FIG 3. Meningioma.

A, Axial T1-weighted image demonstrates a hypointense left extraaxial parasellar lesion.

B, Initial coronal gadolinum-enhanced T1-weighted image demonstrates intense uniform enhancement of the lesion.

C, Subsequent axial gadolinum-enhanced T1-weighted image demonstrates similar uniform enhancement characteristics in contrast to the heterogeneous centripetally "filling-in" enhancement pattern exhibited by the cavernous hemangioma.

D, Three-hour axial-labeled red cell blood pool SPECT images demonstrate a photopenic left cavernous sinus region.