Congenital hydrocephalus

Hydrocephalus is a condition in which an accumulation of cerebrospinal fluid (CSF) occurs within the brain. This typically causes increased pressure inside the skull. [Source: Wikipedia ]

OrphaNet reference
Congenital hydrocephalus 
May Be Caused by
Acrocephalosyndactyly Pfeiffer type
Apert syndrome
Chiari II malformation
Crouzon syndrome
Dandy-Walker syndrome
Fetal alcohol syndrome
Fetal toxoplasmosis infection
Hunter syndrome
Hurler syndrome
Mucopolysaccharidosis type 6
Severe osteopetrosis
Thanatophoric dysplasia
Aase-Smith syndrome
Acrocallosal syndrome
Acromesomelic dysplasia
Aicardi syndrome
Aminopterin fetopathy
Amniotic band syndrome
Aplasia cutis congenita
Biemond syndrome type 2
Bobble-head doll syndrome
Caudal regression syndrome
Cloverleaf skull deformity
Cockayne syndrome
Craniodiaphyseal dysplasia
Craniometaphyseal dysplasia
Diencephalic syndrome
Epidermal nevus syndrome
Farber disease
Fetal isotretinoin syndrome
Fetal varicella infection
Gorlin syndrome
Greig cephalopolysyndactyly syndrome
Hajdu-Cheney syndrome
Hydrolethalus syndrome
Incontinentia pigmenti
Infant of diabetic mother
Kasabach-Merritt syndrome
Klüver-Bucy syndrome
Meckel syndrome
MELAS syndrome
Metachromatic leukodystrophy
Metatropic dysplasia
Miller-Dieker syndrome
Mulibrey nanism
Neu-Laxova syndrome
Neurocutaneous melanosis
Oculo-auriculo-vertebral spectrum
Orofaciodigital syndrome type 1
Osteogenesis imperfecta
Otopalatodigital syndrome type 2
Pseudotrisomy 13 syndrome
Rieger syndrome
Riley-Day syndrome
Roberts syndrome
Sjögren-Larsson syndrome
Smith-Lemli-Opitz syndrome
Sotos syndrome
Trisomy 13
Tuberous sclerosis
VATER association
Walker-Warburg syndrome
Warfarin embryopathy
X-linked hydrocephalus
Zellweger syndrome