PMC10316150_01
Images during the time of admission (a and b) Magnetic resonance diffusion-weighted images at the time of admission showing cerebral infarction of the temporal and parietal lobes. (c) Magnetic resonance angiograph showing left M2 occlusion.
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F1
In addition, head magnetic resonance imaging showed cerebral infarction of the left temporoparietal lobes and occlusion of the left M2 inferior trunk [Figure 1].
(a) Preoperative images. Computed tomography images showing subarachnoid haemorrhage and massive cerebral haemorrhage in the left hemisphere. (b) Preoperative images. Contrast-enhanced computed tomography images showing a large aneurysm in the proximal middle cerebral artery. The neck of the aneurysm appears to be lacking.
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F2
Non-contrast computed tomography (CT) of the head showed massive cerebral hemorrhage in the left hemisphere and subarachnoid hemorrhage [Figure 2].
(a) Intraoperative photograph showing a temporary clip on M1 and a large aneurysm (arrow). (b) There was no continuity between the aneurysm (arrow) and middle cerebral artery. (c) Intraoperative photograph after removal of the aneurysm showing the injured part of the M2 superior trunk and the discolored part of the M2 inferior trunk. (d) An illustration of C.
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F3
Contrast-enhanced CT showed a 13-mm large aneurysm in the left MCA bifurcation [Figure 3].