PMC2989694_01
Diffusion weighted imaging (DWI) showing area of restricted diffusion.
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fig1
MRI and MRA studies revealed occlusion of the right middle cerebral artery with restricted diffusion in the right basal ganglia and the posterior lateral aspect of the caudate head (Figure 1).
Coronal view of angiography arrow pointing to the area the Middle Cerebral Artery occlusion.
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fig2
A thrombus was located (Figures 2 and 3); endovascular mechanical embolectomy with a Merci retrieval device was attempted without success.
Sagittal view of angiography arrow pointing to the area the Middle Cerebral Artery occlusion.
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fig3
A thrombus was located (Figures 2 and 3); endovascular mechanical embolectomy with a Merci retrieval device was attempted without success.
Sagittal view demonstrating a significant improvement in blood flow after rt-PA Abciximab and nitroglycerin were infused. Arrow points to a small residual occlusion.
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fig4
Abciximab and nitroglycerin (25 mug) were then infused with considerable improvement in blood flow (Figures 4 and 5). 
Sagittal view demonstrating a significant improvement in blood flow after rt-PA Abciximab and nitroglycerin were infused. Arrow points to a small residual occlusion.
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fig5
Abciximab and nitroglycerin (25 mug) were then infused with considerable improvement in blood flow (Figures 4 and 5). 
MRI 3 month after the initial insult showing a residual hyperdense signal abnormally in the periventricular region.
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fig6
AIS has not been found. An MRI performed 3 months after the events showed resolution of the edema and restricted diffusion with a residual hyperdense signal abnormally in the periventricular region (Figure 6).