Presentation
Headaches.
Patient Data
Age: 35 years
Gender: Female
From the case:
Developmental venous anomaly
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numerous small curvilinear venous structures in the right cerebellum converging into a larger collecting vein giving the characteristic caput medusae sign, and draining into the trocular herophili in keeping with a developmental venous anomaly.
Case Discussion
MRI features of a developmental venous anomaly (incidental finding in this case)
No associated cavernous malformation which may be seen in ~20% of cases.