The demographics of our series of congenital pial fistulas to demonstrate the sex distribution, age at presentation and treatment, the location and presenting symptoms.
| Patient | Sex | Age at Dx (months) | Age at Rx (months) | Interval (months) | Presentation | Location |
| 1 | F | Prenatal | 4 | 4 | Prenatal screening, ventriculomegaly | L medial temporo-occipital |
| 2 | F | 3 weeks | 3 weeks | 0 | ICH | L posterior temporal |
| 3 | F | 14 | 16 | 2 | Prominent facial veins | R posterior temporal |
| 4 | M | Neonate | 10 | 10 | CHF, pulmonary HT | L medial temporal |
| 5 | M | 24 | 24 | 0 | Seizures | R medial frontal |
| 6 | M | 7 | 9 | 2 | Macrocephaly, seizures | L posterior temporal |
| 7 | F | 7 | 10 | 3 | Macrocephaly, developmental delay | R cerebellar |
| 8 | F | Neonate | 7 | 7 | CHF, bluish discoloration | L occipital |
| 9 | F | 18 | 21 | 3 | Staring spells, breathlessness | L cerebellar |
| 10 | M | 62 | 63 | 1 | Headache | L temporoparietal |
| 11 | M | 36 | 48 | 12 | Headache, right hemiparesis | L frontoparietal |
| 12 | M | 20 | 20 | 0 | Seizures | R medial pareito-occipital |
| 13 | F | Neonate | 0 | 0 | CHF | R medial temporal |
| 14 | F | Prenatal | 0 | 0 | CHF | L parasagittal |
| 15 | F | 48 | 48 | 0 | ICH | R cerebellar |
| 16 | M | 60 | 63 | 3 | Increased head circumference | R cerebellar |
| Cutaneous markers, FH of AVM |
AVM, arteriovenous malformation; CHF, congestive heart failure; FH, family history; F, female; HT, hypertension; ICH, intracerebral hemorrhage; L, left; M, male; R, right.