From the case: Mega cisterna magna

MRI
Axial T2
Modality: MRI (T2)

- “ Incidental mega cisterna magna. Images at higher levels confimed the presence of a normal posterior fossa and vermis distinguishing it from a Dand...”

Used in the following article:

  • Dandy-Walker malformation - “ Dandy-Walker malformation (DWM) is the most common posterior fossa malformation, characterized by the triad of: hypoplasia of the vermis and ceph...”
  • Mega cisterna magna - “ Mega cisterna magna refers to a normal variant characterized by a truly focal enlargement of the CSF-filled subarachnoid space in the inferior and...”
  • Enlarged posterior fossa 'CSF' space - “ An enlarged posterior fossa 'CSF' space posterior to the cerebellum has a number of differentials that include: mega cisterna magna epidermoid c...”
  • Arachnoid cyst - “ Arachnoid cysts are relatively common benign and asymptomatic lesions occurring in association with the central nervous system, both within the in...”

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