Key result
ECG-gated MDCT identifies rare intercoronary communication between the RCA and LCX.
Why the study?
Intercoronary communication between the two main coronary arteries in the absence of an obstructive lesion has an unknown true prevalence in the general population and a documented coronary angiographic incidence of 0.002% to 0.02%.
Case Report (n=1)
Multidetector computed tomography can incidentally identify rare congenital coronary anomalies such as intercoronary communication.
Answers are grounded in this paper and cite their sources.
MDCT may incidentally detect rare intercoronary communications; leaves open their clinical significance and management.
An intercoronary communication is a direct communication between the two main coronary arteries and it can develop in the absence of an obstructive lesion (1, 2). Its true prevalence in the general population is not known, but the documented coronary angiographic incidence is 0.002% in 126595 patients and 0.02% in 9726 patients (1, 3). It can be distinguished from collateral arteries by its angiographic features, and it does not reflect an underlying coronary disease (2). Here, we present a case of intercoronary communication between the right coronary artery (RCA) and the left circumflex coronary artery (LCX) found incidentally in a 48-year-old man. The initial diagnosis was made using electrocardiogram (ECG)-gated multidetector computed tomography (MDCT).
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Kwon et al. (2016) conducted a case report in Intercoronary communication between the right coronary artery and left circumflex coronary artery (n=1). Electrocardiogram-gated multidetector computed tomography (MDCT) was evaluated. ECG-gated multidetector computed tomography incidentally diagnosed an intercoronary communication between the RCA and LCX in a 48-year-old man (documented incidence 0.002% to 0.02%).
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