n Cardiovascular Journal of Africa - The incidence of coronary anomalies on routine coronary computed tomography scans

Volume 24, Issue 9
  • ISSN : 1995-1892
  • E-ISSN: 1680-0745



This study aimed to assess the incidence of coronary anomalies using 64-multi-slice coronary computed tomography (MSCT).

The diagnostic MSCT scans of 745 consecutive patients were reviewed.
The incidence of coronary anomalies was 4.96%. The detected coronary anomalies included the conus artery originating separately from the right coronary sinus (RCS) ( = 8, 1.07%), absence of the left main artery ( = 7, 0.93%), a superior right coronary artery (RCA) ( = 7, 0.93%), the circumflex artery (CFX) arising from the RCS ( = 4, 0.53%), the CFX originating from the RCA ( = 2, 0.26%), a posterior RCA ( = 1, 0.13%), a coronary fistula from the left anterior descending artery and RCA to the pulmonary artery ( = 1, 0.13%), and a coronary aneurysm ( = 1, 0.13%).
This study indicated that MSCT can be used to detect common coronary anomalies, and shows it has the potential to aid cardiologists and cardiac surgeons by revealing the origin and course of the coronary vessels.

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