TABLE 1:

Overview of clinical and diagnostic features and therapy in the 10 patients with cerebral micro-AVMs

Patient No./Age (y)/Sex	Neurologic Presentation	Hematoma Location and Size	Nidus	Feeder Vessel	Drainage	Therapy	Clinical Follow-Up Findings
1/43/F	Prodrome (1 mo), headache, vomiting, R hemianopsia	L occipitoparietal lobe, subarachnoid hemorrhage, 21.98 cm³	Cortical	L parieto-occipital branch of PCA	Deep	Surgery (endovascular therapy failed)	R inferior quadrantanopia, 12 mo
2/31/M	Prodrome (1 wk), transitory aphasia, seizure	L temporoparietal lobe, 6.18 cm³	Cortical	L angular branch of MCA	Superficial	Endovascular, 2 sessions	Occasional word-finding difficulties, 24 mo
3/60/F	R paresthesias, R arm hypesthesia and paresis	L parietal lobe, 4.13 cm³	Cortical	R superior parietal branch of CA	Superficial ectasia	Endovascular	Clumsiness of R upper extremity, 24 mo
4/41/M	Headache, R hemiparesis	L frontal lobe, 8.15 cm³	Cortical	L paracentral branch of CA	Superficial stenosis	Endovascular	R limp, 24 mo
5/57/M	Coma (GCS 4), L hemiparesis	R temporoparietal lobes, 35.15 cm³	Cortical	R temporal branch of MCA	Deep	Surgery	L hand plegia, walking with brace, 4 y
6/48/F	Coma (GCS 12), hemorrhagic ictus (possibly 13 y previously)	R temporal lobe, intraventricular, 3.0 cm³	Deep	R posterior temporal branch of PCA	Deep	Endovascular (surgery failed)	Mild cognitive impairment, 24 mo
7/43/M	Visual disturbances, seizure	R temporal lobe, 9.18 cm³	Cortical	R middle temporal branch of MCA	Superficial ectasia	Surgery	Seizures >30 d postoperatively, 24 mo
8/65/F	Coma (GCS 8)	Inferior cerebellar vermis, 15.18 cm³	Cortical	R PICA and 2 aneurysms	Superficial	Endovascular	None, 24 mo
9/38/M	Dizziness, headache, vomiting	R cerebellar tonsil, 3.18 cm³	Cortical	R PICA	Superficial	Surgery	None, 24 mo
10/50/F	R hemiplegia, seizure, hemorrhagic ictus (possibly 8 y before)	L frontoparietal lobe, 10.5 cm³	Cortical	L ascending parietal branch of MCA	Superficial	Surgery (endovascular therapy failed)	R hand weakness and numbness, 2 mo

Note.—GCS indicates Glasgow Coma Scale score; CA, callosomarginal artery; MCA, middle cerebral artery; PCA, posterior cerebral artery; PICA, posterior inferior cerebellar artery.