<unk> s occur rarely, at a rate of one per 5,000 live births worldwide.<unk> s of the back of the head are more common in Europe and North America, while<unk> s on the front of the head more frequently occur in Southeast Asia, Africa, Malaysia, and Russia. Ethnic, genetic, and environmental factors, as well as parental age, can all affect the likelihood of<unk> s. The condition can occur in families with a family history of spina bifida.
Encephalocele
Sialocele
Omphalocele
Subdural hygroma
Chorionic hematoma
Lateral meningocele syndrome
Cystic hygroma
Lipomeningomyelocele