy spectrum and dose enhancement due to the depth of the Lipiodol position using flattened and unflattened beams, Reports of Practical Oncology & Radiotherapy, 23(1), 50-56, 201802
  22. Interfractional diaphragm changes during breath-holding in stereotactic body radiotherapy for liver cancer, Reports of Practical Oncology and Radiotherapy, 23(2), 84-90, 201803
  23. Effect of secondary electron generation on dose enhancement in Lipiodol with and without a flattening filter, Journal of Applied Clinical Medical Physics, 19(2), 211-217, 201803
  24. Relative biological effectiveness study of Lipiodol based on microdosimetric-kinetic model, Physica Medica, 46, 89-95, 201802
  25. Estimation of patient-specific imaging dose for real-time tumor monitoring in lung patients during respiratory-gated radiotherapy., Physics in Medicine & Biology, 63(6), 201803
  26. A novel verification method using a plastic scintillator imagining system for assessment of gantry sag in radiotherapy, Medical Physics, 45(6), 2411-2424, 201806
  27. Automatic contrast medium extraction system using electron density data with dual-energy CT, The British journal of radiology, 91(1090), 201810
  28. Effect of dose-delivery time for flattened and flattening filter-free photon beams based on microdosimetric kinetic model, PLOS ONE, 13(11), 201811
  29. A novel risk analysis of clinical reference dosimetry based on failure modes and effects analysis, Physica Medcia, 58, 59-65, 201902
  30. Metal artifact reduction techniques for single energy CT and dual-energy CT with various metal materials, The British Institute of Radiology Open, 201907
  31. Tolerance levels of mass density for CT number calibration in photon radiation therapy, Journal of Applied Clinical Medical Physics, 20(6), 45-52, 201906
  32. Evaluation of raw-data-based and calculated electron density for contrast media with a dual-energy CT technique., Reports of Practical Oncology and Radiotherapy, 24(5), 499-506, 201909
  33. Dosimetric impact of Lipiodol in stereotactic body radiation therapy on liver after trans-arterial chemoembolization, 2018
  34. Availability of Using Diaphragm Matching in Stereotactic Body Radiotherapy (SBRT) in Breath-Holding SBRT for Liver Cancer, 2016
  35. Improving automatic contrast agent extraction system using monochromatic CT number, Australasian Physical & Engineering Sciences in Medicine, 42(3), 819-826, 201908
  36. Evaluation of raw-data-based and calculated electron density for contrast media with a dual-energy CT technique, REPORTS OF PRACTICAL ONCOLOGY AND RADIOTHERAPY, 24(5), 499-506, 2019
  37. Biological dose-enhancement analysis with Monte Carlo simulation for Lipiodol for photon beams, REPORTS OF PRACTICAL ONCOLOGY AND RADIOTHERAPY, 24(6), 681-687, 2019
  38. Predictive gamma passing rate for three-dimensional dose verification with finite detector elements via improved dose uncertainty potential accumulation model, MEDICAL PHYSICS, 47(3), 1349-1356, 202003
  39. Assessment of biological dosimetric margin for stereotactic body radiation therapy, JOURNAL OF APPLIED CLINICAL MEDICAL PHYSICS, 21(4), 31-41, 202004
  40. Optimization of irradiation interval for fractionated stereotactic radiosurgery by a cellular automata model with reoxygenation effects, PHYSICS IN MEDICINE AND BIOLOGY, 65(8), 20200421
  41. Development of a CT number calibration audit phantom in photon radiation therapy: A pilot study, MEDICAL PHYSICS, 47(4), 1509-1522, 202004
  42. Analysis of cardiac toxicity after definitive chemoradiotherapy for esophageal cancer using a biological dose-volume histogram, JOURNAL OF RADIATION RESEARCH, 61(2), 298-306, 202003
  43. Evaluation of metal artefact techniques with same contrast scale for different commercially available dual-energy computed tomography scanners, PHYSICAL AND ENGINEERING SCIENCES IN MEDICINE, 43(2), 539-546, 202006
  44. Dose compensation based on biological effectiveness due to interruption time for photon radiation therapy, BRITISH JOURNAL OF RADIOLOGY, 93(1111), 2020
  45. A Single Institution's Experience of Definitive Radiotherapy Using Volumetric-modulated Arc Therapy for Hypopharyngeal Cancers, ANTICANCER RESEARCH, 40(7), 4183-4190, 202007
  46. Synthesized effective atomic numbers for commercially available dual-energy CT, REPORTS OF PRACTICAL ONCOLOGY AND RADIOTHERAPY, 25(4), 692-697, 2020
  47. Long-term outcomes of induction chemotherapy followed by chemoradiotherapy using volumetric-modulated arc therapy as an organ preservation approach in patients with stage IVA-B oropharyngeal or hypopharyngeal cancers, JOURNAL OF RADIATION RESEARCH, 61(4), 554-562, 202007
  48. Radiobiological effects of the interruption time with Monte Carlo Simulation on multiple fields in photon beams, JOURNAL OF APPLIED CLINICAL MEDICAL PHYSICS, 21(12), 288-294, 202012
  49. Image synthesis with deep convolutional generative adversarial networks for material decomposition in dual-energy CT from a kilovoltage CT, COMPUTERS IN BIOLOGY AND MEDICINE, 128, 202101
  50. Evaluation of optimization workflow using custom-made planning through predicted dose distribution for head and neck tumor treatment, PHYSICA MEDICA-EUROPEAN JOURNAL OF MEDICAL PHYSICS, 80, 167-174, 202012
  51. Predicting the Local Response of Metastatic Brain Tumor to Gamma Knife Radiosurgery by Radiomics With a Machine Learning Method, FRONTIERS IN ONCOLOGY, 10, 20210111
  52. Formulation of objective indices to quantify machine failure risk analysis for interruptions in radiotherapy, JOURNAL OF APPLIED CLINICAL MEDICAL PHYSICS, 22(1), 165-173, 202101
  53. Detecting MLC modeling errors using radiomics-based machine learning in patient-specific QA with an EPID for intensity-modulated radiation therapy, MEDICAL PHYSICS, 48(3), 991-1002, 202103
  54. Image synthesis of monoenergetic CT image in dual-energy CT using kilovoltage CT with deep convolutional generative adversarial networks, JOURNAL OF APPLIED CLINICAL MEDICAL PHYSICS, 22(4), 184-192, 202104
  55. T1-weighted and T2-weighted MRI image synthesis with convolutional generative adversarial networks, REPORTS OF PRACTICAL ONCOLOGY AND RADIOTHERAPY, 26(1), 35-42, 202101
  56. Efficacy and tolerability of preoperative chemoradiotherapy with S-1 alone for locally advanced rectal cancer, JOURNAL OF RADIATION RESEARCH, 62(2), 300-308, 202103
  57. Predicting the Local Response of Esophageal Squamous Cell Carcinoma to Neoadjuvant Chemoradiotherapy by Radiomics with a Machine Learning Method Using F-18-FDG PET Images, DIAGNOSTICS, 11(6), 202106
  58. A prediction model for degree of differentiation for resectable locally advanced esophageal squamous cell carcinoma based on CT images using radiomics and machine-learning, BRITISH JOURNAL OF RADIOLOGY, 94(1124), 2021
  59. Prediction of radiation pneumonitis after definitive radiotherapy for locally advanced non-small cell lung cancer using multi-region radiomics analysis, SCIENTIFIC REPORTS, 11(1), 20210810
  60. T1-weighted and T2-weighted MRI image synthesis with convolutional generative adversarial networks, Rep Pract Oncol Radiother, 26(1), 35-42, 20210121
  61. Efficacy and tolerability of preoperative chemoradiotherapy with S-1 alone for locally advanced rectal cancer, J Radiat Res, 62(2), 300-308, 20210303
  62. Detecting MLC modeling errors using radiomics-based machine learning in patient-specific QA with an EPID for intensity-modulated radiation therapy, Med Phys, 48(3), 991-1020-991-1020, 202103
  63. Reduction of margin to compensate the respiratory tumor motion by the analysis of dosimetric internal target volume in lung SBRT with nonuniform volume prescription method., Med Phys, 48(6), 3200-3207, 202106
  64. Predicting the local response of esophageal squamous cell carcinoma to neoadjuvant chemoradiotherapy by radiomics with a machine learning method using 18F-FDG PET images., 11(6), 1049-1049, 202106
  65. A prediction model for degree of differentiation for resectable locally advanced esophageal squamous cell carcinoma based on CT images using radiomics and machine-learning, 94(1124), 202108
  66. Prediction of radiation pneumonitis after definitive radiotherapy for locally advanced non-small cell lung cancer using multi-region radiomics analysis., 10(11), 16, 202108
  67. Reduction of margin to compensate the respiratory tumor motion by the analysis of dosimetric internal target volume in lung SBRT with nonuniform volume prescription method, MEDICAL PHYSICS, 48(6), 3200-3207, 202106
  68. Reduction of margin to compensate the respiratory tumor motion by the analysis of dosimetric internal target volume in lung SBRT with nonuniform volume prescription method, MEDICAL PHYSICS, 48(6), 3200-3207, 202106
  69. Improved cellular automata model shows that indirect apoptotic cell death due to vascular damage enhances the local control of tumors by single fraction high-dose irradiation, BIOMEDICAL PHYSICS & ENGINEERING EXPRESS, 8(1), 202201
  70. Potential benefits of volumetric modulated arc therapy to reduce the incidence of >= grade 2 radiation pneumonitis in radiotherapy for locally advanced non-small cell lung cancer patients, JAPANESE JOURNAL OF CLINICAL ONCOLOGY, 51(12), 1729-1735, 202112

Invited Lecture, Oral Presentation, Poster Presentation

  1. Sub-region based radiomic analysis for pretreatment prediction of recurrence after radiotherapy in locally advanced cervical cancer, Daisuke Kawahara, Ikuno Nishibuchi, Masashi Kawamura, Takahito Yoshida, Yasushi Nagata, Ikuno Nishibuchi, Masashi Kawamura, Takahito Yoshida, Yasushi Nagata, 5th FARO Meeting (Federation of Asian Organizations for Radiation Oncology), 2021/10/03, Without Invitation, English
  2. A study of indirect apoptotic death by vascular damage on cell survival after single-fraction radiotherapy by using an improved cellular automata model., Kawahara Daisuke, L WU, Nagata Yagata, Watanabe Yoichi, L WU, Nagata Yagata, Watanabe Yoichi, AAPM 2021(American Association of Physicists in Medicine 63rd annual meeting & exhibition), 2021/07/25, Without Invitation, English
  3. Survival prediction of locally advanced non-small cell lung cancer via machine learning techniques based on multi-region radiomics features and clinical risk factors., Nishioka Riku, Kawahara Dasiuke, Imano Nobuki, Nagata Yasushi, Kawahara Dasiuke, Imano Nobuki, Nagata Yasushi, AAPM 2021(American Association of Physicists in Medicine 63rd annual meeting & exhibition), 2021/07/25, Without Invitation, English
  4. MRI-based multi-region delta-radiomics for prediction of recurrence after chemoradiotherapy in locally advanced cervical cancer., Kawamura Msashi, Kawahara Daisuke, Nishibuchi Ikuno, Saito Akito, Yoshida Takahito, Nagata Yasushi, Kawahara Daisuke, Nishibuchi Ikuno, Saito Akito, Yoshida Takahito, Nagata Yasushi, AAPM 2021(American Association of Physicists in Medicine 63rd annual meeting & exhibition), 2021/07/15, Without Invitation, English
  5. Prediction of radiation pneumonitis for NSCLC using crop convolutional neural network based model., Kawahara Daisuke, Imano Nobuki, Nishioka Riku, Saito Akito, Nagata Yasushi, Imano Nobuki, Nishioka Riku, Saito Akito, Nagata Yasushi, AAPM 2021(American Association of Physicists in Medicine 62nd annual meeting & exhibition), 2021/07/25, Without Invitation, English
  6. Motion management (Abches, RPM), Daisuke Kawahara, Federation of Asian Organizations for Radiation Oncology, 2021/06/09, With Invitation, English
  7. Prediction of radiation pneumonitis for NSCLC using crop convolutional neural network based model., Kawahara D, Kawahara D, Imano N, Nishioka R, Saito A, Nagata Y, AAPM 2021(American Association of Physicists in Medicine 62nd annual meeting & exhibition), 2021/07/25, Without Invitation, Japanese
  8. Motion management, Kawahara D, Kawahara D, Virtual Training course on SBRT for liver and lung cancers(Mongol NCCM), 2021/06/10, With Invitation, English
  9. Machine failure risk analysis for interruptions in radiotherapy, 2021/03/20, Without Invitation, Japanese
  10. A machine learning model with radiomics based on PET images to predict pathological response by neoadjuvant chemoradiotherapy for esophageal cancer, Murakami Y, Murakami Y, Kawahara D, Imano N, Takahashi I, Takeuchi Y, Nishibuchi I, Kimura T, Nagata Y, ASTRO 2020 (American Society for Therapeutic Radiology and Oncology 62nd the Annual Meeting), 2020/10/24, Without Invitation, English, published
  11. Predicting the degree of differentiation for esophageal cancer with radiomics analysis, 2020/10/01, Without Invitation, Japanese
  12. Automatic selection of an absolute-dose verification point for volumetric-modulated arc therapy via dose uncertainty potential accumulation model., Saito A, Saito A, Nakashima T, Kawahara D, Shiba E, Matsuura T, Fukata K, Miki K, Tsuneda M, Nishio T, Nagata Y, AAPM 2020(American Association of Physicists in Medicine 62nd annual meeting & exhibition), 2020/07/12, Without Invitation, English, published
  13. Aperture area in IMRT studied via accumulated dose uncertainty potential, Shiba E, Saito A, Shiba E, Saito A, Furumi M, Kawahara D, Miki K, Murakami Y, Ohguri T, Ozawa S, Tsuneda M, Yahara K, Nishio T, Korogi Y, Nagata Y, AAPM 2020(American Association of Physicists in Medicine 62nd annual meeting & exhibition), 2020/07/12, Without Invitation, English, published
  14. Predictive gamma passing rate of 3D array detector-based VMAT QA via deep learning combining dose distribution and accumulated dose uncertainty potential distribution., Matsuura T, Matsuura T, Kawahara D, Saito A, Shiba E, Yamada K, Ozawa S, Nagata Y, AAPM 2020(American Association of Physicists in Medicine 62nd annual meeting & exhibition), 2020/07/12, Without Invitation, English, published
  15. A study of the Effects of Vascular Damage On Tumor Volume After Hypo-Fraction Radiotherapy by Using a Cellular Automata model, Daisuke Kawahara, Daisuke Kawahara, Yasushi Nagata, Yoichi Watanabe, 2020 Joint AAPM/COMP Meeting, 2020/07/12, Without Invitation, English
  16. A new work-flow of appropriate planning for VMAT using patient specific template with geometrical ideal dose distribution., Miki K, Miki K, Saito A, Kawahara D, Nakashima T, Nishibuchi I, Kimura T, Murakami Y, Nagata Y, 2020/05/15, Without Invitation, Japanese
  17. Development of an original CT number calibration phantom for postal audit., Nakao M, Nakao M, Ozawa S, Miura H, Yamada K, Habara K, Hayata M, Kusaba H, Tsuji K, Kawahara D, Miki K, Nakashima T, Ochi Y, Tsuda S, Sido M, Morimoto Y, Kawakubo A, Nozaki H, Kubo Y, Toyota Y, Nagata Y, 2020/05/15, Without Invitation, Japanese
  18. Predicting BRAF mutation before Gamma Knife radiosurgery by a radiomics analysis, Kawahara D, Kawahara D, Jensen A, Nagata Y, Watanabe Y, 2020/05/08, Without Invitation, Japanese
  19. Development of prediction dose distribution with deep convolutional neural network for order-made treatment planning., Miki K, Miki K, Saito A, Kawahara D, Imano N, Takeuchi Y, Takahashi I, Nishibuchi I, Kimura T, Murakami Y, Nagata Y., 2019/09/12, Without Invitation, Japanese
  20. Impact of Using Volumetric Modulated Arc Therapy on Radiation Pneumonitis in Locally Advanced Non-Small Cell Lung Cancer, Imano N, Imano N, Kimura T, Kameoka T, Ochi M, Takeuchi Y, Takahashi I, Nishibuchi I, Murakami Y, Kawahara D, Miki K, Saito A, Nagata Y, 2019 World Conference on Lung Cancer, 2019/07/12, Without Invitation, English, published
  21. Optimization of irradiation interval for fractionated stereotactic radiosurgery by an improved cellular automata model, WU L, Nagata Y, Watanabe Y, AAPM 60th Annual Meeting & Exhibition, 2019/04/18, Without Invitation, English
  22. Image Synthesis in Multi-Contrast MRI with Deep Convolutional Generative Adversarial Networks, Kawahara D, Ozawa S, Saito S, Miki K, Kimura T, Murakami Y, Nagata Y, AAPM 61th Annual Meeting & Exhibition, 2019/04/18, Without Invitation, English
  23. Predicting the local control of brain metastatic tumor after Gamma Knife radiosurgery from the treatment planning image of tumor by machine learning-based radiomic, Kawahara D, Watanabe Y, Nagata Y, ASTRO 61th Annual Meeting & Exhibition, 2019/04/18, Without Invitation, English
  24. Precision linac torso localization of actual -VARIAN device -, Kawahara D, The 78th Annual Meeting of the JSRT Radiation Radiation therapy Committee, 2019/04/17, With Invitation, Japanese
  25. The robustness due to the differnce of fractionation dose for prostate radiotherapy, Tsubouchi K, Kawahara D, Nakashima T, Aita M, Okumura T, Masuda H, Naito K, Ohno Y, Sumida H, Nagata Y, The 32th Annual Meeting of Japan High-Precision External Beam Radiotherapy Group, 2019/04/16, Without Invitation, Japanese
  26. A margin for fractionation effects in stereotactic radiation therapy, Kawahara D, Ozawa S, Saito A, Tsubouchi K, Kimura T, Murakami Y, Nagata Y, The 78th Annual Meeting of the JSRT, 2019/04/16, Without Invitation, Japanese
  27. A margin for fractionation effects in stereotactic radiation therapy, Daisuke Kawahara, Shuichi Ozawa, Akito Saito, Kento Tsubouchi, Tomoki Kimura, Yuji Murakami, Yasushi Nagata, The 78th Annual Meeting of the Japan Radiological Society, 2019/04/14, Without Invitation, Japanese
  28. High-precision radiotherapy for SBRT -Varian Linac-, Daisuke Kawahara, The 78th Annual Meeting of the Japan Radiological Society, 2019/04/14, With Invitation, Japanese
  29. Title Influence of beam quality and absorbed dose by changing tube voltage and bowtie filter in DECT, Toyoda T, Kawahara D, Yokomachi K, Nishimaru E, Kiguchi M, Awai K, Korean Society of Radiological Science Conference 2019, 2019/04/01, Without Invitation, English
  30. Stereotactic Body Radiation Therapy, Kawahara D, HICARE/IAEA International Training Course on Advanced Radiation Therapy (IAEA-RCA Regional Training Course), 2019/02/21, With Invitation, English
  31. Intensity Modulated Radiation Therapy QA, Kawahara D, HICARE/IAEA International Training Course on Advanced Radiation Therapy (IAEA-RCA Regional Training Course), 2019/02/20, With Invitation, English
  32. Effect of the beam quality and exposure dose by tube voltage and bow-tie filter with Dual-energy CT, Toyoda T, Kawahara D, Yokomachi K, Nishimaru E, Kiguchi M, Awai K, The 3rd Hiroshima Medical Radiologists Association Research Congress, 2019/01/13, Without Invitation, Japanese
  33. Angular range optimizer for VMAT using geometry-oriented dose uncertainty model, Saito A, Kawahara D, Miki K, Murakami Y, Nakashima T, Okumura T, Nagata Y, Saito A, Kawahara D, Miki K, Murakami Y, Nakashima T, Okumura T, Nagata Y, The 116th Scientific Meetings of the Japan Society of Medical Physics, 2018/07/30, Without Invitation, English
  34. Contrast medium extraction method using raw-data based electron density with Dual energy-CT, Ozawa S, Tanaka S, Yokomachi K, Higaki T, Fujioka C, Saito A, Suzuki T, Tsuneda M, Nakashima T, Ohno Y, Sumida H, Nagata Y, Ozawa S, Tanaka S, Yokomachi K, Higaki T, Fujioka C, Saito A, Suzuki T, Tsuneda M, Nakashima T, Ohno Y, Sumida H, Nagata Y, European Society for Radiotherapy & Oncology Annual Mwwting 37, 2018/04/20, Without Invitation, English
  35. Relative biological effectiveness and relative dose-rate effect on Lipiodol based on the microdosimetric-kinetic model, Kawahara D, Ozawa S, Tanaka S, Yokomachi K, Higaki T, Fujioka C, Saito A, Suzuki T, Tsuneda M, Nakashima T, Ohno Y, Sumida H, Nagata Y, European Society for Radiotherapy & Oncology Annual Mwwting 37, 2018/04/20, Without Invitation, English
  36. Accuracy of the effective atomic numbers and theoretical monochromatic CT numbers for contrast medium with raw-data based dual-energy CT, Kawahara D, Ozawa S, Tanaka S, Yokomachi K, Higaki T, Fujioka C, Saito A, Suzuki T, Tsuneda M, Nakashima T, Ohno Y, Sumida H, Nagata Y, The 74th Annual Meeting of the JSRT, 2018/04/10, Without Invitation, English
  37. Structure and aperture-based robustness estimation for volumetric modulated arc therapy, Mori M, Saito A, Kawahara D, Miki K, Murakami Y, Nakashima T, Okumura T, Nagata Y, AAPM2018 60TH ANNUAL MEETING & EXHIBITION, 2018, Without Invitation, English
  38. Automatic Contrast Medium Extraction System Using monochromatic CT number, Kawahara D, Ozawa S, Tanaka S, Yokomachi K, Higaki T, Fujioka C, Saito A, Suzuki T, Tsuneda M, Nakashima T, Ohno Y, Sumida H, Nagata Y, 2018, Without Invitation, English
  39. Biological dose enhancement using Lipiodol in liver SBRT after TACE, Kawahara D, Ozawa S, Saito A, Nakashima T, Ohno Y, Sumida H, Nagata Y, AAPM 60th Annual Meeting & Exhibition, 2018, Without Invitation, English
  40. Toward the multicenter study of small radiation field dose verification using the heterogeneous phantom, Kawahara D, Tsuda S, Nakano H, Fujii Y, Ono K, Nakao M, Shiba E, Kudou T, Habara K, Kimura Y, The 14th Chugoku-Shikoku Forum for Radiological Technology, 2018, Without Invitation, Japanese
  41. Let's enjoy English!, Kawahara D, 2018, With Invitation, Japanese
  42. Energy spectrum and dose enhancement due to the depth of the Lipiodol position using flattened and unflattened beams, Kawahara D, Ozawa S, Tanaka S, Yokomachi K, Higaki T, Fujioka C, Saito A, Suzuki T, Tsuneda M, Nakashima T, Ohno Y, Sumida H, Nagata Y, The 18th Asia-Oceania Congress of Medical Physics, 2018, Without Invitation, English
  43. Effect of the beam quality and exposure dose by tube voltage and bow-tie filter with Dual-energy CT, Toyoda T, Kawahara D, Yokomachi K, Fujioka C, Nishimaru E, Kiguchi M, Sumida H, Awai K, The 14th Chugoku-Shikoku Forum for Radiological Technology, 2018, Without Invitation, Japanese
  44. Fundamental Study of Dose changes due to respiratory movement for SBRT VMAT using FFF, Masuda H, Kawahara D, Nakashima T, Aita M, Ochi Y, Hioki K, Ohno Y, Sumida H, Nagata Y, The 14th Chugoku-Shikoku Forum for Radiological Technology, 2018, Without Invitation, Japanese
  45. Biological dosimetric margin of prostate cancer in radiation therapy, Tsubouchi K, Kawahara D, Nakashima T, Aita M, Okumura T, Masuda H, Naito K, Ohno Y, Sumida H, Nagata Y, The 14th Chugoku-Shikoku Forum for Radiological Technology, 2018, Without Invitation, Japanese
  46. Iodine Extraction Method using Dual-energy CT, Kawahara D, Ozawa S, Saito A, Tanaka S, Nakashima T, Tsuneda M, Suzuki T, Ohno Y, Nagata Y, The 73th Annual Meeting of the JSRT, 2017, Without Invitation, Japanese
  47. Relative biological effectiveness study on Lipiodol based on the microdosimetric-kinetic model, Kawahara D, Ozawa S, Saito A, Tanaka S, Nakashima T, Tsuneda M, Suzuki T, Ohno Y, Nagata Y, 8th Japan-Korea Joint Meeting on Medical Physics, 2017, Without Invitation, English
  48. Kompeito-shot: Improving accuracy of verification system for three-dimension beam alignment, Tsuneda M, Nishio T, Saito A, Ozawa S, Kawahara D, Tanaka S, Suzuki S, Nagata Y, The 114th Scientific Meetings of the Japan Society of Medical Physics, 2017, Without Invitation, Japanese
  49. Contrast medium extraction system using direct-electron density- CT number method and dual CT number method with Dual energy-CT, Kawahara D, Ozawa S, Saito A, Tanaka S, Nakashima T, Tsuneda M, Suzuki T, Ohno Y, Nagata Y, The 3rd International Conference on Radiological Science and Technology (ICRST), 2017, Without Invitation, English
  50. How to confront for research, Kawahara D, Japanese Society of Radiological TechnologyThe 45th Autumn Scientific Congress, 2017, With Invitation, Japanese
  51. Biological dosimetric margin of prostate cancer in radiation therapy, Tsubouchi K, Kawahara D, Nakashima T, Aita M, Okumura T, Masuda H, Naito K, Ohno Y, Sumida H, Nagata Y, The 13th Chugoku-Shikoku Forum for Radiological Technology, 2017, Without Invitation, Japanese
  52. For research group founded, Kawahara D, The 136th Hiroshima Radiation Therapy Technical Meeting, 2017, Without Invitation, Japanese
  53. Evaluation of image quality and absorbed dose of TrueBeam CBCT, Kawahara D, Ozawa S, Saito A, Tanaka S, Nakashima T, Tsuneda M, Suzuki T, Ohno Y, Nagata Y, The 29th Annual Meeting of Japan High-Precision External Beam Radiotherapy Group, 2016, Without Invitation, Japanese
  54. Development of dose verification system using the Monte Carlo simulation, Hioki K, Nakashima T, Aita M, Ochi Y, Tsuda S, Kawahara D, Okumura T, Hioki K, Masuda H, Ohno Y, Nagata Y, The 12th Chugoku-Shikoku Forum for Radiological Technology, 2016, Without Invitation, Japanese
  55. Treatment planning, Kawahara D, 2016, With Invitation, Japanese
  56. Verification of mechanical and dosimetric accuracy for Head and Neck Volumetric Modulated Arc Therapy with jaw-tracking, Okumura T, Nakashima T, Ochi Y, Kawahara D, Masuda H, Hioki K, Ohno Y, Saito A, Nagata Y, American Society for Radiation Oncology (ASTRO) 58th Annual Meeting, 2016, Without Invitation, English
  57. Analysis of DEF and energy spectrum with PHITS on Lipiodol using the FF and FFF photon beams, Kawahara D, Ozawa S, Saito A, Tanaka S, Nakashima T, Tsuneda M, Suzuki T, Ohno Y, Nagata Y, The 112th Scientific Meetings of the Japan Society of Medical Physics, 2016, Without Invitation, English
  58. Comparison between mechanical parameters of jaw-tracking and fixed-jaw Volumetric Modulated Arc Therapy for head and neck cancer, Okumura T, Nakashima T, Ochi Y, Kawahara D, Masuda H, Hioki K, Ohno Y, Saito A, Nagata Y, The 29th Annual Meeting of the Japanese Society for Radiation Oncology, 2016, Without Invitation, Japanese
  59. Kompeito-Shot: Development of a Novel Verification System for 3D / 4D Beam Alignment, Masuda H, Kawahara D, Nakashima T, Aita M, Ochi Y, Okumura T, Hioki K, Ohno Y, Nagata Y, The 12th Chugoku-Shikoku Forum for Radiological Technology, 2016, Without Invitation, Japanese
  60. Availability of applying diaphragm matching with the breath-holding technique in SBRT for liver tumors, Kawahara D, Ozawa S, Saito A, Tanaka S, Nakashima T, Tsuneda M, Suzuki T, Ohno Y, Nagata Y, 22nd International Conference on Medical Physics, 16th Asia-Oceania Congress of Medical Physics, 2016, Without Invitation, English
  61. Development of novel quality assurance method of radiation dosimetry measurement based on failure mode and effects analysis, Nishio T, Ozawa S, Kawahara D, Suzuki T, Tuneda M, Suzuki T, Ohno Y, Nagata Y, Nishio T, Ozawa S, Kawahara D, Suzuki T, Tuneda M, Suzuki T, Ohno Y, Nagata Y, 22nd International Conference on Medical Physics, 16th Asia-Oceania Congress of Medical Physics, 2016, Without Invitation, English
  62. Evaluation of beam modeling for small field using flattening filter free beam, Kawahara D, Ohno Y, Nakashima T, Aita M, Ochi Y, Tsuda S, Okumura T, Masuda H, Hioki K, Ohno Y, Nagata Y, 15th International Congress of Radiation Research, 2015, Without Invitation, Japanese
  63. CBCT in the radiation treatment area, Kawahara D, 2015, Without Invitation, Japanese
  64. Lipiodol impact on the dose calculation accuracy for liver SBRT, Hioki K, Kawahara D, Nakashima T, Aita M, Ochi Y, Tsuda S, Okumura T, Hioki K, Masuda H, Ohno Y, Nagata Y, The 109th Japan Medical physics Annual Meeting, 2015, Without Invitation, Japanese
  65. Lipiodol Impact On Dose Distribution in Liver SBRT After TACE, Kawahara D, Ozawa S, Nakashima T, Aita M, Ochi Y, Kawai S, Okumura T, Masuda H, Ohno Y, Nagata Y, The 66th Chu-shikoku Radiation therapy social gathering, 2015, Without Invitation, Japanese
  66. The introduction of the preparation in pediatric radiation therapy, Fujiwara A, Hioki K, Masuda H, Okumura T, Kawahara D, Kawahara D, Aita M, Ohno Y, The 4th Japan Pediatric Multidisciplinary Study Group, 2015, Without Invitation, Japanese
  67. The study of the prescribing method for Planning Target Volume coverage in stereotactic body radiotherapy for stage I Non-small Cell Lung Cancer, Kawahara D, Ozawa S, Nakashima T, Aita M, Ochi Y, Kawai S, Okumura T, Masuda H, Ohno Y, Nagata Y, The 28th Annual Meeting of the Japanese Society for Radiation Oncology, 2015, Without Invitation, English
  68. Gantry rotation synchronous detector system effects of dose distribution reconstruction voxel size of VMAT patients QA by, Okumura T, Nakashima T, Aita M, Ochi Y, Kawai S, Kawahara D, Masuda H, Hioki K, Ohno Y, Nagata Y, 2015, Without Invitation, Japanese
  69. Beam characteristics comparison of image-guided radiation therapy kV-CBCT by Monte Carlo simulation, Hioki K, Nakashima T, Aita M, Ochi Y, Tsuda S, Kawahara D, Okumura T, Hioki K, Masuda H, Ohno Y, Nagata Y, The 11th Chugoku-Shikoku Forum for Radiological Technology, 2015, Without Invitation, Japanese
  70. Irradiation accuracy evaluation of VMAT with JawTracking function, Okumura T, Nakashima T, Aita M, Ochi Y, Tsuda S, Kawahara D, Masuda H, Hioki K, Ohno Y, Nagata Y, The 67th Chu-shikoku Radiation therapy social gathering, 2015, Without Invitation, Japanese
  71. The optimization of kV-CBCT projection number for the purpose of dose reduction in prostate IGRT, Masuda H, Kawahara D, Nakashima T, Aita M, Ochi Y, Okumura T, Hioki K, Ohno Y, Nagata Y, The 11th Chugoku-Shikoku Forum for Radiological Technology, 2015, Without Invitation, Japanese
  72. Analysis of the effect that the target position affects the dose distribution for prostate IMRT, Tsuda S, Ohno Y, Nakashima T, Aita M, Ochi Y, Kawahara D, Okumura T, Hirokazu M, The 107th Japan Medical physics Annual Meeting, 2014, Without Invitation, Japanese
  73. Evaluation of beam modeling for small field using flattening filter free beam, Kawahara D, Ozawa S, Nakashima T, Aita M, Ochi Y, Kawai S, Okumura T, Masuda H, Ohno Y, Nagata Y, The 107th Japan Medical physics Annual Meeting, 2014, Without Invitation, English
  74. Availability of Using Diaphragm Matching in Stereotactic Body Radiotherapy (SBRT) at the Time in Breath-Holding SBRT for Liver Cancer, Kawahara D, Ozawa S, Nakashima T, Aita M, Ochi Y, Kawai S, Okumura T, Masuda H, Ohno Y, Nagata Y, AAPM 56th Annual Meeting & Exhibition, 2014, Without Invitation, English
  75. Usability of Using Diaphragm Matching in Stereotactic Body Radiotherapy (SBRT) in Breath-Holding SBRT for Liver Cancer, Kawahara D, Ozawa S, Nakashima T, Aita M, Ochi Y, Kawai S, Okumura T, Masuda H, Ohno Y, Nagata Y, 2014Korea-Japan Joint Meeting, 2014, Without Invitation, Japanese
  76. Fundamental Study of Dose verification by gantry rotation synchronous two-dimensional ionization chamber detector system, Okumura T, Nakashima T, Aita M, Ochi Y, Kawai S, Kawahara D, Masuda H, Hioki K, Ohno Y, Nagata Y, The 10th Chugoku-Shikoku Forum for Radiological Technology, 2014, Without Invitation, Japanese
  77. Effects of hepatic artery chemical embolization Lipiodol is on the dose distribution calculation, Masuda H, Nakashima T, Aita M, Ochi Y, Tsuda S, Kawahara D, Okumura T, Hioki K, Ohno Y, Nagata Y, The 10th Chugoku-Shikoku Forum for Radiological Technology, 2014, Without Invitation, Japanese
  78. Lipiodol Impact On Dose Distribution in Liver SBRT After TACE, Hioki K, Nakashima T, Aita M, Ochi Y, Tsuda S, Kawahara D, Okumura T, Hioki K, Masuda H, Ohno Y, Nagata Y, The 10th Chugoku-Shikoku Forum for Radiological Technology, 2014, Without Invitation, Japanese
  79. Lipiodol Impact On Dose Distribution in Liver SBRT After TACE, Kawahara D, Ohno Y, Nakashima T, Aita M, Ochi Y, Tsuda S, Okumura T, Masuda H, Hioki K, Ohno Y, Nagata Y, AAPM 57th Annual Meeting & Exhibition, 2014, Without Invitation, English
  80. CT - electron density conversion table, Ohno Y, Nakashima T, Aita M, Kawai S, Kawahara D, Okumura T, Masuda H, The 117th Hiroshima Radiation Therapy Technical Meeting, 2013, Without Invitation, Japanese
  81. Evaluation of the treatment plan changes due to the change of the shape in VMAT for head and neck cancer, Okumura T, Ohno Y, Nakashima T, Aita M, Ochi Y, Kawai S, Kawahara D, Masuda H, The 9th Chugoku-Shikoku Forum for Radiological Technology, 2013, Without Invitation, Japanese
  82. Evaluation of the position error due to differences of the presciption dose in the liver SBRT, Okumura T, Ohno Y, Nakashima T, Aita M, Ochi Y, Kawai S, Kawahara D, Masuda H, The 26th Annual Meeting of the Japanese Society for Radiation Oncology, 2013, Without Invitation, Japanese
  83. vs parallel-plate ionization chamber, Tsuda S, Ohno Y, Nakashima T, Aita M, Ochi Y, Kawahara D, Okumura T, Hirokazu M, The 121th Hiroshima Radiation Therapy Technical Meeting, 2013, Without Invitation, Japanese
  84. From introduction to clinical start for Varian TrueBeam, Tsuda S, Ohno Y, Nakashima T, Aita M, Ochi Y, Kawahara D, Okumura T, Hirokazu M, The 117th Hiroshima Radiation Therapy Technical Meeting, 2013, Without Invitation, Japanese
  85. Availability of commercially image quality analysis software with Cone Beam CT, Kawahara D, Ohno Y, Nakashima T, Aita M, Ochi Y, Kawai S, Okumura T, Masuda H, Nagata Y, The 9th Chugoku-Shikoku Forum for Radiological Technology, 2013, Without Invitation, Japanese
  86. Impact on Collimator Angle Setting Optimization in Volumetric Modulated Arc Therapy (VMAT), Nakashima T, Kawai S, Ochin Y, Kawahara D, Okumura T, Aita M, Nagata Y, Japanese Society of Radiological TechnologyThe 68th Annual Meeting, 2012, Without Invitation, Japanese
  87. Comparison of ArcCHECK measurement results with VMAT and patient dose prediction results with 3DVH, Nakashima T, Kawai S, Ohno Y, Aita M, Ochin Y, Kawahara D, Masuda H, Okumura T, The 25th Annual Meeting of the Japanese Society for Radiation Oncology, 2012, Without Invitation, Japanese
  88. Examination registration accuracy for segmentation using virtual phantom with commercial registration software, Kawahara D, Ohno Y, Nakashima T, Aita M, Ochi Y, Kawai S, Okumura T, Masuda H, Nagata Y, The 25th Annual Meeting of the Japanese Society for Radiation Oncology, 2012, Without Invitation, Japanese
  89. Analysis of dose distribution change by rectal gas in prostate cancer IMRT, Kawai S, Ohno Y, Nakashima T, Aita M, Ochi Y, Kawahara D, Okumura T, Hirokazu M, The 8th Chugoku-Shikoku Forum for Radiological Technology, 2012, Without Invitation, Japanese
  90. Performance evaluation of the new two-dimensional ion chamber array, Kawai S, Ohno Y, Nakashima T, Aita M, Ochi Y, Kawahara D, Okumura T, Hirokazu M, Japanese Society of Radiological TechnologyThe 68th Annual Meeting, 2012, Without Invitation, Japanese
  91. Liver anatomy and function, Okumura T, Ohno Y, Nakashima T, Aita M, Ochi Y, Kawai S, Kawahara D, Masuda H, The 114th Hiroshima Radiation Therapy Technical Meeting, 2012, Without Invitation, Japanese
  92. Issues of regional cooperation and human resource development among radiation therapy engineers (Current status of cancer professional graduates) in Chu-Chikoku, Okumura T, Ohno Y, Nakashima T, Aita M, Ochi Y, Kawai S, Kawahara D, Masuda H, The 11th Okayama Intensive Course Regional Collaboration Seminar, 2012, Without Invitation, Japanese
  93. Usefulness of Deformable Image Registration Method of re-contour at the input time of treatment planning change, Okumura T, Ohno Y, Nakashima T, Aita M, Ochi Y, Kawai S, Kawahara D, Masuda H, The 25th Annual Meeting of the Japanese Society for Radiation Oncology, 2012, Without Invitation, Japanese
  94. Examination registration accuracy for segmentation using virtual phantom with commercial registration software, Kawahara D, Ohno Y, Nakashima T, Aita M, Ochi Y, Kawai S, Okumura T, Masuda H, Nagata Y, The 25th Annual Meeting of the Japanese Society for Radiation Oncology, 2012, Without Invitation, Japanese
  95. Examination registration accuracy for segmentation using virtual phantom with commercial registration software, Kawahara D, Ohno Y, Nakashima T, Aita M, Ochi Y, Kawai S, Okumura T, Masuda H, Nagata Y, The 8th Chugoku-Shikoku Forum for Radiological Technology, 2012, Without Invitation, Japanese
  96. Activities at the Fukushima Nuclear Power Plant, Kawahara D, Ohno Y, Nakashima T, Aita M, Ochi Y, Kawai S, Nagata Y, The 110th Hiroshima Radiation Therapy Technical Meeting, 2011, Without Invitation, Japanese, Hiroshima Radiation Therapy Study Group
  97. Usabillity of collation method based on diaphragm surface in liver stereotactic radiotherapy under, Kawahara D, Ohno Y, Nakashima T, Aita M, Ochi Y, Kawai S,Okumura T, Nagata Y, Japanese Society of Radiological TechnologyThe 39th Autumn Scientific Congress, 2011, Without Invitation, Japanese, JSRT
  98. Examination of absorbed dose near the center with Half Fan scan of kVCBCT, Kawahara D, Ohno Y, Nakashima T, Aita M, Ochi Y, Kawai S, Okumura T, Nagata Y, The 7th Chugoku-Shikoku Forum for Radiological Technology, 2011, Without Invitation, Japanese
  99. Usabillity of collation method based on diaphragm surface in liver stereotactic radiotherapy under respiratory arrest, Kawahara D, Ohno Y, Nakashima T, Aita M, Ochi Y, Kawai S, Okumura T, Nagata Y, The 7th Radiation Therapy Research Congress in Hiroshima, 2011, Without Invitation, Japanese
  100. From discovery of hepatocellular carcinoma to radiation therapy, Kawahara D, Ohno Y, Nakashima T, Aita M, Ochi Y, Kawai S, Okumura T, Nagata Y, The 114th Hiroshima Radiation Therapy Technical Meeting, 2011, Without Invitation, Japanese
  101. Improvement of respiratory synchronization signal waveform using chest-abdominal wall motion signal amplifier, Ochi Y, Ohno Y, Nakashima T, Aita M, Kawai S, Kawahara D, Nagata Y, The 23th Annual Meeting of the Japanese Society for Radiation Oncology, 2010, Without Invitation, Japanese
  102. Study on online / offline verification for setup errors, Kawai S, Ohno Y, Nakashima T, Aita M, Ochi Y, Kawahara D, Nagata Y, The 6th Chugoku-Shikoku Forum for Radiological Technology, 2010, Without Invitation, Japanese
  103. Fetal exposure in radiation therapy for pregnant women, Kawahara D, Ohno Y, Nakashima T, Aita M, Ochi Y, Kawai S, Nagata Y, The 6th Chugoku-Shikoku Forum for Radiological Technology, 2010, Without Invitation, Japanese
  104. Exposure dose of CBCT, Kawahara D, Ohno Y, Nakashima T, Aita M, Ochi Y, Kawai S, Nagata Y, The 109th Hiroshima Radiation Therapy Technical Meeting, 2010, Without Invitation, Japanese, Hiroshima Radiation Therapy Study Group
  105. A study of indirect apoptotic death by vascular damage on cell survival after single-fraction radiotherapy by using an improved cellular automata model., Kawahara D, Kawahara D, L WU, Nagata Y, Watanabe Y, Without Invitation, English
  106. Predictive gamma passing rate of 3D detector array-based VMAT QA for prostate cancer using deep learning, Takaaki Matsuura, Daisuke Kawahara, Akito Saito, Hideharu Miura, Kiyoshi Yamada, Shuichi Ozawa, Yasushi Nagata, 2020 Joint AAPM/COMP Meeting, Without Invitation, English
  107. vs Electron beam - ver 2 -, Kawai S, Ohno Y, Nakashima T, Aita M, Ochi Y, Kawahara D, Okumura T, Hirokazu M, Without Invitation, Japanese
  108. vs scaling correction coefficient, Tsuda S, Ohno Y, Nakashima T, Aita M, Ochi Y, Kawahara D, Okumura T, Hirokazu M, The 118th Hiroshima Radiation Therapy Technical Meeting, Without Invitation, Japanese
  109. Evaluation of beam modeling for small field using flattening filter free beam, Kawahara D, Ohno Y, Nakashima T, Aita M, Ochi Y, Kawai S, Okumura T, Masuda H, Nagata Y, Japanese Society of Radiological TechnologyThe 41th Autumn Scientific Congress, Without Invitation, Japanese
  110. Energy spectral study on Lipiodol after trans-arterial chemoembolization using the flattened and unflattenedphoton beams, Kawahara D, Ozawa S, Saito A, Tanaka S, Nakashima T, Tsuneda M, Suzuki T, Ohno Y, Nagata Y, Without Invitation, English
  111. Ideally calculated three-dimensional dose distribution for intensity modulated radiation therapy using geometric information, Hioki K, Nakashima T, Miki K, Masuda H, Okumura, T, Kawahara D, Ochi Y, Aita M, Ohno Y, Nagata Y, Japan- Korea Meeting on Medical Physics, Without Invitation, English

Awards

  1. 2015/05/25, 15th International Congress of Radiation Research, ICRR, Evaluation of beam modeling for small field using flattening filter free beam
  2. 2015/05/25, Young Investigation Travel Award (ICRR2015), ICRR
  3. 2016/11, Hiroshima University President Award, Hiroshima University
  4. 2018/04/16, 2017 Japan Society of Radiological Technology Awards: Research Encouragement Award and technology Rookie (therapeutic areas), JSRT

External Funds

Acceptance Results of Competitive Funds

  1. KAKENHI, 2022/04/01, 2025/03/31
  2. Cloud Funding, 2022/04/01, 2027/03/30
  3. Varian Research Grant, Biological adaptive radiotherapy (BART) system for treatment interruption for short time or suspension for few days, 2022/06/01, 2024/03/30
  4. 2021 Research scholarship, 2021/04/01, 2023/03/30
  5. 2020/04/01, 2021/03/30
  6. Varian Research Grant, Predicting treatment response for esophagus cancer after radiosurgery from the radiomics analysis, pathological, and blood data by machine learning, 2020/04/01, 2022/03/31
  7. 2020/04/01, 2024/03/31
  8. 2020/04/01, 2023/03/31
  9. 2020/04/01, 2023/03/31
  10. Prediction model for local control after SRS wtth artificial intelligence
  11. General assignment B, 2015, 2015
  12. 2015 Research Grant, Usability of the Lipiodol for SBRT after TACE, 2015, 2015
  13. General assignment B, Iodine extraction system and create the dose calculation system, 2016, 2016
  14. 2016 research grants
  15. 12/5000 Scientific Research Fund (Young Research B), contrast medium extraction system and create the dose calculation system, 2015, 2018
  16. ICMP2016 Research Achievement Subsidy, 2016, 2016
  17. General assignment B, 2017, 2017
  18. 2018 foreign short-term study grants, 2018, 2018
  19. Research grant, 2018, 2018
  20. KAKENHI(Grant-in-Aid for Early-Career Scientists), 2020, 2023

Social Activities

History as Committee Members

  1. Hiroshima Prefectural Radiation Therapy Technology Study Group Multicenter Research Group, 2019/04, 2020/03
  2. Member of AI Subcommittee (WG), Future Planning Committee, Japan Society for Radiation Oncology (JASTRO), 2021/04, 2022/03
  3. Board of Education, Japan Medical Physics Certification Organization (JBMP), 2021/04/01, 2022/03/30
  4. JCOG Medical Physics Working Group Member, 2021
  5. National University Engineers Academic Summit Committee, 2020/04, 2021/03
  6. National University Engineers Academic Summit Committee, 2019
  7. JCOG Medical Physics Working Group Member, 2020/04, 2021/03
  8. Radiology Medical Physics Association Education Course Certification Committee, 2020/04, 2021/03
  9. National University Engineers Academic Summit Committee, 2018

History as Peer Reviews of Academic Papers

  1. 2021, Radiation and Oncology, Editor, 1
  2. 2021, International Journal of Clinical Oncology, Editor, 1
  3. 2021, Frontier Oncology, Editor, 1
  4. 2021, Radiological Physics and Technology, Editor, 2
  5. 2020, Radiological Physics and Technology, Editor, Reviewer, 2
  6. 2017, Radiological Physics and Technology, Editor, Reviewer, 2
  7. 2018, Radiological Physics and Technology, Editor, Reviewer, 2