PMC5858053_01
Clinical presentation. (a) Left side CN III palsy. (b) Computed tomography scan with predominantly left side subarachnoid hemorrhage. (c) Right and (d) left internal carotid artery angiograms showing right P1-P2 junction aneurysm
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F1
His left pupil was also fixed and measured 5 mm [Figure 1]. He subsequently underwent emergent placement of a right-sided external ventricular drain and was rushed to the angiography suite where a 5 mm x 3.5 mm right P1-P2 junction aneurysm was identified [Figure 1].