Anterior fontanel meningoencephalocele. Report of a case.

The authors report an extraordinary meningoencephalocele, 20 em in diameter, presenting through the anterior fontanel in a neonate. Craniolacunae were noted on plain skull films and severe parenchymal abnormalities were demonstrated by cerebral angiography and pneumoencephalagraphy, Surgical excision of the meningoencephalocele permitted the infant to leave the hospital but severe cranial abnormality indicates a poor prognosis.