Angiographic characteristics and anatomic locations of the seven treated AVMs

Patient No.Age (yr)/SexPresentationLocationSize (cc)Feeding VesselsVessels StudiedStagesDose (Gy)
159, FSeizures, stealR frontoparietal20R ACA and PCA leptomeningeal collaterals, lenticulostriates, lateral postchoroidalR vertebral, R CCA215
266, FSubarachnoid hemorrhageCallosal7L ICA callosal branches, L PCA choroidal and splenial branchesR vertebral, L ICA116
328, FHemorrhageL thalamus4.5L anterior choroidal, posterolateral choroidalL ICA, L vertebral120
456, FHemorrhageR frontal18R ACA and MCA lenticulostriates, HeubnerR ICA, L ICA215
525, FHemorrhage, seizuresL medial temporal20L MCA and PCA temporal branches, L anterior and posterior choroidalL ICA, L vertebral215
628, MHemorrhageL basal ganglia and ventricular atrium8L MCA lenticulostriate, L PCA posterolateral choroidalL vertebral, L ICA116
754, MSeizureL lateral ventricle, L choroid fissure, quadrigeminal cistern24R ICA splenial vessels, L MCA leptomeningeals, L PCA vessels to choroidal fissure and quadrigeminal cisternR ICA, L ICA213
  • Note.—F indicates female; M, male; R, right; L, left; ACA, anterior cerebral artery; PCA, posterior cerebral artery; ICA, internal carotid artery; MCA, middle cerebral artery; CCA, common carotid artery.