Aneurysm wall enhancement in black blood MRI correlates with aneurysm size. Black blood MRI could serve as an objective criterion of aneurysm stability in near future

  • Athanasios K. Petridis | athanasios.petridis@med.uni-duesseldorf.de Department of Neurosurgery, Heinrich Heine University Duesseldorf, Germany.
  • Andreas Filis Department of Neurosurgery, Imland Hospital Rendsburg, Germany.
  • Elias Chasoglou Department of Neurosurgery, Heinrich Heine University Duesseldorf, Germany.
  • Igor Fischer Division of Informatics and Data Science, Department of Neurosurgery, University Hospital Duesseldorf, Germany.
  • Maxine Dibué-Adjei Department of Neurosurgery, Heinrich Heine University Duesseldorf; LivaNova Deutschland GmbH (a LivaNova PLC-owned subsidiary), Munich, Germany.
  • Richard Bostelmann Department of Neurosurgery, Heinrich Heine University Duesseldorf, Germany.
  • Hans Jakob Steiger Department of Neurosurgery, Heinrich Heine University Duesseldorf, Germany.
  • Bernd Turowski Diagnostic and Interventional Neuroradiology, Heinrich Heine University Duesseldorf, Germany.
  • Rebecca May Diagnostic and Interventional Neuroradiology, Heinrich Heine University Duesseldorf, Germany.

Abstract

The increasing number of incidental intracranial aneurysms creates a dilemma of which aneurysms to treat and which to observe. Clinical scoring systems consider risk factors for aneurysm rupture however objective parameters for assessment of aneurysms stability are needed. We retrospectively analysed contrast enhancing behaviour of un-ruptured aneurysms in the black blood magnetic resonance imaging (MRI) in N=71 patients with 90 aneurysms and assessed correlation between aneurysm wall contrast enhancement (AWCE) and aneurysm anatomy and clinical scoring systems. AWCE is associated with aneurysm height and height to width ratio in ICA aneurysms. AWCE is correlated to larger aneurysms in every anatomical location evaluated. However the mean size of the contrast enhancing aneurysms is significantly different between anatomical localizations indicating separate analyses for every artery. Clinical scoring systems like PHASES and UIATS correlate positively with AWCE in black blood MRI. MRI aneurysm wall contrast enhancement is a positive predictor for aneurysm instability and should be routinely assessed in follow up of incidental aneurysms. Aneurysms smaller than 7 mm with AWCE should be followed closely with focus on growth, as they may be prone to growth and rupture.

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Published
2018-07-27
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Section
Brief Reports
Keywords:
Black blood MRI, intracranial aneurysm, aneurysm wall inflammation, unruptured intracranial aneurysm.
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How to Cite
Petridis, A. K., Filis, A., Chasoglou, E., Fischer, I., Dibué-Adjei, M., Bostelmann, R., Steiger, H. J., Turowski, B., & May, R. (2018). Aneurysm wall enhancement in black blood MRI correlates with aneurysm size. Black blood MRI could serve as an objective criterion of aneurysm stability in near future. Clinics and Practice, 8(3). https://doi.org/10.4081/cp.2018.1089

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