The mnemonic
Tc scans, I treats, F stages
What each word stands for
- TcTechnetium-99m for routine scans
- IIodine-131 for thyroid therapy
- FFluorine-18 FDG for PET staging
Why it matters clinically
Matches isotope to its purpose.
Where it stops being reliable
Many other isotopes exist.
Teaching aid, still awaiting independent review. Confirm facts in a standard source.