Intracranial hypotension

Case contributed by Ammar Haouimi
Diagnosis almost certain

Presentation

Dizziness, unsteadiness and headache in hypertensive a patient with cardiomyopathy. No context of alcoholism or malnutrition.

Patient Data

Age: 70 years
Gender: Male
mri

The MRI sequences demonstrate:

  • bilateral and extensive dural thickening with enhancement over the cerebral hemispheres and the posterior fossa with small size of the ventricular system and subarachnoid space (disproportional to the patient's age) in keeping with intracranial hypotension
  • extensive white matter FLAIR and T2 hyperintensity is noted throughout both cerebral hemispheres and brainstem suggestive of chronic small vessel ischemia, particularly in a patient with hypertension. Pituitary prominent considering the age group. On GE sequence, no punctate areas of blooming artifact to suggest microhemorrhages of cerebral amyloid angiopathy or hypertension
  • small areas of acute infarct with restricted diffusion in the left cerebellum, splenium, left centrum semiovale and frontal precentral region

Case Discussion

MRI features of intracranial hypotension with cerebral small vessel disease and acute small white matter infarcts in a hypertensive patient with cardiomyopathy.

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