Case Notes
History
53 yo female with dizziness and gait imbalance. Prior history of breast cancer. Meningeal biopsy=nonspecific organizing pachymeningitis on biopsy.Exam
Post contrast T1-w MR
Prior Study
T2-w spin-echo axial MR1. Significant external hydrocephalus with features of significantly increased CSF pressure including early downward herniation effects.
2. No definable cause for the hydrocephalus is evident on this MR sequence.
Sagittal post contrast MR
1. Obstructive type of external hydrocephalus with early downward herniation effects clearly delineated and graded, as above.
MR flair
1. Significant external hydrocephalus with features of significantly increased CSF pressure including early downward herniation effects.
2. No definable cause for the hydrocephalus is evident on this MR sequence.