Journal
CLINICAL IMAGING
Volume 57, Issue -, Pages 87-98Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.clinimag.2019.05.010
Keywords
Coronary artery anomalies; Anomalous origin; Anomalous course; Coronary atresia; ALCAPA; ARCAPA
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Anomalies of origin of coronary arteries are an uncommon occurrence and found in approximately 1-2% of the general population. While a large proportion of these anomalies are clinically silent, a few might be hemodynamically significant and may even result in sudden cardiac death. Comprehensive knowledge of the normal as well as variant anatomies of the coronary artery origin and familiarity with imaging appearances and clinical significance of these anomalies is imperative for precise diagnosis and subsequent planning of treatment, whenever required. Multidetector computed tomography angiography, on account of its non-invasiveness, faster scan times and multiplanar reconstruction capabilities, is increasingly being utilized for characterization of coronary artery origin anomalies and their three-dimensional spatial relations. It shows a superior rate of detection of these anomalies compared to conventional angiography, providing more accurate delineation of the ostium as well as course. With the advent of newer generation CT scanners and use of advanced dose reduction techniques, images can be obtained rapidly having excellent spatial resolution and with minimal radiation dose. In this review article, we present the multidetector CT angiography imaging findings of the spectrum of anomalous coronary artery origin, using a third-generation dual-source CT scanner.
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