Whole-body MRI screening
DEGanzkörper-MRT-Screening
Whole-body MRI (WB-MRI) scans you from head to pelvis (brain, neck, chest, abdomen, pelvis) in one session, with no radiation. It takes about 45 to 90 minutes and shows soft tissue, organs, and bone marrow together. It earns its place in a few specific situations, like watching people with high-risk cancer syndromes (Li-Fraumeni, BRCA2) or staging multiple myeloma. But for screening healthy people with no symptoms, the evidence is not there. No randomized trials show that commercial 'longevity scans' actually cut illness or death. And there is a real downside: these scans turn up incidental findings (called incidentalomas) in 30 to 50% of healthy people, which can trigger a cascade of more scans, biopsies, and treatments you never needed. Major radiology and cancer groups do not recommend WB-MRI for routine screening outside defined high-risk genetic groups.
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Sources
- Petralia G, Zugni F, Summers PE, Colombo A, Pricolo P, Grazioli L, Colagrande S, Giovagnoni A, Padhani AR. (2021). Whole-body magnetic resonance imaging (WB-MRI) for cancer screening: recommendations for use. *La Radiologia Medica*doi:10.1007/s11547-021-01392-2
- Littlejohns TJ, Holliday J, Gibson LM, et al.. (2020). The UK Biobank imaging enhancement of 100,000 participants: rationale, data collection, management and future directions. *Nature Communications*doi:10.1038/s41467-020-15948-9