Dr. Kunio Doi is awarded the 23rd Gray Medal by the ICRU

Authors : Junji Shiraishi, Shigehiko Katsuragawa

Content type: Editorial

Published: 05 May 2023 Pages: 135 – 136



Creation, evolution, and future challenges of ion beam therapy from a medical physicist’s viewpoint (Part 2). Chapter 2. Biophysical model, treatment planning system and image guided radiotherapy

Authors : Masahiro Endo

Content type: Review Article

Published: 02 May 2023 Pages: 137 – 159



Patient dose reduction for a localizer radiograph with an additional tin filter in chest–abdomen–pelvis, spine, and head computed tomography examinations

Authors : Masaki Takemitsu, Kazuki Takegami, Kaito Kawanami

Content type: Research Article

Published: 09 February 2023 Pages: 160 – 167



Investigation of the nuclear radiation interaction parameters of selected polymers for radiation therapy and dosimetry

Authors : G. B. Hiremath, V. P. Singh, N. M. Badiger

Content type: Research Article

Published: 23 February 2023 Pages: 168 – 185



Neutron dose from a 6-MV X-ray beam in radiotherapy

Authors : Hiroaki Matsubara

Content type: Research Article

Published: 13 February 2023 Pages: 186 – 194



Impact of bone-equivalent solution density in a thoracic spine phantom on bone single-photon emission computed tomography image quality and quantification

Authors : Norikazu Matsutomo, Mitsuha Fukami, Tomoaki Yamamoto

Content type: Research Article

Published: 06 March 2023 Pages: 195 – 202



Dose estimation for cone-beam computed tomography in image-guided radiation therapy for pelvic cancer using adult mesh-type reference computational phantoms

Authors : Ceyda Cumur, Toshioh Fujibuchi, Keisuke Hamada

Content type: Research Article

Published: 06 March 2023 Pages: 203 – 211



Validation of the DoseCalcs Monte Carlo code for estimating the 18F S-values for ICRP adult and 15-year-old male and female phantoms

Authors : Tarik El Ghalbzouri, Tarek El Bardouni, Abderrahim Doudouh

Content type: Research Article

Published: 14 March 2023 Pages: 212 – 226



Sensitivity of a bone-equivalent polymer gel dosimeter for measuring the dose to bone during radiation therapy

Authors : Narumi Kumahara, Akihiro Takemura, Itsuki Goto

Content type: Research Article

Published: 22 March 2023 Pages: 227 – 234



Effect of acoustic noise reduction technology on image quality: a multivendor study

Authors : Takanobu Yamashiro, Yasuo Takatsu, Kazuhiro Nakajima

Content type: Research Article

Published: 25 March 2023 Pages: 235 – 243




Feasibility of using counts-per-volume approach with a new SPECT phantom to optimize the relationship between administered dose and acquisition time

Authors : Hajime Ichikawa, Takayuki Shibutani, Masahisa Onoguchi

Content type: Research Article

Published: 23 March 2023 Pages: 244 – 253



Optimum selection for multi-interaction events in Compton-PET hybrid reconstruction: a Monte Carlo study

Authors : Hideaki Tashima, Takumi Nishina, Taiga Yamaya

Content type: Research Article

Published: 21 March 2023 Pages: 254 – 261



Virtual clinical trial based on outcome modeling with iteratively redistributed extrapolation data

Authors : Kohei Oguma, Taiki Magome, Koh-ichi Sakata

Content type: Research Article

Published: 22 March 2023 Pages: 262 – 271



Helical tomotherapy and two types of volumetric modulated arc therapy: dosimetric and clinical comparison for several cancer sites

Authors : Elena Gallio, Anna Sardo, Francesca Romana Giglioli

Content type: Research Article

Published: 21 April 2023 Pages: 272 – 283



Altered resting-state functional connectivity of the brain in children with autism spectrum disorder

Authors : Zahra Khandan Khadem-Reza, Mohammad Amin Shahram, Hoda Zare

Content type: Research Article

Published: 11 April 2023 Pages: 284 – 291



Long-term experience in quality assurance of on-rail computed tomography systems for image-guided radiotherapy using in-house multifunctional phantoms

Authors : Masahide Saito, Naoki SanoH, iroshi Onishi

Content type: Research Article

Published: 20 April 2023 Pages: 292 – 298



Usefulness of copper filters in digital chest radiography based on the relationship between effective detective quantum efficiency and deep learning-based segmentation accuracy of the tumor area

Authors : Shu Onodera, Yohan Kondo, Hiroki Ishii

Content type: Research Article

Published: 12 April 2023 Pages: 299 – 309



Comparison of dosimetric parameters and robustness for rotational errors in fractionated stereotactic irradiation using automated noncoplanar volumetric modulated arc therapy for patients with brain metastases: single- versus multi-isocentric technique

Authors : Yuki Yamamoto, Shingo Ohira, Koji Konishi

Content type: Research Article

Published: 24 April 2023 Pages: 310 – 318



Stopping-power ratio of body tissues with updated effective energies and elemental I values for treatment planning of proton therapy and ion beam therapy with helium, carbon, oxygen, and neon ions

Authors : Taku Inaniwa, Emely Weichert, Nobuyuki Kanematsu

Content type: Technical Note

Published: 23 April 2023 Pages: 319 – 324



Nationwide survey on the current situation of quality control of diagnostic displays in Japan

Authors : Tetsuya Yasuda, Kazuya Maeda, Keiichi Nishikawa

Content type: Special Report

Published: 25 April 2023 Pages: 325 – 337



Evaluation of motion artifacts reduction software that compensate for respiratory movements in the craniocaudal direction during abdominal cone-beam computed tomography

Authors : Kensuke Yanagi, Shuntarou Shimizu, Jun Koizumi

Content type: Clinical Technique

Published: 07 March 2023 Pages: 338 – 345



Modulation transfer function measurement of three-dimensional T1-weighted turbo spin echo sequence with low refocusing flip angles using single-plate method

Authors : Rei Yoshida, Yoshio Machida

Content type: Clinical Technique

Published: 26 March 2023 Pages: 346 – 353