Natarajan M, Kumarguru B N, Biligi Dayananda S, Raghupathi A R
Department of Pathology, Bangalore Medical College and Research Institute, Bangalore, Karnataka, India.
Department of Pathology, PES Institute of Medical Sciences and Research, Kuppam, Andhra Pradesh, India.
N Am J Med Sci. 2015 Aug;7(8):371-3. doi: 10.4103/1947-2714.163646.
Coronary artery anomalies are uncommon and most are incidental findings. Double right coronary artery (RCA) is a very rare coronary artery anomaly.
We report two cases of double RCA incidentally found in electrocuted patients. Both cases showed double RCA arising from separate ostia. On microscopy, both right coronaries showed no significant pathology in the first case while in the second case, the posterior RCA showed features of obliterative arteritis.
Although double coronary artery has been regarded as hemodynamically insignificant, it may be associated with atherosclerosis, acute coronary syndromes, and other anomalies. It is important to know the anatomic variants. Meticulous grossing and careful observation could unearth hidden anomalies.
冠状动脉异常并不常见，大多数是偶然发现的。双右冠状动脉是一种非常罕见的冠状动脉异常。
我们报告两例在电击伤患者中偶然发现的双右冠状动脉病例。两例均显示双右冠状动脉起源于不同的开口。在显微镜检查中，第一例的两条右冠状动脉均未显示明显病变，而第二例中，后降支右冠状动脉显示有闭塞性动脉炎的特征。
尽管双冠状动脉一直被认为对血流动力学影响不大，但它可能与动脉粥样硬化、急性冠状动脉综合征及其他异常有关。了解解剖变异很重要。细致的大体检查和仔细的观察可能会发现隐藏的异常。
