CARAT Case Studies: Coronary Artery Variants and Anomalies (CAVA)

Case Study A01-1: LCA from RC Sinus - Course High between PA and Ao

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LCA_LAO 34 Cran 29

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LCA_RAO 2 Cran 36

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LCA_RAO 9 Caud 24
Confirms that anomalous LM course is ‘high’ on the coronary sinus and that all septals originate from LAD.

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RCA_LAO 48 Caud 3

Anatomy – An anomalous LCA origin from the RC Sinus can follow a pathway anterior to PA or behind the aorta, but most commonly between the PA and aorta. In this position two variants are seen: a pathway low on sinus close to the septum (most common) and a pathway high on the sinus (as in this example).

Construction - (Select Settings > Choose Button Q Nums.) Q1.4.4 template is used.

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