By Professor Dr. Gianni Boris Bradač, Priv.-Doz. Dr. Roland Oberson (auth.)
Although it will probably appear a rash, even ill-conceived, venture to commit a mono graph to cerebral angiography at a time while CT looks an important neuroradiologic strategy, this is often certainly now not the case. furthermore, the authors are conscious of the need of taking those new innovations into consideration. Cerebro-arterial occlusive ailments are usually the reason for acute and chro nic neurologic disturbances. The authors' target in getting ready this ebook used to be to illustrate the price of neuroradiology within the prognosis of those stipulations. they've got complete their goal, and mainly, they've got succeeded in demonstrating how angiography and CT supplement one another. They indicate absolutely the necessity of top quality in angiographic imaging; certainly, arterial occlusive illnesses could have a truly capricious and unforeseen evolution that may be followed-up by means of iterative CT examinations - for example as soon as every week - yet angiography, that is played just once, has to be as excellent and informative as attainable. either authors acquired a part of their education within the Neuroradiologic go away ment of the college medical institution in Strasbourg. i'm hence more than happy to discover during this e-book either the perfection i used to be acquainted with seeing in G. B. BRADAc's iconography and the sound judgement I regularly favored in R. OBERSON. for that reason, it really is with nice delight that I write this foreword. it truly is my want that either authors in achieving the popularity they rightfully deserve within the Univer sities of Berlin and of Lausanne.
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Additional resources for Angiography in Cerebro-Arterial Occlusive Diseases: Including Computer Tomography and Radionuclide Methods
A. is a preferential site of stenosis and occlusion (8 % in our material). In 50% of our patients no other lesions of the extra-intracranial segments of the cerebral vessels were recognized. Stenosis of the internal carotid artery with or without angiographically demonstrable ulcerative plaque was visible in 25% of the patients. In another 25% a slightly generalized atherosclerosis was seen. In some patients of the last group an ulceration of the carotid bifurcation was suspected. a. from the carotid siphon and the site where this vessel divides into its peripheral branches.
4) between two arterial systems (anterior middle cerebral arteries). , 1976 b; BRADAC, 1977) (see also Fig. 72). b) These signs are visible in patients with an occlusion of several branches of the middle and anterior cerebral arteries. Blush and early venous filling are visible only in the parietal region (Fig. 60). c) Stenosis and tortuosity of the carotid artery can lead to the same phenomenon (Figs. 26, 71). a. This definitive finding is due to collateral flow from the anterior cerebral to middle cerebral artery.
89). ) Lesions of this vessel are relatively rare. Total occlusions were present in 1% of our material, stenosis, in 2%. The absence, partial filling, or injection of only the horizontal segment of the anterior cerebral artery on one carotid angiogram cannot be evaluated as signs of occlusion or stenosis of this vessel, which can be on one side either hypo- or aplastic. a. 3 %. In cases where a lesion of this vessel is suspected a bilateral carotid angiography is indispensable for the diagnosis.
Angiography in Cerebro-Arterial Occlusive Diseases: Including Computer Tomography and Radionuclide Methods by Professor Dr. Gianni Boris Bradač, Priv.-Doz. Dr. Roland Oberson (auth.)