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Identifying Coronary Artery Calcification on Non-gated Computed Tomography Scans
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Coronary artery aneurysms and ectasia: role of coronary CT angiography

Mariana Díaz-Zamudio1, Ulises Bacilio-Pérez, Mary C Herrera-Zarza

  • 1Department of Radiology and Imaging, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico.

Radiographics : a Review Publication of the Radiological Society of North America, Inc
|November 21, 2009
PubMed

Insights

Coronary artery aneurysms and ectasia are uncommon findings in coronary artery disease. Understanding their varied causes, diagnostic imaging, and potential complications is crucial for patient care.

Area of Science:

  • Cardiology
  • Radiology
  • Pathology

Background:

  • Coronary artery aneurysms and ectasia are infrequent incidental findings in patients with coronary artery disease.
  • These dilatations are linked to diverse conditions, posing diagnostic challenges with significant clinical and therapeutic implications.

Purpose of the Study:

  • To provide a comprehensive overview of coronary artery aneurysms and ectasia.
  • To discuss their definition, classification, etiologies, clinical presentations, and complications.

Main Methods:

  • Review of existing literature and clinical data.
  • Emphasis on diagnostic imaging, particularly multidetector computed tomography.
  • Detailed assessment criteria including distribution, diameter, thrombi, number, extension, and complications.

Main Results:

  • Etiologies are varied, encompassing degenerative, congenital, inflammatory, infectious, toxic, and traumatic causes.
  • Ectasia is often associated with atherosclerosis, compensatory mechanisms for stenosis, coronary anomalies, or high-flow states like fistulas.
  • Multidetector computed tomography enables noninvasive evaluation.

Conclusions:

  • Coronary artery aneurysms and ectasia require careful evaluation due to their diverse origins and potential complications.
  • A structured imaging approach is essential for characterizing these findings.
  • Further research may elucidate optimal management strategies.

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