A 9-year old girl presented with headaches. Slight left sided weakness was present on examination.

T1-weighted axial images. Note the numerous dark flow voids in the right basal ganglia / thalamus that enhance with contrast. These are dilated vessels of the AVM. AVMs typically present with headaches, seizures or intracranial hemorrhage.

Revised 04/23/06.
The Electronic Curriculum is copyrighted 1998,  Case Western Reserve University School of Medicine.