CTA Study of Ruptured Aneurysms of the Posterior Communicating Artery

Figure 3

Aneurysm projection in CTA is as folows; (a–b) CTA showing that the aneurysm projected laterally (arrows). (c–d); CTA showing that the aneurysm projected posteriorly (arrows). Abbreviations: CTA: computed tomography angiography; ICA: internal carotid artery.

(a)

(b)

(c)

(d)