MRI
Herniated cerebel...
Sagittal T2
Herniated cerebellar tonsils through the foramen magnum by around 3 cm. Engorgement of the venous sinuses and cortical vein (an expected finding in as a result of negative CSF pressure).
Modality: MRI (T2)

- “ The presence of downward tonsillar descent in a child usually put Chiari malformation as the first possibility. But with the absence of the other ...”

Used in the following article:

  • Tonsillar herniation - “ Tonsillar herniation is a type of cerebral herniation characterised by the inferior descent of the cerebellar tonsils below the foramen magnum. P...”

View full size version of Acquired tonsillar ectopia

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