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List of works by Shuichi Ozawa

4D modeling in a gimbaled linear accelerator by using gold anchor markers

scientific article published on 18 March 2018

A dose comparison study between XVI and OBI CBCT systems

scientific article published on 01 February 2008

A method for removing moiré artifacts from scanned images of radiochromic films: application to transmissive scanning

scientific article published in January 2012

A novel risk analysis of clinical reference dosimetry based on failure modes and effects analysis

scientific article published on 29 January 2019

A novel verification method using a plastic scintillator imagining system for assessment of gantry sag in radiotherapy.

scientific article published on 16 April 2018

A randomized Phase III trial of comparing two dose-fractionations stereotactic body radiotherapy (SBRT) for medically inoperable Stage IA non-small cell lung cancer or small lung lesions clinically diagnosed as primary lung cancer: Japan Clinical On

scientific article published on 9 January 2017

Absorbed dose and image quality of Varian TrueBeam CBCT compared with OBI CBCT.

scientific article published on 3 December 2016

Accuracy of the raw-data-based effective atomic numbers and monochromatic CT numbers for contrast medium with a dual-energy CT technique

scientific article published on 21 November 2017

An end-to-end postal audit test to examine the coincidence between the imaging isocenter and treatment beam isocenter of the IGRT linac system for Japan Clinical Oncology Group (JCOG) clinical trials

scientific article published on 11 September 2018

An image quality comparison study between XVI and OBI CBCT systems.

scientific article

Automatic calibration of an arbitrarily-set near-infrared camera for patient surface respiratory monitoring

scientific article published on 04 February 2019

Automatic contrast medium extraction system using electron density data with dual-energy CT

scientific article published on 09 July 2018

Automatic gas detection in prostate cancer patients during image-guided radiation therapy using a deep convolutional neural network

scientific article published on 21 June 2019

Availability of applying diaphragm matching with the breath-holding technique in stereotactic body radiation therapy for liver tumors.

scientific article published on 21 March 2016

Clinical experience of volumetric modulated arc therapy for malignant pleural mesothelioma after extrapleural pneumonectomy

scientific article

Combined Ventilation and Perfusion Imaging Correlates With the Dosimetric Parameters of Radiation Pneumonitis in Radiation Therapy Planning for Lung Cancer.

scientific article published on 19 August 2015

Comparison of 4 MV photon surface dose among Varian, Siemens, and Elekta linear accelerators for tangential breast treatment: a phantom study.

scientific article published on 25 January 2007

Comparison of hypofractionated and conventionally fractionated whole-breast irradiation for early breast cancer patients: a single-institute study of 1,098 patients.

scientific article published on 12 September 2012

Comparison of total MU and segment areas in VMAT and step-and-shoot IMRT plans ⬇️

scientific article published on July 1, 2012

Dosimetric impact of Lipiodol in stereotactic body radiation therapy on liver after trans-arterial chemoembolization.

scientific article published on January 2017

Effect of image quality on correlation modeling error using a fiducial marker in a gimbaled linear accelerator

scientific article published on 25 February 2019

Effect of secondary electron generation on dose enhancement in Lipiodol with and without a flattening filter.

scientific article published on 15 February 2018

Effect of tumor amplitude and frequency on 4D modeling of Vero4DRT system

scientific article published on 5 May 2017

Efficacy of robust optimization plan with partial-arc VMAT for photon volumetric-modulated arc therapy: A phantom study.

scientific article published on 10 July 2017

Energy spectrum and dose enhancement due to the depth of the Lipiodol position using flattened and unflattened beams.

scientific article published on 12 January 2018

Evaluation of beam modeling for small fields using a flattening filter-free beam.

scientific article published on 21 June 2016

Evaluation of cone-beam computed tomography image quality assurance for Vero4DRT system.

scientific article

Evaluation of raw-data-based and calculated electron density for contrast media with a dual-energy CT technique

scientific article published on 20 August 2019

Feasibility of single-isocenter, multi-arc non-coplanar volumetric modulated arc therapy for multiple brain tumors using a linear accelerator with a 160-leaf multileaf collimator: a phantom study

scientific article published on 18 June 2014

Full-dose capecitabine with local radiotherapy: one of the treatment options for inoperable T4 breast cancer

scientific article published on 26 April 2011

Functional image-guided stereotactic body radiation therapy planning for patients with hepatocellular carcinoma

scientific article published on 19 April 2017

Gafchromic EBT-XD film: Dosimetry characterization in high-dose, volumetric-modulated arc therapy.

scientific article published on 8 November 2016

Image quality and absorbed dose comparison of single- and dual-source cone-beam computed tomography.

scientific article

Impact of deformable image registration accuracy on thoracic images with different regularization weight parameter settings.

scientific article published on 15 September 2017

Impact of reduction of flux overlap region on kilovoltage cone-beam computed tomography image quality and patients' exposure dose.

scientific article published on 16 May 2016

Improving automatic contrast agent extraction system using monochromatic CT number

scientific article published on 20 May 2019

Interfractional diaphragm changes during breath-holding in stereotactic body radiotherapy for liver cancer.

scientific article published on 10 February 2018

MRI appearance change during stereotactic radiotherapy for large brain metastases and importance of treatment plan modification during treatment period

scientific article published on 15 October 2019

Marginal prescription equivalent to the isocenter prescription in lung stereotactic body radiotherapy: preliminary study for Japan Clinical Oncology Group trial (JCOG1408)

scientific article published on 19 October 2016

Method of evaluating respiratory induced organ motion by vector volume histogram

scientific article published on 22 November 2016

Photon and electron backscatter dose and energy spectrum analysis around Lipiodol using flattened and unflattened beams.

scientific article published on 18 March 2019

Proposed patient motion monitoring system using feature point tracking with a web camera

scientific article published on 6 October 2017

Quality assurance of a gimbaled head swing verification using feature point tracking.

scientific article published on 21 November 2016

Radiotherapy with fraction size of 2.25 Gy in T1-2 laryngeal and hypopharyngeal cancer

scientific article published on 07 January 2013

Relative biological effectiveness study of Lipiodol based on microdosimetric-kinetic model

scientific article published on 01 February 2018

SU-E-T-142: Evaluation of the Energy Dependence of Gafchromic EBT3 Film for Electron Beams.

scientific article published on June 2012

SU-E-T-497: Study of Restricted Mass Stopping Power Ratio in Small Electron Tube Fields

scientific article published on 01 June 2012

Simple quality assurance method of dynamic tumor tracking with the gimbaled linac system using a light field.

scientific article published on 8 September 2016

Split-VMAT technique to control the expiratory breath-hold time in liver stereotactic body radiation therapy.

scientific article published on 13 July 2017

The role of chemoradiotherapy in patients with unresectable T4 breast tumors

scientific article published on 25 January 2012

The role of radiotherapy in breast cancer

scientific article

Tolerance levels of CT number to electron density table for photon beam in radiotherapy treatment planning system.

scientific article published on 20 November 2017

Tolerance levels of mass density for CT number calibration in photon radiation therapy.

scientific article published on 13 May 2019

Volumetric modulated arc therapy with robust optimization for larynx cancer

scientific article published on 25 January 2019

[Activity at Hiroshima High-Precision Radiotherapy Cancer Center]

scientific article published on 01 January 2018

[Influence of Changing Respirator Pattern on Dynamic Tumor Tracking Accuracy with Gimbaled Linac System Using a Digital Camera]

scientific article published on 01 January 2018

[Medical Physics Research Leading to Disruptive Innovation]

scientific article published on 01 January 2019

[Study of Dose Recalculation Method on Overriding Lung Density Using CBCT Image in the Thorax]

scientific article published on 01 January 2018

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