Abstract
Digital Subtraction Angiography has been very important for advances in diagnostic and interventional procedures in Neuroradiology.
The introduction of new image intensifiers and TV chains introduction, specific computer systems and high-speed digital image processors developments, new image processing techniques for interventional new C-arm generation, pulsed fluoroscopy and new digital acquisition modes as rotational angiography are the main features of current Digital Angiography Systems.
New software is under clinical evaluation as 3D reconstruction of the brain vessels, using a set of DSA images taken around the patient during rotational angiography, and image intensifier geometrical distorsion correction for DSA stereotactic applications.
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