Presentation
Acute onset of severe headache
Patient Data
Age: 50 years
Gender: Male
Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.
From the case:
Perimesencephalic subarachnoid hemorrhage
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Prepontine and right ambient cisternal subarachnoid hemorrhage.
Case Discussion
Non-aneurysmal perimesencephalic hemorrhage is a distinct type of subarachnoid hemorrhage where the source of bleeding is venous. Blood is confined to the basal cisterns around the midbrain.
Cerebral angiogram is negative for an aneurysm.
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