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Typical MR imaging features of an arteriovenous malformation in a 50-year-old male patient with HHT. Axial T2-weighted imaging demonstrates a cluster of flow voids in the left occipital lobe, in keeping with a vascular nidus (A). A linear flow void of the dilated draining vein is seen inferior to the nidus on axial T2 (B) and coronal postcontrast T1-weighted imaging (C). Axial MRA MIP demonstrates a compact glomerular-type nidus in the left occipital lobe (D).
