Spontanous intracranial hypotension complicated by cerebral venous thrombosis
Presentation
Orthostatic headache, vomiting and blurring of vision for 12 days.
Patient Data
Axial and sagittal T1 show an absence of normal flow void of the right sigmoid, both transverse and superior sagittal sinuses. MR venography reveals venous sinuses thrombosis.
Sagittal T1 shows minimal brain sagging.
There is dural thickening with pachymeningeal enhancement and minimal leptomeningeal enhancement in T1 with contrast.
Case Discussion
The patient underwent a lumbar puncture with a CSF opening pressure: 6 cmH2O.
Fundus examination shows bilateral normal optic disc.
The patient was diagnosed with spontaneous intracranial hypotension complicated by cerebral venous thrombosis.
This is an uncommon but recognized complication of intracranial hypotension. The cause of hypotension is not evident.
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