Case report
Late enhancement on cardiac computed tomography in a patient with cardiac sarcoidosis

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Abstract

Cardiac computed tomography (CT) angiography permits detection of myocardial scars through “late enhancement.” We report the case of a patient with suspected cardiac sarcoidosis. Because of implanted defibrillator leads, magnetic resonance imaging was not possible. Dual-source CT with intravenous contrast injection was used as an alternative technique to detect late myocardial enhancement. A typical pattern of myocardial scarring allowed us to establish the diagnosis of cardiac sarcoidosis. CT imaging may be an alternative diagnostic tool to visualize late enhancement in patients with contraindications to magnetic resonance imaging.

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Case history

A 38-year-old man presented with suspected cardiac sarcoidosis because of a chest computed tomography (CT), indicating sarcoidosis stage I and a history of ventricular tachycardia. The patient had previously undergone implantable cardioverter-defibrillator (ICD) placement because of a 2-year history of ventricular tachycardia, reduced left ventricular function (ejection fraction, 40%), and the absence of coronary stenoses in invasive angiography. Dual-source CT (DSCT) was performed to analyze

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Conflict of interest: The authors report no conflicts of interest.

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Copyright © 2008 Society of Cardiovascular Computed Tomography. Published by Elsevier Inc. All rights reserved.