Coronary Artery Plaque (IMAGE) Massachusetts General Hospital Caption These are images of a coronary artery plaque (Ca in image c) produced by standard OCT (image a) microOCT (image b) and tissue histology (image c). Credit <i>Nature Medicine</i> and the Wellman Center for Photomedicine at Massachusetts General Hospital Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.