Nuklearkardiologische Anwendungen am PET/MRT

Zusammenfassung

Positronenemissionstomografie (PET) und Magnetresonanz-Tomographie (MRT) spielen eine wichtige Rolle in der Diagnose von kardiovaskulären Erkrankungen. Während die kardiale MRT als ein diagnostischer Bildgebungsstandard für die Bestimmung allgemeiner kardialer Pathomorphologien, ventrikulärer und valvulärer Funktionenmessungen und Entdeckung und Quantifizierung myokardialer Narbengewebe gilt, werden kardiale PET-Untersuchungen unter Verwendung einer Vielzahl von Radiopharmaka zur Bestimmung der Myokardischämielast und des Myokardviabilitätgrads sowie Diagnostik myokardialer Entzündungen und Tumoren verwendet.

Abstract

It is well established that positron emission tomography (PET) and magnetic resonance imaging (MRI) play important roles in the diagnosis of various cardiovascular diseases. While cardiac MRI is regarded as a standard diagnostic imaging method for determining cardiac general morphologies, assessing and quantifying ventricular and valvular functions and detecting myocardial scar tissues, cardiac PET examinations, using varieties of well-known clinical applicable tracers, are frequently applied to determine the degree of myocardial ischemia and myocardial viability as well as presence and extend of myocardial inflammation and myocardial tumors. However, with recent discovery of an integrated PET/MRI a new approach has been introduced to the diagnostic fields of cardiovascular disorders. Combining both of these modalities in a single examination gives plenty of information that might interfere with the clinical utility of the integrated PET/MRI. Therefore, in this work we aimed to explain the exact role of the combined PET/MRI in cardiovascular imaging and cardiovascular diseases. We further aimed to show the technical issues of cardiac PET/MRI and try to find the cardiovascular diseases that might potentially get benefit from this combined PET/MRI.

Schlüsselwörter

Kardiale PET - MRT - PET/MRT - Kardiale Bildgebung - Herzerkrankungen

Key words

Cardiac PET - MRI - PET/MRI - Cardiovascular imaging - Cardiac diseases

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