Mega-cisterna magna

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A rare non-syndromic posterior fossa malformation characterized by a cisterna magna that measures above 15 mm in length 5 mm in height and 20 mm in width (or greater than 10 mm in fetuses) associated with a normal cerebellar vermis and absence of hydrocephalus. The majority of patients are asymptomatic; however variable neurodevelopmental outcomes including delayed speech and language development motor development delay visiospatial perception difficulties and attention problems has been observed in some patients.

Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview. Reference: Access aggregated data from Orphanet at Orphadata. Orphadata: Free access data from Orphanet. © INSERM 1999. Available on Data version July 2024

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Mega-cisterna magna?

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