Mixed vascular malformation
Headaches that get steadily worse.
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At the right basal ganglia, there is a well circumscribed lesion with heterogeneous signal but signal loss and blooming on gradient echo consistent with a cavernoma associated with a developmental venous anomaly. Also there is a foci of low signal on GRE sequence in the parietal region consistent with an hemosiderin deposit.
The term mixed vascular malformation is used when there are two types of vascular malformation in the same person, such as in this case (cavernoma and developmental venous anomaly). The cavernoma is usually responsible for the symptomatic presentation.