Atherosclerosis in internal mammary arteries selected for coronary artery bypass grafting

H A Heggtveit1, F V Lobo

  • 1Department of Pathology, Hamilton Civic Hospital, Ontario.

Atheromas are infrequent in the internal mammary artery (IMA) which is now the conduit of choice for coronary artery bypass grafting (CABG). Described are two cases of significant atherosclerotic stenosis near the distal ends of IMAs selected for CABG.