Contact

All Stories

  1. Tumor control probability analysis in carbon-ion radiotherapy for prostate cancer considering the oxygen effect

    Article • Physica Medica, March 2026, Elsevier

    Dr. Masashi Yagi

  2. Quantifying biological effects of spatially heterogeneous carbon ion dose distributions using EUD

    Article • Biomedical Physics & Engineering Express, January 2026, Institute of Physics Publishing

    Dr. Masashi Yagi

  3. Pioneering MCF MKM RBE-weighted dose calculation for carbon ion radiotherapy: development of a pencil beam algorithm and validation against Monte Carlo simulation on clinical CT data

    Article • Physics in Medicine and Biology, August 2025, Institute of Physics Publishing

    Dr. Masashi Yagi

  4. Nuclear interaction correction based on dual-energy computed tomography in carbon-ion radiotherapy

    Article • Physics in Medicine and Biology, February 2025, Institute of Physics Publishing

    Dr. Masashi Yagi

  5. Quantitative assessment of delivered dose in carbon ion spatially fractionated radiotherapy (C-SFRT) and biological response to C-SFRT

    Article • Biomedical Physics & Engineering Express, January 2025, Institute of Physics Publishing

    Dr. Masashi Yagi

  6. Quantitative Assessment of Delivered Dose in Carbon Ion Spatially Fractionated Radiotherapy (C-SFRT) and Biological Response to C-SFRT

    Article • Biomedical Physics & Engineering Express, January 2025, Institute of Physics Publishing

    Dr. Masashi Yagi

  7. Dosimetric impact of stopping power for human bone porosity with dual-energy computed tomography in scanned carbon-ion therapy treatment planning

    Article • Scientific Reports, July 2024, Springer Science + Business Media

    Dr. Masashi Yagi

  8. Dosimetric consequences of flap dose due to rapid beam off control for a high intensity carbon ion radiation therapy synchrotron

    Article • Medical Physics, July 2024, Wiley

    Dr. Masashi Yagi

  9. Technical Note: Improving the workflow in a carbon ion therapy center with custom software for enhanced patient care

    Article • Technical Innovations & Patient Support in Radiation Oncology, June 2024, Elsevier

    Dr. Masashi Yagi

  10. Development and characterization of a dedicated dose monitor for ultrahigh-dose-rate scanned carbon-ion beams

    Article • Scientific Reports, May 2024, Springer Science + Business Media

    Dr. Masashi Yagi

  11. Carbon ion therapy for laterally located tumors require multiple fixed ports or a rotating gantry

    Article • Medical Dosimetry, May 2024, Elsevier

    Dr. Masashi Yagi

  12. Beam delivery characteristics of the Hitachi carbon ion scanning system at Osaka Heavy Ion Medical Accelerator in Kansai (HIMAK)

    Article • Medical Physics, October 2023, Wiley

    Dr. Masashi Yagi

  13. Validation of robust radiobiological optimization algorithms based on the mixed beam model for intensity-modulated carbon-ion therapy

    Article • PLOS One, July 2023, PLOS

    Dr. Masashi Yagi

  14. Treatment planning of carbon ion radiotherapy for prostate cancer based on cellular experiments with PC3 human prostate cancer cells

    Article • Physica Medica, March 2023, Elsevier

    Dr. Masashi Yagi

  15. Ultra-high Dose-rate Carbon-ion Scanning Beam With a Compact Medical Synchrotron Contributing to Further Development of FLASH Irradiation

    Article • Anticancer Research, January 2023, International Institute of Anticancer Research

    Dr. Masashi Yagi

  16. Clinical dose assessment for scanned carbon-ion radiotherapy using linear energy transfer measurements and Monte Carlo simulations

    Article • Physics in Medicine and Biology, December 2022, Institute of Physics Publishing

    Dr. Masashi Yagi

  17. Commissioning a newly developed treatment planning system, VQA Plan, for fast-raster scanning of carbon-ion beams

    Article • PLOS One, May 2022, PLOS

    Dr. Masashi Yagi

  18. A Consistent Protocol Reveals a Large Heterogeneity in the Biological Effectiveness of Proton and Carbon-Ion Beams for Various Sarcoma and Normal-Tissue-Derived Cell Lines

    Article • Cancers, April 2022, MDPI AG

    Dr. Masashi Yagi

  19. Commissioning of carbon‐ion radiotherapy for moving targets at the Osaka Heavy‐Ion Therapy Center

    Article • Medical Physics, December 2021, Wiley

    Dr. Masashi Yagi

  20. Carbon ion radiotherapy using fiducial markers for prostate cancer in Osaka HIMAK: Treatment planning

    Article • Journal of Applied Clinical Medical Physics, August 2021, Wiley

    Dr. Masashi Yagi

  21. Physical and biological beam modeling for carbon beam scanning at Osaka Heavy Ion Therapy Center

    Article • Journal of Applied Clinical Medical Physics, May 2021, Wiley

    Dr. Masashi Yagi

  22. Metal artifact reduction using iterative CBCT reconstruction algorithm for head and neck radiation therapy: A phantom and clinical study

    Article • European Journal of Radiology, November 2020, Elsevier

    Dr. Masashi Yagi

  23. The Promising Treatment Schedule of Concurrent Chemoradiotherapy for Stage III Non-small Cell Lung Cancer: Alternative for Conventional Fractionation Using Mathematical Analysis

    Article • Anticancer Research, July 2020, International Institute of Anticancer Research

    Dr. Masashi Yagi

  24. Feasibility of synthetic computed tomography generated with an adversarial network for multi-sequence magnetic resonance-based brain radiotherapy

    Article • Journal of Radiation Research, December 2019, Oxford University Press (OUP)

    Dr. Masashi Yagi

  25. Deep learning‐based virtual noncontrast CT for volumetric modulated arc therapy planning: Comparison with a dual‐energy CT‐based approach

    Article • Medical Physics, December 2019, Wiley

    Dr. Masashi Yagi

  26. Estimation of electron density, effective atomic number and stopping power ratio using dual-layer computed tomography for radiotherapy treatment planning

    Article • Physica Medica, December 2018, Elsevier

    Dr. Masashi Yagi

  27. Treatment planning based on water density image generated using dual‐energy computed tomography for pancreatic cancer with contrast‐enhancing agent: Phantom and clinical study

    Article • Medical Physics, October 2018, Wiley

    Dr. Masashi Yagi

  28. The effect of beam shape on physical parameters of head and neck simultaneous-integrated boost intensity-modulated radiation therapy

    Article • Reports of Practical Oncology & Radiotherapy, September 2018, VM Media SP. zo.o VM Group SK

    Dr. Masashi Yagi

  29. Radiobiological effects of flattening filter–free photon beams on A549 non-small-cell lung cancer cells

    Article • Journal of Radiation Research, May 2018, Oxford University Press (OUP)

    Dr. Masashi Yagi

  30. Impact of time-related factors on biologically accurate radiotherapy treatment planning

    Article • Radiation Oncology, February 2018, Springer Science + Business Media

    Dr. Masashi Yagi

  31. The Simulation of the Tumor Control and the Normal Tissue Complications in Accelerated Radiation Therapy for Stage III Non–small Cell Lung Cancer

    Article • International Journal of Radiation Oncology*Biology*Physics, October 2017, Elsevier

    Dr. Masashi Yagi

  32. Early assessment of dosimetric and biological differences of total marrow irradiation versus total body irradiation in rodents

    Article • Radiotherapy and Oncology, September 2017, Elsevier

    Dr. Masashi Yagi

  33. Use of dual-energy computed tomography to measure skeletal-wide marrow composition and cancellous bone mineral density

    Article • Journal of Bone and Mineral Metabolism, December 2016, Springer Science + Business Media

    Dr. Masashi Yagi

  34. Multi-institutional Validation Study of Commercially Available Deformable Image Registration Software for Thoracic Images

    Article • International Journal of Radiation Oncology*Biology*Physics, October 2016, Elsevier

    Dr. Masashi Yagi

  35. Central Nervous System Injury – A Newly Observed Bystander Effect of Radiation

    Article • PLOS One, September 2016, PLOS

    Dr. Masashi Yagi

  36. A concept for classification of optimal breathing pattern for use in radiotherapy tracking, based on respiratory tumor kinematics and minimum jerk analysis

    Article • Medical Physics, June 2016, Wiley

    Dr. Masashi Yagi

  37. TU‐AB‐202‐01: Multi‐Institutional Validation Study of Commercially Available Deformable Image Registration Software for Thoracic Images

    Article • Medical Physics, June 2016, Wiley

    Dr. Masashi Yagi

  38. Reference respiratory waveforms by minimum jerk model analysis

    Article • Medical Physics, August 2015, Wiley

    Dr. Masashi Yagi

  39. SU-E-T-260: Development of a System to Verify for Connection Consistency in a Brachytherapy

    Article • Medical Physics, June 2015, Wiley

    Dr. Masashi Yagi

  40. SU‐E‐T‐767: Treatment Planning Study of Prostate Cancer by CyberKnife with Respect to the Urethral Dose

    Article • Medical Physics, June 2015, Wiley

    Dr. Masashi Yagi

  41. A phase I feasibility study of multi-modality imaging assessing rapid expansion of marrow fat and decreased bone mineral density in cancer patients

    Article • Bone, April 2015, Elsevier

    Dr. Masashi Yagi

  42. Incorporation of gantry angle correction for 3D dose prediction in intensity-modulated radiation therapy

    Article • Journal of Radiation Research, March 2015, Oxford University Press (OUP)

    Dr. Masashi Yagi

  43. Validation of marrow fat assessment using noninvasive imaging with histologic examination of human bone samples

    Article • Bone, March 2015, Elsevier

    Dr. Masashi Yagi

  44. Longitudinal FDG-PET Revealed Regional Functional Heterogeneity of Bone Marrow, Site-Dependent Response to Treatment and Correlation with Hematological Parameters

    Article • Journal of Cancer, January 2015, Ivyspring International Publisher

    Dr. Masashi Yagi

  45. High-throughput multiple-mouse imaging with micro-PET/CT for whole-skeleton assessment

    Article • Physica Medica, November 2014, Elsevier

    Dr. Masashi Yagi

  46. A Dual-Radioisotope Hybrid Whole-Body Micro-Positron Emission Tomography/Computed Tomography System Reveals Functional Heterogeneity and Early Local and Systemic Changes Following Targeted Radiation to the Murine Caudal Skeleton

    Article • Calcified Tissue International, February 2014, Springer Science + Business Media

    Dr. Masashi Yagi

  47. Experimental study for the production cross sections of positron emitters induced from 12C and 16O nuclei by low-energy proton beams

    Article • Radiation Measurements, December 2013, Elsevier

    Dr. Masashi Yagi

  48. Estimation of Rectal Dose Using Daily Megavoltage Cone-Beam Computed Tomography and Deformable Image Registration

    Article • International Journal of Radiation Oncology*Biology*Physics, November 2013, Elsevier

    Dr. Masashi Yagi

  49. Gemstone spectral imaging: determination of CT to ED conversion curves for radiotherapy treatment planning

    Article • Journal of Applied Clinical Medical Physics, September 2013, Wiley

    Dr. Masashi Yagi

  50. SU-C-144-02: Early Time Effect of Local Radiation On Entire Normal Bone Marrow

    Article • Medical Physics, June 2013, Wiley

    Dr. Masashi Yagi

  51. WE-E-108-08: Dosimetric and Biological Benchmarking of a Murine Total Marrow Irradiation Platform

    Article • Medical Physics, June 2013, Wiley

    Dr. Masashi Yagi

  52. Feasibility and accuracy of relative electron density determined by virtual monochromatic CT value subtraction at two different energies using the gemstone spectral imaging

    Article • Radiation Oncology, April 2013, Springer Science + Business Media

    Dr. Masashi Yagi

  53. SU-E-T-294: Maximizing the Availability of Positron Emitting Nuclei for Proton Therapy Verification Using Different Beam Irradiation Sequences

    Article • Medical Physics, June 2012, Wiley

    Dr. Masashi Yagi

  54. SU-E-T-368: Semi-Independent Plan Verification Method for High-Dose-Rate Intracavitary Brachytherapy Using Benchmark Plan

    Article • Medical Physics, June 2011, Wiley

    Dr. Masashi Yagi

  55. Concept of a Clinical Linear Accelerator Optimized for IMRT with Monte Carlo Simulation

    Article • International Journal of Radiation Oncology*Biology*Physics, September 2008, Elsevier

    Dr. Masashi Yagi