title: Anomalous origin of posterior descending artery from left anterior descending in the presence of a diminutive right coronary artery: diagnosed by ECG gated multi-detector CT.
abstract: Coronary anomalies are easily detected on ECG gated multi-detector CT which has shown to be superior to conventional angiography is demonstrating their origin and course. We present an unusual case of posterior descending artery arising as the continuation of the left anterior descending artery (LAD) in the presence of a diminutive right coronary artery (RCA). The LAD crossed over the apex and continued its course to the base of the heart in the posterior interventricular groove as PDA. The RCA, although normal in origin, was diminutive and terminated on the lateral wall of the right ventricle. This anomaly has been rarely reported and the previous cases have all been conventional angiographic findings.
authors: Radiology Department, Day General Hospital, Tehran, Iran.
authors: Mahmood
authors: M
authors: Tehrai
authors: Bahare
authors: B
authors: Saidi
authors: Mahmoud
authors: M
authors: Goodarzi
authors: Hamidreza
authors: H
authors: Baharjoo
authors: Farideh
authors: F
authors: Roshanali
authors: Mohammad
authors: M
authors: Davoodi
mesh_terms: D017023:Coronary Angiography; D003330:Coronary Vessel Anomalies / Q000000981:diagnostic imaging*; D003331:Coronary Vessels; D005260:Female; D006352:Heart Ventricles / Q000000981:diagnostic imaging; D006801:Humans; D008875:Middle Aged