Legend Axial T2 weighted images reveal signal abnormality involving both cerebellar hemispheres and subtle hyperintensity in the pons.

Legend 3D TOF MIP images (left) show a focal area of dilatation of the right vertebral artery with narrowing of the distal vertebral and proximal basilar arteries. The source images (right) show the focal dilatation of the right vertebral artery. Key words: mri mra stroke ischemia vascular

Brain Diagnosis: Vertebral dissection with pseudoaneurysm & basilar stenosis