By Gianni Boris Bradac
Cerebral angiography offers specific anatomical imaging of the cerebral vasculature and its diversifications, with exact id of vascular territories and their particular functionality. It has facilitated either advances in our wisdom of cerebrovascular pathology and the improvement of latest, basically endovascular tools of therapy. This ebook is a entire and well-illustrated consultant to the diagnostic use of cerebral angiography. the 1st a part of the ebook depicts intimately the conventional visual appeal of the cerebral vessels on angiographic experiences. Sound wisdom of this basic vascular anatomy and medical functionality is key for proper interpretation of the scientific value of the pathological approaches addressed within the moment a part of the booklet. The latter contain vascular abnormalities, together with angiomas, fistulas, and aneurysms; atherosclerotic and non-atherosclerotic stenosis and occlusion of the cerebral vessels; and venous thrombosis. In each one case, either commonplace and abnormal appearances are provided. whereas the emphasis all through is at the diagnostic price of cerebral angiography, a couple of examples of endovascular therapy also are incorporated to focus on the evolving chances of remedy and the function of cerebral angiography in therapy choice.
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Extra resources for Cerebral Angiography: Normal Anatomy and Vascular Pathology
All this information is necessary to plan the endovascular and/or surgical treatment. 18. 14 Small arteriovenous angioma of the mental area supplied by the facial artery. (a) Lateral angiogram of the selective submental artery (arrow) showing the angioma and early d rainage in the submental veins (arrow with angle). (b) Control angiogram after occlusion of the malformation using polyvinyl alcohol (PVA) particles a Fig. 15 Large arteriovenous angioma of the inferior cheek supplied by the facial artery.
These arteries can both supply the nerve, but there is commonly a predominance of the petrosquamous branch (Lasjaunias and Berenstein 1987). Furthermore, the petrosquamous branch gives off branches for the tympanic cavity, where they anastomoses with the anterior, posterior, and inferior tympanic arteries. • In the paramedian area of the convexity, the branches anastomose with those of the contralateral side. Furthermore, the branches form an arcade from anterior to posterior, situated at the insertion of the lateral wall of the superior sagittal sinus with the meninges of the vault.
There is a possible association of extracranial vascular malformations with some neurocutaneous pathologies, such as Sturge-Weber, Louis-Barr, Wyburn-Mason, and Rendu-Osler syndromes (see Chap. 12). Location. They can involve the skin of the head and facies as well as the oral and nasal cavities. The masticatory muscles and bone structures, are more seldom affected; they may be secondarily affected as extensions of the malformation or primary. The masseter muscle and mandibular bone are particularly involved.