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  • Title: [3-dimensional computerized tomography in diagnosis and surgical planning of intracranial aneurysms].
    Author: Dietrich J, Günther L, Fried H.
    Journal: Zentralbl Neurochir; 1995; 56(1):34-9. PubMed ID: 7771130.
    Abstract:
    Established alternative methods of visualisation of intracranial vessels--MR-angiography and angio-CT--give only two dimensional views similar to angiography. It is a subjective matter of the neurosurgeon's imagination to produce three dimensional views on the basis of these methods. Three dimensional processing of dynamic sequence or helical axial computed tomograms give any number you like of stereo-scopic views of the Willisi circulus. Comparing the usefulness of DSA and 3D-CT in 34 aneurysms, the latter often gives supplementary information concerning the direction, neck and adjacent arteries, helpful in planning surgery treatment. It is difficult or sometimes impossible to separate basal aneurysms (a.c.i.) from sinus cavernosus and skull base by this method, but especially in aneurysms located in the area of a.com.a. and c.m.a. the 3D-CT is sufficient for diagnosis and planning surgical treatment without DSA.
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