Table 2 Etiology of hydrocephalus

Arnold-Chiari Malformation Type II^*

3

11.5

Arnold-Chiari Malformation Type III^*

1

3.8

Joubert Syndrome and Dandy-Walker Syndrome^*

1

3.8

Congenital Hydrocephalus with Intraventricular Hemorrhage^*

1

3.8

Dandy-Walker Syndrome^*

3

11.5

Myelomeningocele^*

1

3.8

Atypical Teratoid/Rhabdoid Tumor (ATRT)

1

3.8

Craniopharyngioma

3

11.5

Pilocytic Astrocytoma

3

11.5

High-Grade Glioma

1

3.8

Hydrocephalus Secondary to Intraventricular Hemorrhage (IVH)

1

3.8

Left Cerebral Peduncle Cavernoma

1

3.8

Left Temporal Arachnoid Cyst

1

3.8

Medulloblastoma

2

7.7

Post-IVH Hydrocephalus

1

3.8

Suprasellar Astrocytoma

1

3.8

Suprasellar Glioma

1

3.8

Total

26

100.0