1. Subchondral insufficiency fracture of the knee: review of current concepts and radiological differential diagnoses

   • Junko Ochi
   • Taiki Nozaki
   • Nobuto Kitamura

   Invited Review Open access 29 November 2021 Pages: 443 - 457

   

2. Radiotherapy for HPV-related cancers: prediction of therapeutic effects based on the mechanism of tumor immunity and the application of immunoradiotherapy

   • Masanori Someya
   • Yuki Fukushima
   • Koh-ichi Sakata

   Invited Review Open access 01 January 2022 Pages: 458 - 465

   

3. Feasibility study for inducing the skeletal muscle fibrosis via irradiation using two mouse strains

   • Yu Murakoshi
   • Ryutaro Yoshikawa
   • Ryota Iwasaki

   Original Article 29 November 2021 Pages: 466 - 475

   

4. Impact of deep learning reconstruction on intracranial 1.5 T magnetic resonance angiography

   • Koichiro Yasaka
   • Hiroyuki Akai
   • Shigeru Kiryu

   Original Article Open access 01 December 2021 Pages: 476 - 483

   

5. Assessment of 4DCT imaging findings of parathyroid adenomas in correlation with biochemical and histopathological findings

   • Ekim Gumeler
   • Olcay Kurtulan
   • Ayca Akgoz Karaosmanoglu

   Original Article 23 November 2021 Pages: 484 - 491

   

6. Usefulness of quantitative bone SPECT/CT for medication-related osteonecrosis of the jaw in clinical settings

   • Kuniyasu Moridera
   • Kazuhiro Kitajima
   • Koichiro Yamakado

   Original Article 01 December 2021 Pages: 492 - 499

   

7. Can myocardial susceptibility quantification be an imaging biomarker for cardiac amyloidosis?

   • Hidetaka Hayashi
   • Seitaro Oda
   • Toshinori Hirai

   Original Article Open access 29 November 2021 Pages: 500 - 507

   

8. Usefulness of quantitative ^99mTc-pyrophosphate SPECT/CT for predicting the prognosis of patients with wild-type transthyretin cardiac amyloidosis

   • Kouji Ogasawara
   • Shinya Shiraishi
   • Toshinori Hirai

   Original Article Open access 01 January 2022 Pages: 508 - 517

   

9. Metallic stent placement versus catheter drainage for malignant bilioenteric anastomotic stricture

   • Wei-Zhong Zhou
   • Jun-Zheng Wu
   • Hai-Bin Shi

   Original Article 29 November 2021 Pages: 518 - 524

   

10. Particle therapy using protons or carbon ions for cancer patients with cardiac implantable electronic devices (CIED): a retrospective multi-institutional study

    • Takayuki Hashimoto
    • Yusuke Demizu
    • Japan Radiological Society multi-institutional study group

    Original Article Open access 15 November 2021 Pages: 525 - 533

    

11. High tumor mutational burden predicts worse prognosis for cervical cancer treated with radiotherapy

    • Norichika Ota
    • Yuya Yoshimoto
    • Tatsuya Ohno

    Original Article Open access 03 December 2021 Pages: 534 - 541

    

12. Comment on “Particle therapy using protons or carbon ions for cancer patients with cardiac implantable electronic devices (CIED): a retrospective multi-institutional study”

    • Hiroaki Matsubara

    Letter to the Editor 13 January 2022 Pages: 542 - 543

13. In reply to “Comment on “Particle therapy using protons or carbon ions for cancer patients with cardiac implantable electronic devices (CIED): a retrospective multi-institutional study””

    • Takayuki Hashimoto

    Letter to the Editor Open access 19 February 2022 Pages: 544 - 545