Whole-Body MRI: Evidence Gap Widens
Two radiologists argue the for-profit scan industry has outrun the evidence — and the math warrants scrutiny.
By
Kerri Miller
May 18, 2026
1
Whole-body MRI screening lacks evidence of net clinical benefit, with a 30% chance of generating uncertainty rather than answers.
2
No major medical society recommends whole-body MRI for the general population due to low likelihood of identifying treatable diseases.
3
The authors compare whole-body MRI to South Korean thyroid cancer screening, which led to increased diagnoses without reducing mortality.
4
Most cancers detected by whole-body MRI are low risk or advanced, with no evidence that screening improves quality of life or survival.
5
The authors emphasize the importance of informed consent and recommend discussing the limitations of whole-body MRI with patients.
