Table 1:

Demographic data for 34 patients with untreated intracranial AVM

Patient No.SexAge at MR Imaging (years)Location of NidusHemorrhagePerifocal HyperintensityNeurologic SymptomsSpetzler-Martin Grade
1F29Right occipitalNoNoNo2
2M31Right frontalNoNoNo1
3F27Left occipitalNoYesRight homonymous hemianopsia3
4M64Right occipitalNoNoNo2
5M49Left frontalNoYesNo2
6M72Left parietalNoNoNo1
7M25Left occipitalNoNoNo2
8M45Right frontalNoYesNo3
9M28Left frontalNoNoNo3
10M49Left putamenNoNoNo2
11M25Right temporalNoYesNo2
12M28Right occipitalNoNoLeft lower quadranopsia4
13F5Left parietalNoNoNo1
14M59Right frontalNoYesNo1
15F28Right parietalNoNoNo2
16M45Left cingulumNoNoNo2
17F33Right cingulumNoNoNo4
18F29Left frontalNoNoNo2
19M28Right insulaNoNoNo4
20F17Left cerebellumNoYesCerebellar ataxia3
21F20Left frontalNoNoNo3
22F45Right occipitalYesNoNo3
23F29Left occipitalYesNoNo2
24M22Right cerebellumYesNoCerebellar ataxia4
25F15Right occipitalYesNoNo3
26F56Right cerebellumYesYesCerebellar ataxia, right trigeminal palsy1
27M45Right parietalYesYesRecent memory disturbance3
28F21Right occipitalYesYesLeft upper quadranopsia2
29F27Right parietalYesYesLeft hemianopsia2
30F6Right frontalYesYesLeft hemiparesis (MMT4/5)2
31M38Right parietalYesNoLeft hemiparesis (MMT 4/5)2
32M50Left frontalYesYesMotor aphasia5
33F23Right frontalYesYesLeft hemiparesis (MMT 4/5)2
34M48Left parietalYesYesRight hemiparesis (MMT 3/5), right spatial neglect3
  • Note:—M indicates male; F, female; MMT, manual muscle testing. Patients 1–21 were without intracranial hemorrhage, and patients 22–34 displayed hemorrhage.