Table 1.

Aneurysms arising on posterior inferior cerebellar arteries with extradural C2-origin

Source	Age/sex	Presentation	Aneurysm location	Side	Treatment	Complications	Aneurysm at FU	Outcome
Tanaka et al. [9] (1993)	39/F	SAH, hydrocephalus	Proximal EC	Left	SOC, lam, clipping	Left parietal infarct	CO	Aphasia,
Abe et al. [3] (1998)	22/M	SAH, hydrocephalus	Proximal EC	Right	PAO, coiling	Vasospasms	CO	No deficits
Kim et al. [10] (2001)	53/F	SAH, IVH, hydrocephalus	IC	Left	TCA, C1-lam, clipping	None	CO	No deficits
Tabatabai et al. [4] (2007)	19/M	IVH	Proximal EC	Right	SOC, C1-lam, clipping	None	CO	No deficits
Bhat et al. [8] (2009)	35/F	IVH	Distal EC	Bilateral*	SOC, C1-lam, clipping	None	CO	No deficits
Dikshit et al. [7] (2021)	51/M	SAH, IVH	Proximal EC	Right	C1-2-lam, clipping	None	No data	No deficits
Present case	55/F	SAH, IVH, hydrocephalus	Proximal EC	Right	SAO, coiling	Proximal PICA dissection	CO	No deficits

FU, follow-up; F, female; SAH, subarachnoid hemorrhage; EC, extracranial; SOC, suboccipital craniectomy; lam, laminectomy; CO, complete occlusion; M, male; PAO, parent artery occlusion; IVH, intraventricular hemorrhage; IC, intracranial; TCA, transcondylar approach; SAO, selective aneurysm occlusion; PICA, posterior inferior cerebellar artery.

^*Rupture of the left aneurysm.