【General Session (Oral)】
September 20 (Fri.)

Main

Young Investigator Award A		
8:30–10:00
Chairperson: Weishan Chang(Tokyo Metropolitan University),
Hak Soo Kim (National Cancer Center)
O-001. Development of an automated measurement system for photoneutrons in a clinical Linac using
the CsI self-activation method
Kyushu University
Hikaru Moriguchi
O-002. Development of a Remote Operating Neutron Spectrometer for Boron Neutron Capture Therapy
Irradiation Field
Kyoto University Jakkrit Prateepkaew
O-003. Clinical Applicability Evaluation of Newly Designed Eye Shield and Flexible Dummyin Electron Therapy: A Monte Carlo Study
Department of Radiation Convergence Engineering, Yonsei University
Saerom Sung
O-004. Therapeutic high-energy Radiation Characteristics Study for Veriﬁcation of Flat-panel Detector
without conventional Layer
Department of Radiation Oncology, Yonsei Cancer Center,
Heavy Ion Therapy Research Institute,
Yonsei University College of Medicine, Seoul, Korea, Republic of (South)
Dongho Lee
O-005. Feasibility study of markerless real-time tumor-tracking radiotherapy for liver tumors using
diaphragm as a surrogate.
Graduate school of engineering, Hokkaido University
Hidehiro Kino
O-006. Predictive Model for VMAT Plan Deliverability by Visualizing Planning Information
Yonsei University College of Medicine
Hyeonjeong Cho
O-007. Feasibility of target-visibility-enhanced images for markerless tumor tracking: A phantom study
University of Tsukuba
Minori Takaoka
O-008. Dosimetric evaluation of dynamic tracking irradiation by real-time adaptation of spot positionand energy in proton therapy
Graduate School of Biomedical Science and Engineering, Hokkaido University
Takahisa Osanai
O-009. Models with Integrated Multi-Source Data for Predicting Atrial Fibrillation in Non-Small Cell Lung
Cancer with External Evaluation
Yonsei University College of Medicine
Sang Kyun Yoo

September 20 (Fri.)

Sub 1 (room234)

Young Investigator Award B		
8:30–10:00
Chairperson: Noriyuki Kadoya
(Tohoku University),Yeon Soo Yeom (Yonsei University)
O-010. Unsupervised CT MAR method using Poisson blending method with diﬀusion priorin sinogram domain
Korea Advanced Institute of Science and Technology
Subong Hyun
O-011. Metal artifact reduction with prior image synthesis via latent diﬀusion model
Korea Advanced Institute of Science and Technology
Da-in Choi

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医学物理

Vol. 44 Supplement No. 3 September (2024)

第 44 巻

Sup.3

O-012. MRI-based Radiomics Nomogram for Progression-Free Survival in Cervical Cancer Patients
Treated With Concurrent Chemoradiotherapy
Department of Radiation Oncology, Tohoku University
Wynn WingYi LEE
O-013. Clinically Practical 3D Volume Generation Model from a Single-View X-ray Cone-Beam Projection:
A Feasibility Study
Department of Nuclear Engineering, Hanyang University
Euidam Kim
O-014. Optimizing Data Augmentation for Medical Image Classiﬁcation
Graduate School of Medical Care and Technology, Teikyo University
Kazuki Wakao
O-015. Accuracy Evaluation of AI auto segmentation models U-Net and UNETR for Abdominal Organs inResource-Constrained Settings
Tohoku University
Zhoujie Zhang
O-016. Development of CT Dose Assessment System Based on Mesh-type Reference Computational
Phantoms (MRCPs)
Yonsei University
Yumi Lee
O-017. In Vivo Imaging Experiment of 95mTc Using Electron Tracking Compton Camera (ETCC)
Tokai University
Koya YoshidaO-018. Predictive dose for radiation-induced lymphopenia in hepatocellular carcinoma
after Y-90 radioembolization
Department of Biomedical Engineering and Department of
Biomedicine & Health Sciences, College of Medicine,
The Catholic University of Korea, Seoul, South Korea
Sangseok Ha

September 20 (Fri.)

Sub 2 (room224)

Radiation Measurement
Chairperson: Hiroaki Matsubara(Fujita Health University),
Ryosuke Kohno(International University of Health and Welfare)O-019. Directional dependence of diagnostic radiochromic ﬁlm
Kawasaki University of Medical Welfare Shinnosuke Nishihara
O-020. Changes in the scanning orientation eﬀect of Gafchromic ﬁlm (EBT3) irradiated with ultra-high-doserate proton beams
Research Institute for Radiation Biology and Medicine, Hiroshima University
Hiroshi Yasuda
O-021. Optical path simulation for in-air readout optical computed tomography
Teikyo University Akito S Koganezawa
O-022. Three-dimensional dosimetry using PVA-I radiochromic gel dosimeter for VMAT of multiple brain
metastases
Hiroshima Heiwa Clinic
Kaoru Ono
O-023. Development of a dose per pulse dosimeter using a silicon photodiode at a 10MV ﬂattening ﬁlter-freemode in radiotherapy
Iwate Medical University School of Medicine
Satoshi Yamaguchi
O-024. Comparison of small-ﬁeld characteristics of plastic scintillator and silicon diode detector in photon
beam dosimetry
Tokyo Metropolitan Tama Medical Center
Yu Arai
O-025. Validity of Multiple Depth Cherenkov Light Ratio Correction of Plastic Scintillation Detector
for High-Energy Electron Beams
Department of Radiology, Tokyo Metropolitan Bokutoh Hospital
Takuto Takizawa
10:15–11:45

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O-026. Use of wire-grid polarization camera and Monte Carlo simulation for Cherenkov emission imaging
in dosimetry of high-energy X-rays
Kyushu University
Aoto Moriguchi
O-027. Patient-speciﬁc dosimetry in whole-body region combining measurement and simulation in clinical
BNCT
Kansai BNCT Medical Center, Osaka Medical and Pharmaceutical University
Ryo Kakino

September 20 (Fri.)

Sub 1 (room234)

Particle Therapy 1
		
13:15–14:05
Chairperson: Taku Inaniwa (QST)
O-028. Experimental assessment of the accuracy of a protoacoustic wave simulation using an opticalhydrophone
Hokkaido University
Taichi Murakami
O-029. Investigation of probe head designs for protoacoustic measurement using an optical hydrophone
Hokkaido University
Sena Hidani
O-030. An Initial Study on the Hybrid Planning of FLASH and IMPT for Abdominal Tumors
Hokkaido University
Sho Inoue
O-031. Development of safety margin compensating range uncertainty for MRI-guided proton therapy
Hokkaido University
Masaki Konno
O-032. Application of deep learning-based motion prediction for imaging dose reduction
in real-time-image gated proton therapy
Hokkaido University
Naoki Miyamoto

September 20 (Fri.)

Sub 2 (room224)

Joint Session 1(Therapy)
		
13:15–14:15
Chairperson: Hideyuki Mizuno (QST),
Chul Hee Min (Yonsei University)
O-033. Evaluation of the Dosimetric Impact of Thickness and Air Bubbles in Bolus:
3D Printed versus Commercial Bolus in Radiotherapy
Department of Radiotherapy Keimyung University Hospital
Yun Sung Shin
O-034. Assessment of positively charged gold nanoparticles as radiation sensitizers in a clonogenic assay
using HeLa cells
Nagoya University Graduate School of Medicine
Zedong Cheng
O-035. Performance test of the multigap resistive plate chamber for targeting the carbon ionʼstime-of-ﬂight detector
Yonsei University College of Medicine
Nahye Kwon
O-036. The inﬂuence of institutional experience on dosimetric outcomes in HyperArc stereotactic radiotherapy
for brain metastasis
Osaka International Cancer InstituteSayaka Kihara
O-037. Dosimetric comparison of AAA and AXB regarding location and size dependence
in the treatment of NSCLC
Yeungnam University, Department of Physics
BongHyo Lee

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Vol. 44 Supplement No. 3 September (2024)

第 44 巻

Sup.3

O-038. Evaluation of eﬀectiveness in hybrid VMAT using partial arc irradiation in the treatment of non-small
cell lung cancer
Department of Radiological Technology,
Faculty of Health Science - Master Course of Radiological Technology,
Juntendo Univ
Kenta Suga

September 20 (Fri.)

Sub 2 (room224)

Joint Session 2(Deep Learning)		
15:15–16:15
Chairperson: Hidetaka Arimura(Kyushu University),
Sang Hoon Jung (Samsung Medical Center)O-039. Memory-Eﬃcient Segmentation in the Head & Neck Region Using Object Detection:
Framework and Competition-Based Validation
Yonsei University
Chanwoong Lee
O-040. Contrast Evaluation of Scatter Removal Images Using Deep Learning in Digital Breast Tomosynthesis
Graduate School of Science and Engineering, Hosei Univercity
Takumi Okuma
O-041. Eﬀect of Tumor Heterogeneity on Deep Learning Model Performance for Liver Tumor Segmentation
Yonsei University College of Medicine
Ahjin Choi
O-042. Correction Accuracy in Beam Hardening Eﬀect and Scattering of Pelvic Images Using Deep Learning
Graduate School of Science and Engineering, Hosei University
Soya Yagi
O-043. Automatic Segmentation of Target Volumes and Organs at Risk in Cervical Cancer Brachytherapy
using Deep Learning
Oncosoft
Yoon Jo Kim
O-044. Can deep learning-based segmentation enable organs in CBCT images by learning CT images of themale pelvis?
Kanagawa Cancer Center
Yoshiki Takayama

September 21 (Sat.)Sub 1 (room234)

Photon Therapy		
9:00–10:30
Chairperson: Kaoru Ono(Hiroshima Heiwa Clinic),Naoki Kinoshita (University of Fukui)
O-045. Eﬀect of ICD Lead Orientation as a Fiducial Marker for Respiratory Tracking in Stereotactic
Arrhythmia Radioablation
Nagoya University Graduate School of Medicine
Takayuki Miyachi
O-046. Evaluation of the inﬂuence of infrared camera visible area on monitoring accuracy of surface-guided
radiotherapy system
Juntendo University
Hibiki Takee
O-047. Practical veriﬁcation test for non-coplanar brain metastasis using a new-type dose distribution
dosimeter
The University of Tokyo Hospital
Takeshi Ohta
O-048. Commissioning of the enhanced leaf model in treatment planning system:
A focus on the dose calculation using dual-layer MLC
Department of Radiation Oncology, Chiba Cancer Center
Ryohei Miyasaka

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O-049. Dosimetric evaluation of peribronchial dose error by replacing CT values for low-density areasin VMAT plan
Graduate School of Health Science, Juntendo University
Hiroto Adachi
O-050. Assessment of the adequacy of CT number calibration curves in photon therapy
Hiroshima High-Precision Radiotherapy Cancer Center
Minoru Nakao
O-051. Implementation of a framework for calculation-based patient-speciﬁc QA using scripting applicationon RayStation
Shiga General Hospital
Tomohiro Ono
O-052. Frequency of soft errors in cardiac implanted devices caused by secondary neutrons from a 7-MV beamby MR-Linac.
Fujita Health University
Shota Kamei
O-053. Study of a false trigger to electrical shock for deﬁbrillation in a cardiac implantable electronic device
by medical irradiation
Fujita Health University
Hiroaki Matsubara

September 21 (Sat.)Sub 2 (room224)

Particle Therapy 2		
9:00–10:30
Chairperson: Yoshikazu Maeda
(Fukui Prefectural Hospital),
Masataka Komori (Nagoya University)
O-054. Operation Experience of Compact Superconducting Rotating Gantry for Carbon Ion Radiotherapy
Yamagata University
Hikaru Souda
O-055. Evaluation of respiratory motion tolerance for layer-stacking conformal carbon-ion radiotherapy
Gunma University
Yuki Hasebe
O-056. Development of 3D range modulators using a 3D printer for animal irradiation with carbon ion beams
Gunma University
Tomoya Umakoshi
O-057. Development of carbon ion dose distribution calculation and optimization software for small animals
Gunma University Graduate School Heavy Ion Medical Center
Shunsuke Inagaki
O-058. Evaluation of dose diﬀerence of bulk density assignment method for prostate cancer treatment withcarbon ion radiotherapy
Department of Heavy Particle Medical Science,
Yamagata University Graduate School of Medical Science
Miyu Ishizawa
O-059. Estimation of 3D Dose Distribution using Planar PET System in Proton Therapy
Department of Medical Physics and Engineering,
Graduate School of Medicine, Osaka University
Yukito Yamaguchi
O-060. Clinical implementation of IMPT patient speciﬁc QA using delivery Log
Nagoya City University West Medical Center
Kenichiro Tanaka
O-061. Study of visible light luminescence from various materials at ultra-high dose rate proton beamirradiation for dose management
Kouseikai Takai Hospital
Ryosaku Yamada
O-062. Imaging of prompt gammas and prompt X-rays during irradiation of proton beams to phantoms atclinical condition
Waseda University
Seiichi Yamamoto

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Vol. 44 Supplement No. 3 September (2024)

September 21 (Sat.)第 44 巻

Sup.3

Sub 2 (room224)

Medical Information
10:45–11:25

Chairperson: Hidemi Kamezawa(Teikyo University)

O-063. Imaging of Primo Vascular System using Photon Counting CT
Graduate School of Science and Engineering, Hosei University Diksha Raghunathan
O-064. Evaluation of Image conversion accuracy in Head CT to MRI with and Without Brain Tumor Lesion
Department of Radiological Technology,
Graduate School of Health Science, Juntendo University
Ryoma Tsuchiya
O-065. Comparison of classiﬁcation accuracy and discriminative features in MRI motion artifact withand without brain tumor lesion
Department of Radiological Technology,
Graduate school of Health Science, Juntendo University Masafumi Akanuma
O-066. Recurrence prediction after radiotherapy with virtual data created by modiﬁed Mixup in an expanded
interpolation space
Graduate Division of Health Sciences, Komazawa University
Kimika Matsuo

September 21 (Sat.)Sub 1 (room234)

Deep Learning & Radiomics
13:15–14:05

Chairperson: Daisuke Kawahara(Hiroshima University)
O-067. Separation of overlapped projection images using deep learning in multi-pinhole SPECT
Faculty of Science and Engineering, Hosei University
Takumi Akatsuka
O-068. Correction of Attenuation and Scattering Eﬀects in Multi-pinhole SPECT System With a U-net
Graduated School of Science and Engineering, Hosei University
Ryoga Okachi
O-069. Evaluation of the Eﬀect of Scattered Photons from the Liver on Myocardial SPECT Using Deep Learning
Graduate School of Science and Engineering, Hosei University
Shuto Inaba
O-070. Prediction of Gleason Pattern of Prostate Cancer by Local Radiomics Approach
Tohoku University
Shinichi Tanaka
O-071. Left Ventricular Ejection Fraction Prediction: Preprocessing Network Data Augmentation
for Echocardiographic Standardization
Graduate School of Biomedical Sciences, Tokushima University
Ren Iwasaki

September 21 (Sat.)Sub 2 (room224)

Particle Therapy 3
13:15–14:15

Chairperson: Hikaru Souda(Yamagata University)
O-072. Evaluation of deep learning-based dose distribution prediction for proton therapy in hepatocellular
carcinoma patients
Southern Tohoku Proton Therapy Center
Shuta Ogawa
O-073. Evaluation of treatment planning methods for X-ray and Proton Therapy for fertility preservation inwhole-craniospinal irradiation
Juntendo University
Maehara Eiichi

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O-074. Development of a LET-TCP Model for carbon ion radiation therapy of head and neck adenoid cystic
carcinoma
International University of Health and Welfare
Daisuke Kondo
O-075. Measurement of soft errors in proton beam therapy and carbon ion therapy
Gunma University
Reika Imazu
O-076. The eﬀects of MLC-aperture size on soft-error generation in carbon ion radiotherapy
Gunma University
Shogo Shimizu
O-077. Optimal measurement conditions of activation methods at the accelerator-based BNCT system
employing a lithium target
Shonan Kamakura General HospitalShunsuke Suzuki

September 21 (Sat.)

Main

Presidential Award
14:30–16:10

Chairperson: Toshiyuki Toshito(Nagoya City University),
Yusung Kim(The University of Texas MD Anderson Cancer Center)O-078. Development of Portable Perovskite Radiation Detectors for low energy photon
Seoul National University Hospital
Shin Ju Yeol
O-079. Development of an ultrahigh resolution small animal PET for mouse brain imaging
QST
Han Gyu Kang
O-080. Beam Range Measurement for All Available Energies at Various Gantry Angles in Carbon Ion
Radiotherapy Machine
Yonsei University College of Medicine
Soorim Han
O-081. Optical ﬂow-guided intra-fractional analysis of liver motion during magnetic resonance-guided
adaptive radiotherapy
Department of Radiation Oncology and Image-Applied Therapy,
Graduate School of Medicine, Kyoto University
Takanori Adachi
O-082. Evaluating the Utility of Oral Immobilization Device in Radiation Therapy for Head and Neck Cancer
Yeseur Park
Seoul National University
O-083. A Novel Approach to Pathological Image Diagnosis Leveraging Information Theory
Kanazawa Institute of Technology
Toshiki Kindo
O-084. Evaluation of EPID-based Dose Veriﬁcation System for a New Elekta LINAC: A Preliminary Study
Department of Radiation Oncology, Yonsei Cancer Center,
Yonsei University College of Medicine, Yonsei University
Dohyeon Yoo
O-085. Development of a biological adaptive radiotherapy system to compensate for long-term treatment
interruptions
Hiroshima University
Takuya Wada
O-086. Feasibility Study of Respiratory Training Device (RESPEDUE) for DIBH Radiotherapy in Left Breast
Cancer Patients: A Clinical Trial
Seoul National University Hospital
Yoonsuk Huh
O-087. Development of a new FLASH irradiation ﬁeld using L-band electron LINAC
Institute for Integrated Radiation and Nuclear Science, Kyoto University
Hiroki Tanaka―

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