Neuroimaging features of clinically relevant metals
| Metal | T1 Appearance | T2 Appearance | Other Features |
|---|---|---|---|
| Ca2+ | Hypo-/hyperintense | Hypointense | Hyperdense on CT |
| Fe3+ | Isointense | Hypointense | Isodense on CT |
| Mn2+ | Hyperintense | Isointense | |
| Cu2+ | Iso-/hyperintense | Hypo-/hyperintense |
Note:—Mn2+ indicates manganese ions; Cu2+, copper ions.