Although surgery is the treatment of choice, it must be preceded by imaging studies to exclude an intracranial connection. Potential complications include meningitis and a cerebrospinal fluid leak. Recurrences or more correctly persistence may be seen in up to 30% of patients if not completely excised.
Nasal glial heterotopia
Basilar invagination
Gray matter heterotopia
Dysembryoplastic neuroepithelial tumour
Cranio-lenticulo-sutural dysplasia
Germinal matrix hemorrhage
Cystic hygroma
Choroid plexus papilloma