"Gradient echo sequences (such as DWI or T2*GE) are more prone to this type of artifact compared to turbo spin-echo sequences 4."
"Ferromagnetic materials contain large solid or crystalline aggregates of molecules with unpaired electrons and exhibit “magnetic memory”, by which a lingering magnetic field is created after their exposure to an external magnetic field. Examples of ferromagnetic metals include iron, nickel, and cobalt, all of which distort magnetic fields, thereby causing severe artifacts on MR images."
Expected headings
"Types of magnetic susceptibility"
"Diamagnetic"
"Paramagnetic"
"Superparamagnetic"
"Ferromagnetic"