2002
DOI: 10.1590/s0004-282x2002000300026
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Progression of an arterial infundibulum to aneurysm: case report

Abstract: -In this case an aneurysm of the right posterior communicating artery developed 11 months after an infundibular dilation of this artery had been angiographycally and surgically demonstrated. In the best of the authors' knowledge, there are only eleven such cases reported in the literature. This report brings about diagnostic and therapeutic questions regarding arterial infundibula and the need of a better understanding of those lesions.KEY WORDS: aneurysm, arterial infundibulum, bilateral supratentorial aneury… Show more

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Cited by 26 publications
(15 citation statements)
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“…Moreover, there have been a number of case reports on the progression of funnel-shaped PCoA origin to aneurysm formation and subsequent rupture leading to subarachnoid hemorrhage (SAH). 31, 38 Jang et al 23 also reported a case of ruptured aneurysm harboring on the distal wall of infundibular PCoA and they also summarized 12 cases they found through literature review. More recently, Coupe et al compiled six case reports of SAH from infundibular rupture in patients aged between 40 and 57.…”
Section: Introductionmentioning
confidence: 99%
“…Moreover, there have been a number of case reports on the progression of funnel-shaped PCoA origin to aneurysm formation and subsequent rupture leading to subarachnoid hemorrhage (SAH). 31, 38 Jang et al 23 also reported a case of ruptured aneurysm harboring on the distal wall of infundibular PCoA and they also summarized 12 cases they found through literature review. More recently, Coupe et al compiled six case reports of SAH from infundibular rupture in patients aged between 40 and 57.…”
Section: Introductionmentioning
confidence: 99%
“…Infundibular dilatations are mostly considered to be a benign variant, however, several reports have documented both subarachnoid hemorrhage from a pcomA infundibulum as well as the evolution of such a dilatation to a saccular de novo aneurysm, eventually with subsequent bleeding [2][3][4][5][6][7][8][9]. Therefore, the management of an incidentally diagnosed infundibular widening remains an issue.…”
mentioning
confidence: 99%
“…Así, se han descrito casos de rotura de un aneurisma de AComP desarrollado a partir de una DI identificada angiográficamente tras una HSA por rotura demostrada de un aneurisma por Cowan et al 5 en un caso tras 5 años y por Yamakawa et al 28 en tres pacientes incluidos en una serie de 20 casos con resangrado tardío tras HSA. Martins et al 17 aportan un caso semejante tras 11 meses, pero en este caso la lesión había sido explorada quirúrgicamente demostrándose que era una DI verdadera que fue dejada sin tratar. También describen Radulovic et al 20 dos casos de desarrollo y ruptura de aneurismas de AComP sobre DI descubiertas 9 y 11 años antes tras una HSA cuyo único hallazgo fue la DI.…”
Section: Aspectos Clínicosunclassified
“…Los datos epidemiológicos recogidos de la literatura de los casos donde se ha demostrado la formación de un aneurisma a partir de una DI 5,16,17,20 indican que esto ocurre más frecuentemente en mujeres, en pacientes jóvenes entre 30-40 años, en el lado izquierdo y en la mitad de los casos ante una DI bilateral. El tiempo medio de progresión es de unos 7 años (rango, 0,5-11 años), aunque el tiempo de progresión viene determinado por la fecha de realización de la prueba de imagen y esto hace que los datos no representen con exactitud la realidad.…”
Section: Aspectos Fisiopatológicosunclassified
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