Developmental venous anomaly - pons
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Single axial MIP image demonstrating curvilinear, brilliantly enhancing, branching structures seen in the right cerebellum and the pons.
This DVA courses through the pons, with a second DVA in the right cerebellar hemisphere.
Developmental venous anomaly (DVA), also known as cerebral venous angioma, is a congenital malformation of veins which drain normal brain. They were thought to be rare before cross-sectional imaging but are now recognized as being the most common cerebral vascular malformation, accounting for ~55% of all such lesions.