Figure 2.

Variety of contrast enhancing lesions in a patient with RRMS during a clinical relapse. (A) shows numerous small, nodular contrast enhancing lesions (black arrow) and a small ring enhancing lesion (white arrow) in a T1 weighted post contrast image (left image), correlating to the hyperintensities on T2 weighted images (right image). Images in (B) show a larger ring enhancing lesion in the right frontal lobe on the T1 weighted post gadolinium contrast images (left image) with multiple older lesions appearing on FLAIR imaging (right image).