Anomalous origin of left internal mammary artery from distal subclavian artery

Ramazan Uygur,

doi:10.5606/tgkdc.dergisi.2014.8626

Ramazan Uygur¹, Aydın Akyüz², Veli Çağlar¹, Şeref Alpsoy², Dursun Çayan Akkoyun²

¹Departments of Anatomy, Medical Faculty of Namık Kemal University, Tekirdağ, Turkey
²Departments of Cardiology, Medical Faculty of Namık Kemal University, Tekirdağ, Turkey

DOI : 10.5606/tgkdc.dergisi.2014.8626

The internal mammary artery arises from the first part of the subclavian artery. The left internal mammary artery (LIMA) is an excellent graft for myocardial revascularization of the left anterior descending artery. In this article, we describe a quite important variation of an anomalous origin of LIMA, which is rarely seen. In our case, LIMA was arising from the distal of the third part of the subclavian artery. Therefore, it is of utmost importance to perform LIMA angiography before coronary artery bypass grafting surgery.

Keywords : Angiography; anomaly; left internal mammary artery

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