By Gianni Boris Bradac
This revised and enlarged variation of Cerebral Angiography, together with new angiographic reviews and illustrative drawings, bargains designated counsel on diagnostic use of the strategy. the 1st a part of the e-book describes the traditional anatomy of the cerebral arteries and veins, with realization to morphological point, embryological improvement, functionality and vascular territories. The intraorbital and extracranial vascularization can be thought of. The reader will achieve a legitimate wisdom of standard vascular anatomy and its adaptations that might function a foundation for the right kind interpretation of pathological tactics and their scientific value, as coated within the moment a part of the book.
Among the pathologies thought of are vascular abnormalities, together with angiomas, fistulas and aneurysms; atherosclerotic and non-atherosclerotic stenosis and occlusion of the cerebral vessels; venous thrombosis; intraorbital and extracranial vascular malformations. Pathogenesis, morphological and dynamic features, answerable for medical signs and influencing the treatment are defined. whereas the emphasis all through is at the diagnostic price of cerebral angiography, many examples of endovascular remedy in numerous pathological occasions also are offered, with dialogue of symptoms, hazards and results.
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Additional info for Cerebral Angiography: Normal Anatomy and Vascular Pathology
There are anastomoses between the 2 18 branches of the superior hypophyseal and inferior hypophyseal arteries and that of the contralateral arteries. Each half of the pituitary gland drains into the corresponding cavernous sinus, which continues into the inferior petrosal sinus. 2 In the Communicating Segment Arises the PcomA The PcomA arises from the posterior surface of the ICA. It runs posteriorly and medially to join the posterior cerebral artery (PCA) in a close relationship with cranial nerve III, which is laterally and sometimes medially located (Gibo et al.
Indeed, in the embryonic phase, the PCA takes its origin from the ICA, while the connection of the PCA with the basilar artery through the P1 segment develops later. In the further evolution, the PcomA (pars carotica of the PCA) becomes hypoplastic or regresses in rare cases entirely, while the P1 segment (pars basilaris of the PCA) becomes well developed. This evolution occurs in about 70 % of the cases (Zeal and Rhoton 1978; Huber 1979; Pedroza et al. 1987) (see also Chaps. 1 and 7). A slight widening of the origin of the PcomA (infundibulum) is not rare.
12c, d). 9 Summary • The ECA supplies the soft tissues and bone of the craniofacial area. • It represents the main meningeal supply for the intracranial dura. Its branches are in balance with the meningeal branches arising from the ophthalmic artery, ICA, and VA. • It supplies a few cranial nerves. • It can be an important collateral way to the intracranial circulation, in cases of an occluded ICA. • The ECA can be involved in the vascularization of pathological processes that affect the extracranial area and base of the skull and those involving the intracranial dura, especially meningiomas and DAVFs.
Cerebral Angiography: Normal Anatomy and Vascular Pathology by Gianni Boris Bradac