Developmental venous anomaly

Case contributed by Ian Bickle
Diagnosis almost certain


Epilepsy. Underlying cause?

Patient Data

Age: 20 years
Gender: Female



Moderate sized left cerebellar developmental venous anomaly with a 4mm vein recruited from the left transverse sinus.

The remainder of the intracranial appearances are normal.

Case Discussion

Classical appearance of a developmental venous anomaly (DVA) with the caput medusae appearance. This is often an incidental finding on MR imaging. The DVA is best appreciated on MIP SWI images.

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