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An 80-year-old man with HHT. Axial T2 FLAIR image shows porencephaly with surrounding gliosis (A, yellow circle) and an AVM in the left superior temporal gyrus (A, red arrow). Coronal volume T1 image shows porencephaly (B, yellow circle) partially lined by polymicrogyria (B, red arrow). Axial T2 FSE image shows flow voids associated with a small AVM (C, red arrow).
