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Computed tomography angiography for the evaluation of carotid artery dissections

C Taschner1, X Leclerc, C Lucas

  • 1Departments of Neuroradiology, Hôpital Roger Salengro, University Hospital Lille, Lille, France.

Frontiers of Neurology and Neuroscience
|February 10, 2007
PubMed

Insights

Computed tomography angiography (CTA) is a reliable tool for diagnosing cervical artery dissection, especially when magnetic resonance (MR) angiography is contraindicated. Modern CTA techniques offer significant diagnostic potential for this condition.

Area of Science:

  • Radiology
  • Vascular Imaging
  • Neurology

Background:

  • Catheter angiography is the traditional standard for diagnosing cervical artery dissection.
  • Advancements in imaging technologies have led to the evaluation of alternative diagnostic methods.

Purpose of the Study:

  • To summarize technical aspects and advances in computed tomography angiography (CTA) for cervical artery dissection.
  • To discuss the diagnostic significance and typical appearance of dissections on CTA.
  • To compare CTA with other imaging modalities like MR angiography.

Main Methods:

  • Review of technical aspects and recent advances in multidetector CTA.
  • Analysis of comparative clinical studies evaluating CTA, MR angiography, and Doppler ultrasound.
  • Description of typical CTA findings in cervical artery dissections with clinical examples.

Main Results:

  • Multidetector CTA is a safe and reliable diagnostic modality for evaluating carotid artery dissections.
  • MR angiography remains the preferred method for excluding carotid artery dissection.
  • CTA use is currently limited to specific indications, particularly for patients with contraindications to MR imaging.

Conclusions:

  • Modern multidetector CTA offers considerable diagnostic potential for cervical artery dissection.
  • CTA is a valuable tool, especially when MR imaging is not feasible.
  • The role of CTA in diagnosing cervical artery dissection is expanding with technological improvements.

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