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

   • Junji Shiraishi
   • Shigehiko Katsuragawa

   Editorial 05 May 2023 Pages: 135 - 136

   

2. 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

   • Masahiro Endo

   Review Article 02 May 2023 Pages: 137 - 159

   

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

   • Masaki Takemitsu
   • Kazuki Takegami
   • Kaito Kawanami

   Research Article 09 February 2023 Pages: 160 - 167

   

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

   • G. B. Hiremath
   • V. P. Singh
   • N. M. Badiger

   Research Article 23 February 2023 Pages: 168 - 185

   

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

   • Hiroaki Matsubara

   Research Article 13 February 2023 Pages: 186 - 194

   

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

   • Norikazu Matsutomo
   • Mitsuha Fukami
   • Tomoaki Yamamoto

   Research Article 06 March 2023 Pages: 195 - 202

   

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

   • Ceyda Cumur
   • Toshioh Fujibuchi
   • Keisuke Hamada

   Research Article 06 March 2023 Pages: 203 - 211

   

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

   • Tarik El Ghalbzouri
   • Tarek El Bardouni
   • Abderrahim Doudouh

   Research Article 14 March 2023 Pages: 212 - 226

   

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

   • Narumi Kumahara
   • Akihiro Takemura
   • Itsuki Goto

   Research Article 22 March 2023 Pages: 227 - 234

   

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

    • Takanobu Yamashiro
    • Yasuo Takatsu
    • Kazuhiro Nakajima

    Research Article 25 March 2023 Pages: 235 - 243

    

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

    • Hajime Ichikawa
    • Takayuki Shibutani
    • Masahisa Onoguchi

    Research Article 23 March 2023 Pages: 244 - 253

    

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

    • Hideaki Tashima
    • Takumi Nishina
    • Taiga Yamaya

    Research Article 21 March 2023 Pages: 254 - 261

    

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

    • Kohei Oguma
    • Taiki Magome
    • Koh-ichi Sakata

    Research Article 22 March 2023 Pages: 262 - 271

    

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

    • Elena Gallio
    • Anna Sardo
    • Francesca Romana Giglioli

    Research Article 21 April 2023 Pages: 272 - 283

    

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

    • Zahra Khandan Khadem-Reza
    • Mohammad Amin Shahram
    • Hoda Zare

    Research Article 11 April 2023 Pages: 284 - 291

    

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

    • Masahide Saito
    • Naoki Sano
    • Hiroshi Onishi

    Research Article 20 April 2023 Pages: 292 - 298

    

17. 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

    • Shu Onodera
    • Yohan Kondo
    • Hiroki Ishii

    Research Article 12 April 2023 Pages: 299 - 309

    

18. 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

    • Yuki Yamamoto
    • Shingo Ohira
    • Koji Konishi

    Research Article 24 April 2023 Pages: 310 - 318

    

19. 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

    • Taku Inaniwa
    • Emely Weichert
    • Nobuyuki Kanematsu

    Technical Note 23 April 2023 Pages: 319 - 324

    

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

    • Tetsuya Yasuda
    • Kazuya Maeda
    • Keiichi Nishikawa

    Special Report 25 April 2023 Pages: 325 - 337

    

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

    • Kensuke Yanagi
    • Shuntarou Shimizu
    • Jun Koizumi

    Clinical Technique 07 March 2023 Pages: 338 - 345

    

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

    • Rei Yoshida
    • Yoshio Machida

    Clinical Technique 26 March 2023 Pages: 346 - 353