Intracranial Aneurysms 1983
DOI: 10.1007/978-1-4612-5437-9_12
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Etiology and Pathogenesis of Intracranial Berry Aneurysms

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Cited by 23 publications
(10 citation statements)
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“…While, if the aneurysm had entirely thick walls, prophylactic surgery for such patients might be judged contra-indicated. As Stehbens indicated that mural thickness is not always related to the propensity for rupture and some additional change or stress in the wall seems to initiate the tearing and bleeding, the true mechanism underlying the eventual rupture of aneurysms is still unsolved [14][15][16]. However, it is at best conceivable that the rupture will most probably occur at the most fragile point of the aneurysmal wall.…”
Section: Discussionmentioning
confidence: 92%
“…While, if the aneurysm had entirely thick walls, prophylactic surgery for such patients might be judged contra-indicated. As Stehbens indicated that mural thickness is not always related to the propensity for rupture and some additional change or stress in the wall seems to initiate the tearing and bleeding, the true mechanism underlying the eventual rupture of aneurysms is still unsolved [14][15][16]. However, it is at best conceivable that the rupture will most probably occur at the most fragile point of the aneurysmal wall.…”
Section: Discussionmentioning
confidence: 92%
“…Earlier hypotheses suggested that the appearance of aneurysms is exclusively due to congenital abnormalities, but scientific findings suggest that hemodynamic and degenerative factors can contribute to aneurysm development 6. It is now generally accepted that an aneurysm is an acquired lesion, resulting from a complicated interplay of anatomical, hemodynamic, and degenerative factors.…”
Section: Discussionmentioning
confidence: 99%
“…The same is valid for aneurysmatic dilation of the cortical veins when the fistula is located on the cortex. This venous dilation should be distinguished from arterial berry aneurysms, which can occur on the arteries feeding a cerebral AVM [11]. The histological examination of the "aneurysmal sac," done in our case 2, revealed a pure venous structure.…”
Section: Discussionmentioning
confidence: 96%
“…The fistula may occur between a single artery and a single vein, or it may have multiple afferent-efferent anastomoses. They may result in an aneurysm-like, saccular, or varicose dilation of the venous portion most proximal to the fistula [8,11,15]. The most frequently reported examples are direct anastomosis of the posterior circulation arteries with the galenic system.…”
Section: Discussionmentioning
confidence: 99%