Unusual dominant course of left circumflex coronary artery to right coronary artery territory with absent right coronary artery. 2010

Hae Yoon Choi, and Jin Won Kim, and Ji Mi Moon, and Yoon Jung Kim, and Cheol Ung Choi, and Hong Euy Lim, and Eung Ju Kim, and Seung-Woon Rha, and Chang Gyu Park, and Hong Seog Seo, and Dong Joo Oh
Cardiovascular Center, Korea University Guro Hospital, 80 Guro-dong, Guro-gu, Seoul 152-703, Republic of Korea.

A single coronary artery (SCA) is a rare congenital anomaly of the coronary circulation, which is often associated with other congenital anomalies. The reported incidence of a SCA ranges from 0.6 to 1.3% of the population undergoing coronary angiography. The absence of the right coronary artery (RCA) with the origin of the RCA arising from the distal circumflex artery is an extremely rare variant of the SCA. The incidence of the anomaly is uncertain, with few cases reported. We report the case of a 68-year-old female, in whom the RCA arises as an extension of the distal left circumflex coronary artery.

UI MeSH Term Description Entries
D003330 Coronary Vessel Anomalies Malformations of CORONARY VESSELS, either arteries or veins. Included are anomalous origins of coronary arteries; ARTERIOVENOUS FISTULA; CORONARY ANEURYSM; MYOCARDIAL BRIDGING; and others. Anomaly, Coronary Vessel,Coronary Vessel Anomaly
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D017023 Coronary Angiography Radiography of the vascular system of the heart muscle after injection of a contrast medium. Angiography, Coronary,Angiographies, Coronary,Coronary Angiographies

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