Presentation
Adult patient presenting with sudden onset headache and decreased conscious state.
Patient Data
Age: adult
From the case:
Dural arteriovenous fistula - anterior cranial fossa
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Large spontaneous SDH, seen crossing the fronto-parietal suture and extending along the falx. Significant mass effect is present with midline shift.
Subsequent CTA demonstrates abnormal vascular structures extra-axially along the floor of the anterior cranial fossa.
From the case:
Dural arteriovenous fistula - anterior cranial fossa
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Angiography revealed an anterior cranial fossa DAVF with supply from both ophthalmic arteries via ethmoidal branches. No ECA supply.
Case Discussion
A large cortical vein was identified at craniotomy for evacuation of the hemorrhage.