A Rare Giant Nasofrontal Meningoencephalocele with Nasal and Visual Obstruction.

The encephalocele is a malformation that is manifested by the protrusion of brain tissue through a defect in the skull. The meningoencephalocele contains the meninges and brain tissue. Frontoethmoidal or nasal meningoencephalocele is rare; the frequency is approximately one in 40,000 live births.