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Table 1 Reports of ruptured aneurysms at the main trunks of the Willis cycle with a presentation of isolated ICH and/or IVH

From: Aneurysmal isolated intracerebral hemorrhage and/or intraventricular hemorrhage without subarachnoid hemorrhage: a rare and perplexing scenario in neurosurgical practice

First author (year) (Age/sex) CT finding Parent artery Size GCS score at admission Predisposing factors Management Discharge GOS score
Scott BA (1988) [4] 54 years/M ICH Right PCA 25 mm NA/NM NA/NM Conservative 1
48 years/F ICH Right PCA 25 mm NA/NM NA/NM Conservative 1
Thai QA (2005) [1] 62 years/F ICH, IVH Left PComA 25 mm 9 NA/NM Clip 5
49 years/F ICH Left MCA 15 mm 7 NA/NM Clip 4
69 years/F ICH Right PComA 10 mm 15 NA/NM Clip 5
70 year/F ICH Left MCA 15 mm 12 NA/NM Clip 4
46 years/F ICH, IVH Right MCA 24 mm 8 NA/NM Clip 1
58 years/M ICH Left PComA 8 mm 15 NA/NM Clip 5
14 years/F ICH Left P2 25 mm 15 NA/NM Clip 5
3 months/M ICH Left MCA 40 mm 14 NA/NM Clip 5
45 years/F ICH Left PComA 10 mm 10 NA/NM Clip 3
54 years/F ICH Left PComA 3 mm 15 NA/NM Clip 4
51 year/F ICH Right PComA 12 mm 7 NA/NM Clip 3
50 year/M IVH BA 24 mm 4 NA/NM Clip 2
47 years/F ICH, IVH Right PComA 6 mm 4 NA/NM Clip 1
Park J (2007) [5] 41 year/F ICH Right MCA Bifurcation NA/NM NA/NM Hypertension Clip NA/NM
Takeuchi S (2009) [6] 47 years/M ICH Left MCA Bifurcation 10 mm 6 Hypertension, Clip 3
Yamamoto N (2011) [7] 55 years/M ICH Left ICA Bifurcation 6 mm 14 Hypertension Coil 4
Matano F (2014) [8] 64 years/M ICH Right MCA NA/NM NA/NM No Clip 3
Present cases 73 years/M ICH Left MCA 3 mm 11 No Clip 3
59 years/M ICH AComA 2.2 mm 15 No Clip 5
  1. M male, F female, GCS Glasgow Coma Scale, GOS Glasgow Outcome Scale, ICH intrcerebral hemorrhage, IVH intraventricular hemorrhage, PCA posterior cerebral artery, PComA posterior communicating artery, MCA middle cerebral artery, P2 posterior cerebral artery (segment 2), BA basilar apex, ICA internal carotid artery, AComA anterior communicating artery, NA/NM not applicable/not mentioned