Rupture of distal anterior cerebral artery aneurysm presenting only subdural hemorrhage without subarachnoid hemorrhage: a case report

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Table 1 Summary of the cases of pure aSDH (without SAH) caused by ACA aneurysm rupture

Authors	Age/sex	Signs and symptoms	Site of aSDH	Site of aneurysm	Treatment	Outcome (GOS)
Watanabe et al. (1991)	51, M	Coma	Convexity and interhemispheric	Distal ACA	Evacuation and clipping	D (1)
Ragland et al. (1993)	55, M	Coma	Convexity	AcomA	Evacuation	D (1)
Hatayama et al. (1994)	55, M	Coma	Convexity and interhemispheric	Distal ACA	Evacuation and clipping	GR (5)
Hatayama et al. (1994)	66, F	Coma	Convexity and interhemispheric	Distal ACA	Evacuation and clipping	MD (4)
Katsuno et al. (2003)	63, F	Headache, nausea	Convexity and interhemispheric	Distal ACA	Evacuation and clipping	GR (5)
Gilad et al. (2007)	47, M	Nausea, vomiting	Sella, spinal canal	AcomA	Coiling^a	GR (5)
Tomaya et al. (2012)	54, M	Headache, nausea	Convexity and tentorium	A1–A2 junction	Evacuation and clipping	GR (5)
Present case 2015	48, F	Headache	Convexity and interhemispheric	Distal ACA	Evacuation and clipping	GR (5)

AcomA anterior communicating artery, ACA anterior cerebral artery, aSDH acute subdural hematoma, SAH subarachnoid hemorrhage, A1–A2 = anterior cerebral artery 1–2 portion, GOS Glasgow outcome scale [D = dead (1), PVS persistent vegetative state (2), SD severe disability (3), MD moderate disability (4), GR good recovery (5)]
^aThe patient underwent only coiling and was discharged 5 days afterward