T2-weighted sequences demonstrate smooth hypointensity and moderate
thickening diffusely of basal brain pia mater.
Gradient echo sequences (top and bottom left) and T2-weighted sequences
confirm smooth hypointensity and moderate thickening of the pia mater lining
the basal brain and cervical spinal cord.
Key words: mri hemorrhage leptomeningeal
Pial siderosis - chronic cocaine