PMC3551501_01
Case 1: (a) Computerized tomography (CT) scan shows subarachnoid hemorrhage (SAH) (arrow) in the prepontine and sylvian fissures and (b) pre-procedure digital subtraction angiogram reveals saccular A1 aneurysm (arrow) on the right side
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F1
Digital Subtraction Angiography (DSA) showed the presence of A1saccular aneurysm on the right side [Figure 1 ab]. Microcatheter (Echelon-10, eV3) over microwire (Expedion 14, eV3) was navigated into the sac of the aneurysm [Figure 1 c, d, and e].
PMC3551501_02
(c) Microcatheter is shown positioned in the sac of the aneurysm (arrow) and (d) the post-procedure angiogram shows exclusion of the aneurysm (arrow) from the circulation with (e) the coil mass in the aneurysm (arrow)
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F2
CT scan [Figures 2a] showed hemorrhage in the left frontal lobe with intraventricular extension (Fischer Grade IV). DSA was done subsequently which revealed a bilobed ICA bifurcation aneurysm on the left side [Figure 2b]. After placement of the second coil and balloon deflation, a small loop of a previously detached coil was seen projecting into the parent vessel [Figure 2 c-f] on the check angiogram.