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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
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
August 13, 2025 
