ArticleThe Journal of international medical research2026
A rare case of ectopic origin of the left anterior descending artery from the right coronary sinus misdiagnosed as a chronic total occlusion lesion.
Article in The Journal of international medical research, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
We report a rare case of a left anterior descending artery originating from the right coronary sinus. The original left anterior descending artery was small and appeared occluded; it was initially misdiagnosed as a chronic total occlusion lesion. However, a displaced left anterior descending artery was identified during angiographic evaluation. Although a left main coronary artery arising from the right coronary sinus is uncommon (prevalence of 0.03%), to the best of our knowledge, this is the first reported case of an ectopic left anterior descending artery originating from the right coronary sinus.
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