FIG 2. Group 2. MR images obtained 2 hours after cat brains were embolized with oleic acid group show type 1 (solid arrow) and type 2 (open arrows) lesions.

A, T2-weighted (3000/96/2) image. Type 1 lesions have mild hyperintensity. Type 2 lesions are hyperintense.

B, Contrast-enhanced T1-weighted (320/30/2) image. Type 1 lesions show less enhancement than do type 2 lesions, which show strong enhancement.

C, Diffusion-weighted image. Type 1 lesions are hyperintense. Type 2 lesions have isointensity or mild hyperintensity.

D, ADC map. Type 1 lesions are hypointense. Type 2 lesions are isointense.