Convexal subarachnoid hemorrhage

Last revised by Dr Mohamed Saber on 22 Dec 2020

Convexal subarachnoid hemorrhages (cSAH) are non-traumatic intracranial hemorrhages that occur within the surface sulci of the brain (cf. basal cisternal distribution of aneurysmal SAH).

Pathology

There are various causes of convexal subarachnoid hemorrhage, some of which include:

Differential diagnosis

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Cases and figures

  • Case 1: RCVS
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  • Case 2: RCVS
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  • Case 3: mycotic aneurysm
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  • Case 4: in ischemic stroke secondary to ICA occlusion
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