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Prevalence of Noncalcified Coronary Plaques by 64-Slice Computed Tomography in Patients With an Intermediate Risk for Significant Coronary Artery Disease

Jörg Hausleiter, MD^_*,_*, Tanja Meyer, MD, Martin Hadamitzky, MD^_*, Adnan Kastrati, MD^_*, Stefan Martinoff, MD and Albert Schömig, MD^_*

^_* Klinik für Herz- und Kreislauferkrankungen, Klinik an der TU München, Munich, Germany.
Institut für Radiologie und Nuklearmedizin, Deutsches Herzzentrum München; Klinik an der TU München, Munich, Germany.

View larger version (25K): [in a new window]   Figure 1 Prevalence of calcified and noncalcified plaques in the study group. CAD = coronary artery disease; CT = computed tomography.

View larger version (69K): [in a new window]   Figure 2 Coronary computed tomography angiogram in a 52-year-old male patient who presented with chest pain. In the long-axis reconstruction (left), a large nonstenotic and noncalcified plaque is visualized in the proximal left anterior descending (LAD) coronary artery, which was the only manifestation of coronary artery disease in this patient. In the cross-sectional image of the LAD (right), the noncalcified plaque can be clearly depicted from the contrast-filled lumen and the surrounding connective tissue. The density measurements within the plaque revealed a predominantly lipid-rich plaque with 28 HU.