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From patient to plaque. Contemporary coronary imaging – part 2: optical coherence tomography 

July 2010 Br J Cardiol 2010;17:190-3

From patient to plaque. Contemporary coronary imaging – part 2: optical coherence tomography 

Sudhir Rathore, Scott W Murray, Rodney H Stables, Nick D Palmer

Abstract

Introduction Table 1. Image characteristics of optical coherence tomography (OCT) Optical coherence tomography (OCT) uses near-infrared electromagnetic radiation, and cross-sectional images are generated by measuring the echo time delay and intensity of light that is reflected or back-scattered from internal structures in the tissue.1,2 Current OCT images are obtained at the peak wavelength in the 1,280–1,350 nm band that enables a 10–15 µm tissue axial resolution, 94 µm lateral resolution at 3 mm, and maximal scan diameter of 6–8 mm (about 10 times resolution as compared with intravascular ultrasound [IVUS]). There are two main tech

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