PMC10148168_01
PMC10148168_02
A,B,C) T2 coronal view, axial view of T1 contrast and T2 sagittal view respectively of the patient s brain MRI scan demonstrating a sellar space-occupying lesion with moderate contrast enhancement (green block arrow in B) and a hypointense periphery (red line arrow in A)
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F1
Diagnostic assessment: brain magnetic resonance imaging (MRI) done prior to presentation showed a sellar space-occupying lesion with homogenous contrast enhancement and a hypointense periphery (Figure 1 A,B,C).
rotated sagittal views of arterial phase on CT angiogram demonstrating the left posterior communicating artery aneurysm (blue line arrow)
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F2
Investigation with a 3-dementional computed tomography (CT) angiogram revealed an adjacent saccular left posterior communicating aneurysm (Figure 2 A,B).
at surgery; aneurysm immediately before and after clip application; A) oculomotor nerve (thin arrow); left PCOM aneurysm (thick arrow); B) application of temporal clip on left ICA for vascular control; C) application of permanent clip across the neck of left PCOM aneurysm
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F3