FIG 5. Patient 6 with oligodendroglioma.

A, Gadolinium-enhanced SE T1-weighted image shows a large left frontotemporal mass (arrow) with only small areas of enhancement in its anterior aspect.

B and C, At 24 hours after ferumoxtran infusion, SE T1-weighted (B) and GRE T2*-weighted (C) images demonstrate no signal intensity changes (arrow), indicating no accumulation of iron.