Rarities in the catheterization Lab. A strange type of single coronary artery.

The single coronary artery, a rare but well described coronary artery anomaly, is considered potentially dangerous. A case of a 71-year old woman, suffering from a moderate arterial hypertension and frequent episodes of atypical chest pain is described. The woman was found to have a strange type of single coronary with hypoplastic circumflex coronary artery, difficulty classifiable as a Lipton R-II A single coronary artery. The anatomical features and classification criteria of the case are also described.