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Case Reports
. 2015 May 14:2015:bcr2015210495.
doi: 10.1136/bcr-2015-210495.

Uncommon variants of left circumflex coronary artery (LCX): evaluation with 256-slice dual source CT coronary angiography

Harmeet Kaur Rissam  1 , Lalit Garg  2 , Umesh Kumar Mittal  1 , Satbir Singh  3
Affiliations
Case Reports

Uncommon variants of left circumflex coronary artery (LCX): evaluation with 256-slice dual source CT coronary angiography

Harmeet Kaur Rissam et al. BMJ Case Rep. .
No abstract available

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Figures

Figure 1
Figure 1
CT angiography volume-rendering technique images showing absent left circumflex artery in the left atrioventricular groove (arrowheads in A) and dilated right coronary artery (B).
Figure 2
Figure 2
Axial MIP (A) and VRT (B) images showing division of left main coronary artery into LAD and Ramus intermedius with absent LCX (LAD, left anterior descending; LCX, left circumflex artery; MIP, maximum intensity projection; RCA, right coronary artery; VRT, volume-rendering technique).
Figure 3
Figure 3
VRT images showing anomalous origin of LCX from right coronary sinus (arrows in B) with retroaortic course (arrowheads in A; LCX, left circumflex artery; RCA, right coronary artery; VRT, volume-rendering technique).
Figure 4
Figure 4
MIIP (A) and VRT(B) images showing LCX coursing between Ao and LA (Ao, aorta; CL, cycle length; LA, left atrium; MIP, maximum intensity projection; VRT, volume-rendering technique).
See this image and copyright information in PMC

References

    1. Hongsakul K, Suwannanon R. Congenital absence of left circumflex artery detected by computed tomography coronary angiography: a case report. Case Rep Vasc Med 2012;2012:204657 doi:10.1155/2012/204657 - DOI - PMC - PubMed
    1. Mohsen GA, Mohsin KG, Forsberg M et al. . Anomalous left circumflex artery from the right coronary cusp: a benign variant? J Invasive Cardiol 2013;25:284–7. - PubMed
    1. Page HL, Engel HJ, Campbell WB et al. . Anomalous origin of the left circumflex coronary artery: recognition, angiographic demonstration and clinical significance. Circulation 1974;50(4):768–73 doi:10.1161/01.CIR.50.4.768 - DOI - PubMed

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