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Nuclear Medical Physics – A Review of an Advanced Technology

Oh JS

  • KMID: 2510118
  • Prog Med Phys.
  • 2020 Sep;31(S1):S82.
Purpose: This study aim to provide a comprehensive review of advanced technologies of nuclear medicine physics, with a focus on the recent developments from both hardware and software perspectives. Materials and...
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Overview of Monte Carlo Studies for Treatment Device Modeling in Radiation Therapy

Park H, Paganetti H, Min CH

  • KMID: 2510089
  • Prog Med Phys.
  • 2020 Sep;31(S1):S48.
This study aims to overview studies on the Monte Carlo (MC) simulation for radiation treatment devices with the brief history and commonly-used simulation codes. The MC simulations have taken important...
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Reference based Simulation Study of Detector Comparison for BNCT-SPECT Imaging

Kim MS, Choi MG, Yoon DK, Suh TS

  • KMID: 2510053
  • Prog Med Phys.
  • 2020 Sep;31(S1):S25.
To investigate the optimal detector material for prompt gamma imaging during boron neutron capture therapy, in this study, we evaluated the characteristic regarding radiation reaction of available detector materials using...
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Combination Treatment with Radiation and Alternating Electric Fields Causes Increased Apoptosis in Pancreatic Cancer Cell Lines

Jo Y, Oh G, Gi Y, Sung H, Yoon M

  • KMID: 2510076
  • Prog Med Phys.
  • 2020 Sep;31(S1):S32.
Purpose: Tumor treating fields (TTF) therapy is a non-invasive method that uses alternating electric fields to treat various types of cancer. This study demonstrates the combined effect of TTF and...
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Dosimetric Result of Magnetic Resonance/ Computed Tomography Compatible Hybrid Phantom for Magnetic Resonance Guided Radiotherapy

Kim MJ, Lee SR, Suh TS

  • KMID: 2510105
  • Prog Med Phys.
  • 2020 Sep;31(S1):S59.
Purpose: The purpose of the present study was to develop MR/CT compatible hybrid phantom and tissue-equivalent materials for each MR and CT image. Methods: The essential requirements necessary for the development...
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Convolutional Neural Network Based Sinogram Extrapolation for Truncated CT: Preliminary Study

Park YI, Suh TS

  • KMID: 2510116
  • Prog Med Phys.
  • 2020 Sep;31(S1):S71.
Purpose: Evaluate the feasibility of the convolutional neural network based sinogram extrapolation method to extend the field-of-view in truncated computed tomography (CT). Methods: Initial sinogram datasets were collected using forward projections...
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Monitoring Tumor Size Using PET with a Collimator during Boron Neutron Capture Therapy: Simulation Study

Yang HJ, Yoon DK, Suh TS

  • KMID: 2510100
  • Prog Med Phys.
  • 2020 Sep;31(S1):S55.
Purpose: The purpose of this study was to demonstrate the feasibility of sensing changes in a tumor during boron neutron capture therapy (BNCT) using a Monte Carlo simulation tool. Methods: In...
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Dosimetric Accuracy of CyberKnife Stereotactic Radiosurgery for Perioptic Lesions

Yoon K, Jeong C, Park M, Goh Y, Kim S, Cho B, Kwak J, Cho YH

  • KMID: 2510080
  • Prog Med Phys.
  • 2020 Sep;31(S1):S37.
Purpose: This study aimed to evaluate the dosimetric accuracy of Cyberknife (CK) for benign perioptic tumor using patient specific QA head phantom. Methods: Patient specific head phantoms was fabricated using a...
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Feasibility Study of Utilizing a Portable Spectrophotometer to Assess the Radiation Dose Delivered to the Radiochromic Film

Kwon O, Son J, Park JM, Choi CH, Kim Ji, Jung S

  • KMID: 2510073
  • Prog Med Phys.
  • 2020 Sep;31(S1):S29.
Purpose: This study aims to show the feasibility of portable spectrophotometers to assess the doses delivered to the radiochromic film and to compare the results with those by the flatbed...
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Preliminary Study for Dosimetry of Boron Neutron Capture Therapy with Polymer Gel

Choi SH, Jang WI, Kim KB, Choi Y, Cho SJ

  • KMID: 2510101
  • Prog Med Phys.
  • 2020 Sep;31(S1):S56.
Purpose: Boron Neutron Capture Therapy (BNCT) is a treatment that injects boron into cancer, irradiates neutrons and kills only cancer cells, and neutron dose evaluation is a very important issue....
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Comparison of the Skin Dose in TPS with the Phantom Measurement for the Head and Neck Radiation Treatment Patients

Hong SM, Kim Sw, Cho B, Goh Y, Kim C, Lee M, Shin JB, Lee D, Yoon K, Noh S, Kang S, Kwak J, Jeong C, Park MJ

  • KMID: 2510096
  • Prog Med Phys.
  • 2020 Sep;31(S1):S53.
Purpose: Head and neck cancer patients are radiation-treated on the couch tops with thermoplastic mask for the immobilization of patients. However, dose perturbation is occurred by the mask and leads...
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Developmet of Infrared Marker for Thormoplastic Immobilization Tool

Kim YJ, Kim TH, Suh TS

  • KMID: 2510115
  • Prog Med Phys.
  • 2020 Sep;31(S1):S68.
Purpose: Although the thermoplastic immobilization tool is used to efficiently control of patient movement, movement of the patient’s skin surface under thermoplastic immobilization tool exists. In addition, the thermoplastic immobilization...
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Dosimetric Evaluation of Acuros XB for Treatment Plan on Multiphasic Contrast Enhanced CT

Jung SH, Lee H, Kim SJ, Yu JI, Park HC

  • KMID: 2510108
  • Prog Med Phys.
  • 2020 Sep;31(S1):S60.
Purpose: Influence of treatment planning with multiphasic contrast enhanced computed tomography (CT) for liver cancer on dose calculation using Acuros XB (Varian Medical Systems, Palo Alto, CA), a grid-based technique...
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Dose Effects Induced by a Localized Transverse Magnetic Field of 0.5 T in Inhomogeneous Medium for MV Photon Beams

Ahn WS, Choi W, Jung IH, Shin SS

  • KMID: 2510094
  • Prog Med Phys.
  • 2020 Sep;31(S1):S52.
Purpose: This purpose of this study is to present a potential technique of using a low-strength localized magnetic field to increase the dose to tumor and to decrease the dose...
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Breast Shape Reconstruction during Digital Breast Tomosynthesis Based on Discrete Algebraic Reconstruction Technique

Lee S, Kim H, Cho S

  • KMID: 2510050
  • Prog Med Phys.
  • 2020 Sep;31(S1):S21.
Purpose: Digital breast tomosynthesis (DBT) is an emerging breast imaging technique that can complement conventional digital mammography. DBT has a limited-angle configuration unlike other conventional computed tomography; thus, high-quality 3-dimensional...
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A Feasibility Study of Novel Real-Time Personal Dosimeter with Position Monitoring

Moon SY, Seo J, Yoon M, Shin D

  • KMID: 2510077
  • Prog Med Phys.
  • 2020 Sep;31(S1):S33.
Purpose: Personal dosimeters are used to measure the amount of radiation exposure in individual radiation workers. We aimed to replace existing personal dosimeters and evaluate a real-time scintillator-based dosimeter, by...
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Detector-based Dose Verification System for Phantom-less Delivery Quality Assurance in Tomothearpy

Han MC, Han MC, Chang KH, Chang KH, Kim J, Kim J, Han SC, Han SC, Park K, Park K, Kim DW, Kim DW, Kim HJ, Kim HJ, Kim JS, Kim JS

  • KMID: 2510030
  • Prog Med Phys.
  • 2020 Sep;31(S1):S5.
Purpose: We developed a new technique, named TomoCHECK, to perform phantom-less delivery quality assurance (DQA) system in Tomothearpy using an exit detector and software-based QA platform. Methods: TomoCHECK was designed to...
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Simplified Sigmoidal Curve Fitting for 6 MV FFF Photon Beam of Halcyon to Determine Field Size for Beam Commissioning and Quality Assurance

Choi MG, Kim YJ, Yoon DK, Kim MS, Suh TS

  • KMID: 2510084
  • Prog Med Phys.
  • 2020 Sep;31(S1):S43.
Purpose: Delivery of a single energy 6 MV flattening filter free (FFF) photon beam is a main characteristic of an O-ring gantry type linear accelerator (linac) Halcyon. The purpose of...
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Evaluation of Filament Materials for Polymer Gel Dosimetry in Fused Deposition Modeling

Lee M, Noh S, Cho Bc, Kim Sw, Kim C, Shin JB, Hong SM, Goh Y, Park M, Yoon K, Jeong C, Kwak J

  • KMID: 2510079
  • Prog Med Phys.
  • 2020 Sep;31(S1):S35.
Purpose: Accurate dosimetric verification is becoming more crucial in radiotherapy, as modern treatment techniques require more complex beam control mechanisms and larger dose fraction sizes. Polymer gel dosimetry can be...
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Feasibility of Personalized 3D Bolus for H&N Cancer: Applied to Oral Cavity and Supraclavicular Area

Baek S, Ahn S, Ju E, Jung NH

  • KMID: 2510104
  • Prog Med Phys.
  • 2020 Sep;31(S1):S58.
Purpose: The IMRT makes it easier to shape the dose distribution, but side effects such as dry mouth, a sore and inflamed throat, and skin change remain in especially the...
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