1,2 & 3: Axial T1WIs without (1) and with gadolinium (2 & 3) demonstrate
heterogeneous areas of the signal abnormality in the right cerebellum.
4, 5 & 6: Repeat Axial enhanced T1WIs and T2WI of the same patient reveal
disappearance of the lesions.
Key words: mri flow artifact
Vascular flow artifact from sigmoid sinus
(4 & 5 - Phase in AP direction)