Subarachnoid Hemorrhage Secondary to Forceful Sneeze

Figure 3

CTA brain showing PCom artery aneurysm. (a) CTA: an aneurysm arising from origin of right posterior communicating artery (PCom) (white arrow); (b) CTA: the aneurysm measured 11 mm in larger dimension with a broad-base/neck of 5 mm and a dome of 3.5 mm (white arrows); (c) vascular reconstruction: right PCom aneurysm on vascular reconstruction imaging (arrowhead) with prominent ipsilateral PCom and correspondingly small/hypoplastic ipsilateral P1 of PCA (posterior cerebral artery).

(a)

(b)

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