Abstract
Background: Distal anterior cerebral artery (ACA) aneurysms occur more frequently in the genu portion and much less frequently in the supracallosal portion (A4–A5). This report describes two cases of ruptured cerebral aneurysms occurring at the supracallosal portion successfully treated with coil embolization. Case Description: Case 1 involved a 61-year-old female with sudden-onset headache and vomiting attributed to subarachnoid hemorrhage (SAH). Digital subtraction angiography (DSA) revealed a bihemispheric ACA and aneurysm in the supracallosal portion. Coil embolization was performed, and the patient was discharged without neurological deficit. Case 2 involved a 35-year-old man with severe headache and disturbance of consciousness caused by SAH. DSA showed an aneurysm in A4 of the accessory ACA, and coil embolization was performed. After rehabilitation, he was discharged with a modified Rankin scale score of 2. Conclusion: Coil embolization for a ruptured aneurysm at the supracallosal portion can yield good results if the patient is appropriately selected.
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