• 49 yrs, M
• Seizures on the morning of admission
• Vitals stable
• No focal deficit
• A CT done at admission showed SAH with flocculent surface hematoma in the left anterior frontal region…significantly there was no blood in the basal cisterns
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• NCCT at admission
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• Enlarged images of the NCCT
• A cerebral DSA was done which showed thrombosis of anterior part of the superior sagittal sinus, partial thrombosis of the inferior sagittal sinus with hypoplastic left transverse and sigmoid sinuses
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• Right ICA angiogram
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• Left ICA angiogram
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• Left and right vertebral angiogram
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• Right middle meningeal had anomalous origin from right petrous ICA
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• Left ECA angiogram showed blush from the middle meningeal artery in the region of the thrombosed superior sagittal sinus

Patient was put on heparin after this

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• NCCT next morning showed significant resolution of the SAH.
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• Enlarged images of the NCCT
• The patient had an uneventful recovery and was discharged in a stable condition, on Warfarin.