Fenestrations of Intracranial Arteries Detected with 3D Rotational Angiography

Rooij, S.B.T. van; Rooij, W.J. van; Sluzewski, M.; Sprengers, Marieke E.S.

doi:10.3174/ajnr.a1563

Cited by 75 publications

(64 citation statements)

References 13 publications

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“…Duplicated or fenestrated arteries are the second most common variants (after hypoplastic arteries) and are reportedly more frequent in the anterior circulation 15. The most commonly duplicated or fenestrated artery was AcomA , present in 4.4% of the cases in the present study in contrast to incidence of 32% observed by Milenkovic et al,(1985) 1 , and Ardkani et al, (2008) 8 .…”

Section: Discussioncontrasting

confidence: 50%

The Configuration and Variations in the Developing Circle of Willis – A Retrospective Autopsy Study

2017

IJCRR

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Introduction: Cerebral hemodynamics undergoes a shift from carotid system to vertebro-basilar system from fetal stage to adult life. The circle of Willis (CW) plays a major role in redistributing the blood and enables interhemispheric flow through the anterior & posterior communicating arteries (AComA, PComA). The text book description mention three stages in the development of CW-fetal, transitional and adult. The purpose of the present study was to observe development of arterial anastomoses during intrauterine life, to note the variations and trying to explain some of the hypothesis for these variations.

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Section: Discussioncontrasting

confidence: 50%

The Configuration and Variations in the Developing Circle of Willis – A Retrospective Autopsy Study

2017

IJCRR

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“…However, a recent study using CT angiography 2) and 3D rotational angiography 27) demonstrated that the frequency of fenestrations was much more common at 11% to 26%, with the most frequent sites of fenestration in the vertebrobasilar system and anterior communicating region.…”

Section: Discussionmentioning

confidence: 99%

“…25) In a recent study, 3D rotational angiography failed to detect any A 1 fenestration. 27) Fenestrations may occur as a result of partial duplication, incomplete fusion, or the anomalous course of a nonvascular structure through the precursor vasculature or of a remnant of the plexiform anastomosis between the primitive olfactory artery and the ACA. 14,15, 18,20,24,25) The first autopsy case of aneurysm arising from the A 1 fenestration was described in 1962.…”

Section: Discussionmentioning

confidence: 99%

Endovascular Repair of Ruptured Aneurysm Arising From Fenestration of the Horizontal Segment of the Anterior Cerebral Artery

Yoshida

Ezura

Sasaki

et al. 2012

Neurol. Med. Chir.(Tokyo)

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A 50-year-old man presented with an aneurysm arising from a fenestration of horizontal portion (A 1 ) of the anterior cerebral artery manifesting as subarachnoid hemorrhage. Coil embolization was conducted and the aneurysm was occluded easily. Most reported cases of these types of aneurysms underwent direct surgery. Aneurysm arising from the A 1 fenestration is rare, but the present case shows that coil embolization can be an effective treatment modality. Three-dimensional rotational angiography and aneurysmography were helpful to characterize this complicated vascular structure.

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“…On the contrary, recent studies with more frequent depiction of fenestrations including the present study suggest that a relation to aneurysms or other vascular pathology is not very likely. 7,8,10 Only large postmortem studies can provide a definite answer to this issue.…”

Section: Discussionmentioning

confidence: 99%

“…With 3D imaging, especially 3D rotational angiography, the detection rate of fenestrations has improved. 8 Scant data are available on the frequency and location distribution of fenestrations of intracranial arteries, to our knowledge. We used 3D rotational angiography of all intracranial arteries in a cohort of 179 patients with suspected intracranial aneurysms to assess the prevalence and location of fenestrations and the relation of fenestrations with aneurysms.…”

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confidence: 99%