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Axial T2
Axial T1
Sagittal T2
Coronal T2
MRI
Axial T2
Axial T1
Sagittal T2
Coronal T2
Brain MRI shows diffuse swelling of cerebral gyri and cerebellar cortex, appears hypointense on T1WI and hyperintense on T2WI, with effacement of sulci and CSF cisterns surrounding brain stem.
In addition bilateral medial part of temporal lobes protruding through tentorium, and inferior descent of cerebellar tonsils below the foramen magnum.