Legend Axial T2 images through the brain show a large irregular tangle of flow voids in the left posterior temporal and occipital lobes, extending across the white matter and cortical surfaces. The feeding arteries arise from the left PCA, and large veins drain toward the brain surface.

Legend Axial T1 Pre/Post Gad and Coronal Post Gad images redemonstrate a large vascular structures in the left posterior temporal lobe and crossing into the occipital lobe. Some contrast enhancement is noted in the center of the lesion. Key words: mri vascular

Brain Diagnosis: Arteriovenous vascular malformation

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