This annual overview shows the top read content from ITNonline.com viewers throughout the year 2021. ITN had more than 2.6 million pageviews in 2021.

1. COVID-19 Vaccine Can Cause False Positive Cancer Diagnosis

2. PHOTO GALLERY: How COVID-19 Appears on Medical Imaging

3. Emovi to Introduce Game-Changing Technology for Dynamic Knee Exam at RSNA

4. Withdrawing FDA EUA COVID-19 PCR Tests Could Have Huge Impact on US Testing Industry, Says GlobalData

5. VIDEO: COVID Vaccine Adenopathy Can Last Up to 10 Weeks

6. Help Spread Awareness of Potential COVID-19 Vaccine Imaging Side-effects

7. Breast MRI Shows IUDs Have Systemic Effects

8. VIDEO: COVID Vaccine May Cause Enlarged Lymph Nodes on Mammograms

9. GE Healthcare Unveils Vscan Air Wireless Handheld Ultrasound

10. New Research Shatters Age-old Iodine Allergy Myth

11. First Photon-counting CT System Cleared by the FDA

12. 5 Key Trends in Ultrasound Systems

13. Radiology Technology Trends to Watch in 2020

14. Imaging Volumes Continue to Improve Post COVID-19 Closures

15. AI Tool Uses Chest X-ray to Differentiate Worst Cases of COVID-19

16. Siemens Healthineers Completes Acquisition of Varian

17. VIDEO: How to Image COVID-19 and Radiological Presentations of the Virus

18. COVID-19 Vaccination Axillary Adenopathy Detected During Breast Imaging

19. Insight on the Impact of COVID-19 on Medical Imaging

20. Good Machine Learning Practice for Medical Device Development: Guiding Principles from the FDA