Angiography and Computed Tomography in Cerebro Arterial Occlusive Diseases formatIsbn:Softcover 9783642685569 After this turning point 9783540180470 After this turning point zu den Picture Elements In this age when we are witnessing a veritable explosion in new modalities in diagnos tic imaging we continue to have a great need for detailed studies of the vascularity of the brain in patients who have all types of cerebral vascular disease the concept ofluxury perfusion which is used to describe non nutritional flow through the tissues was observed first angiographically although the term was not used until LASSEN described it as a pathophysiological phenomenon observed during cerebral blood flow studies with radioactive isotopes