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. 2001 Sep 30;7(3):259-62.
doi: 10.1177/159101990100700313. Epub 2001 Oct 15.

A case of multiple intracranial aneurysms with unruptured associated aneurysms and newly developed ruptured aneurysm

V K Jayakrishnan  1 , G Rodesch, H Alvarez, P Lasjaunias
Affiliations

A case of multiple intracranial aneurysms with unruptured associated aneurysms and newly developed ruptured aneurysm

V K Jayakrishnan et al. Interv Neuroradiol. .

Abstract

We report a case of mirror aneurysms at the middle cerebral artery bifurcation with rupture on the left side. After six years, the patient had subarachnoid haemorrhage from a de novo aneurysm which developed separate from but adjacent to the already present aneurysm on the right side. The mechanism of development of multiple aneurysms, especially of the mirror-image type cannot be explained based only on haemodynamic factors and congenital segmental arterial vulnerability which is generalised than focal is highly likely. The sequence of development of aneurysms in this patient along with existing knowledge regarding rupture of aneurysms in conditions like polycystic kidney disease raise questions about the current trend of treating all patients with coincidental, unruptured aneurysms as they may never bleed from such aneurysms but could still be at risk of SAH from newly developing aneurysms.

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Figures

Figure 1
Figure 1
A) Left carotid angiogram showing the saccular aneurysm at MCA bifurcation B) Right carotid angiogram showing the 2mm aneurysm at MCA division.
Figure 2
Figure 2
A) Right carotid angiogram - a lobulated saccular aneurysm at the MCA trifurcation is seen. B) 3D angio shows the previously existing small aneurysm separate from the newly formed larger aneurysm. C) Internal view from the 3D angio showing two separate aneurysm openings.
See this image and copyright information in PMC

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