Comparison of ultra-small particle iron oxide (USPIO) versus gadolinium MRI to detect multiple sclerosis brain lesions with macrophage infiltration and/or blood–brain barrier permeability

No. of Patients Out of 10No. of MRI Brain Lesions (n = 57)
USPIO total933
Gadolinium total755
USPIO and gadolinium731
USPIO only22
Gadolinium only724