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Intracranial aneurysms: MR imaging.

A Biondi1, G Scialfa, G Scotti

  • 1Servizio di Neuroradiologia, Ospedale Niguarda, Milano, Italy.

Neuroradiology
|January 1, 1988
PubMed
Summary
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Magnetic resonance (MR) imaging effectively visualizes intracranial aneurysms, differentiating flow from thrombosis. MR imaging aids in defining aneurysm size and associated lesions, complementing angiography.

Area of Science:

  • Neuroradiology
  • Medical Imaging
  • Neurovascular Diseases

Background:

  • Intracranial aneurysms pose significant diagnostic challenges.
  • Distinguishing between vascular lesions and other pathologies is crucial for patient management.

Purpose of the Study:

  • To evaluate the utility of Magnetic Resonance (MR) imaging in visualizing and characterizing intracranial aneurysms.
  • To compare MR findings with Computed Tomography (CT) and angiography.

Main Methods:

  • Review of MR studies in 17 patients with 19 intracranial aneurysms.
  • Correlation of MR findings with CT and conventional angiography data.

Main Results:

  • MR imaging visualized all intracranial aneurysms.

Related Experiment Videos

  • MR signal variations reflected flow dynamics, thrombosis, and calcification.
  • MR differentiated intraluminal components and defined perilesional brain tissue.
  • MR delineated size and location of giant aneurysms and identified vascular nature in thrombosed lesions.

    • Conclusions:

    • MR imaging is a valuable tool for visualizing intracranial aneurysms.
    • MR provides detailed characterization of aneurysm components and surrounding tissue.
    • MR complements angiography, particularly for giant and thrombosed aneurysms.