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FIG 3. Detection of aneurysmal neck remnant.
A, DSA image of the left internal carotid artery obtained 12 months after the treatment of a 5-mm aneurysm of the AcomA. Frontal head view shows a residual neck with a 3-mm diameter (arrow).
B, TOF-MRA image obtained with MIP reconstruction in the axial plane does not depict the residual neck.
C, Contrast-enhanced MRA image obtained with axial MIP reconstruction in the axial plane shows a small residual cavity (arrow), in agreement with the DSA findings.
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