Endovascular treatment of aneurysm arising from fenestration of the supraclinoid internal carotid artery – Two case reports

Nakiri, Guilherme S.; Bravo, Eduardo; Al-Khawaldeh, Maher; Rivera, Rodrigo; Badilla, Lautaro; Mounayer, Charbel

doi:10.1016/j.neurad.2011.10.001

Cited by 10 publications

(12 citation statements)

References 22 publications

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“…In some cases, including our case, the fenestration appeared to occur at the connection between the superior hypophyseal artery and the Pcom. 9 , 13 , 15) In reports describing pathological analyses, a defect in the muscular layer of the vessel at each wall of the fenestration was identified. 10 , 30 , 31) It is suggested that the combination of structural wall weakness and local hemodynamic stress, especially at the proximal site, is involved in aneurismal formation.…”

Section: Discussionmentioning

confidence: 99%

Supraclinoid Internal Carotid Artery Fenestration with Associated Aneurysm: Case Report and Literature Review

Haryu

Sato

Matsumoto

et al. 2020

NMC Case Report Journal

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Fenestration of the supraclinoid internal carotid artery (ICA) is extremely rare and may occasionally be associated with saccular aneurysms; nevertheless, the natural history remains unclear. The authors reviewed the cases of fenestration of the supraclinoid ICA and evaluated the clinical characteristics and angioarchitecture with particular focus on the incidence for aneurysm development and rupture. Previously reported 24 cases and 1 new case from our institute were examined for the presence of aneurysms (including size and presence of bleb) leading to subsequent subarachnoid hemorrhage (SAH). Furthermore, 16 cases with sufficient information were classified into one of the three types according to the developmental condition of fenestration and fusion site: Type A (developed fenestration in which the ICA appears to duplicate [two cases]); Type B (hypoplastic fenestration fused to the ICA at the origin of the posterior communicating artery [Pcom] [six cases]); and Type C (hypoplastic fenestration fused to the Pcom itself or appeared to be a duplicated Pcom [eight cases]). In type A, the two cases had an aneurysm (100%), one of which caused SAH (50%). In type B, all six cases had an aneurysm (100%), and one of five led to SAH (20%) (one case lacked information regarding SAH). In type C, five of the eight cases had an aneurysm (62.5%), with no SAH (0%). The result suggested that the extent of development of fenestration and the location of fusion are related to the incidence of aneurysms and risk for rupture.

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Section: Discussionmentioning

confidence: 99%

Supraclinoid Internal Carotid Artery Fenestration with Associated Aneurysm: Case Report and Literature Review

Haryu

Sato

Matsumoto

et al. 2020

NMC Case Report Journal

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“…8 In Table 2, which presents all published cases without SAH associated with an aneurysm and ICA fenestration, there is a slight approximation of numbers. Four cases were exclusively treated surgically 6,7,9,11 three interventionally 1,8,10 and one case was treated by surgical clipping and endovascular occlusion. 5 In the majority of cases with supraclinoidal fenestrations harbouring aneurysms, surgery was favoured as the first option regardless of whether the patients had SAH or not.…”

Section: Discussionmentioning

confidence: 99%

“…[2][3][4] Since 1984, 12 cases of aneurysms originating in a fenestration of the internal carotid artery (ICA) -four ruptured and eight unruptured aneurysms -have been published. 1,[5][6][7][8][9][10][11][12][13] It should be noted that in all these cases the supraclinoidal segments C6 and C7 of the ICA were concerned.…”

Section: Introductionmentioning

confidence: 99%

An interdisciplinary approach to the treatment of a complex infraclinoidal internal carotid artery aneurysm

et al. 2019

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We present the case of a 49-year-old woman with sudden onset of severe headaches and a ruptured aneurysm located inside the fenestration of the infraclinoid part of the internal carotid artery in the segments C4 and C5 distal to the origin of the ophthalmic artery. An interdisciplinary approach enabled the successful treatment of the aneurysm by wrapping and stent-assisted coiling. We discuss this rare congenital anomaly of a fenestrated internal carotid artery together with the 12 other cases published worldwide.

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“…Fenestrations of the intracranial ICA appear to be rare, with only 16 cases reported previously 2)3)5-10)12-15)17)20). A review of all literature on intracranial ICA fenestration is summarized in Table 1.…”

Section: Discussionmentioning

confidence: 99%

“…Although there is no clear correlation between fenestrations and aneurysms, we tentatively suggest that fenestrations at specific locations such as the supraclinoid ICA could be associated with aneurysms. Some authors12)15)19) have also considered the possibility of an association between aneurysms and fenestrations in particular locations, such as the vertebral junction and supraclinoid ICA. The mechanism of the association between aneurysms and fenestrations at these specific locations is unknown, but we suggest that the incidence of development of an aneurysm may be increased in vertebral and supraclinoid ICA fenestrations due to relatively high hemodynamic stress because of their proximal location.…”

Section: Discussionmentioning

confidence: 99%

Supraclinoid Internal Carotid Artery Fenestration Harboring an Unruptured Aneurysm and Another Remote Ruptured Aneurysm: Case Report and Review of the Literature

Park

Lee

2012

J Cerebrovasc Endovasc Neurosurg

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A fenestration of the supraclinoid internal carotid artery (ICA) is a rare congenital condition. We report an aneurysm arising from the proximal end of an ICA fenestration that was treated by endovascular coiling. Three-dimensional rotational angiography of preoperative cerebral angiography provided an understanding of the complex anatomy of the aneurysms associated with the fenestration and may facilitate the clinical decision regarding the treatment option. Endovascular coiling appears to be safe and effective for treating an aneurysm originating from a fenestration on the supraclinoid ICA, which is a difficult lesion to treat using a conventional surgical approach.

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Endovascular treatment of aneurysm arising from fenestration of the supraclinoid internal carotid artery – Two case reports

Cited by 10 publications

References 22 publications

Supraclinoid Internal Carotid Artery Fenestration with Associated Aneurysm: Case Report and Literature Review

Supraclinoid Internal Carotid Artery Fenestration with Associated Aneurysm: Case Report and Literature Review

An interdisciplinary approach to the treatment of a complex infraclinoidal internal carotid artery aneurysm

Supraclinoid Internal Carotid Artery Fenestration Harboring an Unruptured Aneurysm and Another Remote Ruptured Aneurysm: Case Report and Review of the Literature

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