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Case Reports
. 2019 Dec 20:2019:6917902.
doi: 10.1155/2019/6917902. eCollection 2019.

Headache and MRI Changes after Endovascular Treatment of a Cerebral Aneurysm

Liv Jorunn Høllesli  1   2 , Martin W Kurz  3   4   5 , Gry Inger N Behzadi  1   2 , Tore Solbakken  3 , Svein Harald Mørkve  6   7 , Kathinka D Kurz  1   2   8
Affiliations
Case Reports

Headache and MRI Changes after Endovascular Treatment of a Cerebral Aneurysm

Liv Jorunn Høllesli et al. Case Rep Radiol. .

Abstract

Background: The main complications after endovascular therapy of intracranial aneurysms are aneurysm rupture and thromboembolic events. Yet, the widespread use of magnetic resonance imaging (MRI) in follow-up of these patients also demonstrates other, rarely known complications such as aseptic meningitis and foreign body reaction.

Case presentation: A small aneurysm in the right posterior communicating artery was treated with endovascular therapy in a 65 year old woman. Two weeks after successful interventional treatment, the patient developed a headache. On MRI performed five months after intervention, vasogenic edema was seen in the vascular territory of the right internal carotid artery. The edema and the symptoms diminished without specific treatment within a year.

Interpretation: The clinical and radiological presentation of this case are suggestive of a foreign body reaction, a treatable condition that radiologists and clinicians should be aware of.

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Conflict of interest statement

The authors declare that there is no conflicts of interest regarding the publication of this paper.

Figures

Figure 1
Figure 1
Transversal T2-weighted MR images five months after endovascular treatment show high-signal white matter changes with slight mass effect in the vascular territory of the right internal carotid artery.
Figure 2
Figure 2
Transversal T2-weighted MR images one year after endovascular treatment revealed only subtle remaining signal changes.
See this image and copyright information in PMC

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