TableĀ 1

Clinical presentation in different age groups

VariableNo of patients
Neonates6
Congestive heart failure4
Asymptomatic pulmonary arterial hypertension1
Melting brain syndrome1
Infants and children25
Increasing head size13
Developmental delay10
Seizures8
Vision loss1
Proptosis3
Epistaxis2
Feeding difficulty1
Adults5
Headache5
Vomiting3