Accordion sign – Cardiology MCQ – Answer

Accordion sign – Cardiology MCQ – Answer Accordion sign on magnetic resonance imaging (MRI) is seen in – Correct answer: 3. Arrhythmogenic right ventricular cardiomyopathy A focal crinkling of the right ventricular outflow tract and subtricuspid regions on MRI in arrhythmogenic right ventricular cardiomyopathy/dysplasia (ARVD/C) has been called “accordion sign” [1]. It was observed in 60% of the mutation carriers and none of those without the mutation (p < 0.001). {Another accordion sign (also called concertina sign) has been described in computed tomography (CT) after administration of oral contrast in pseudomembranous colitis due to edema of the colon. Similar finding due to colonic edema has also been described in cirrhosis liver and other conditions with gross colonic edema. [2]} Back to question Reference Darshan Dalal, Harikrishna Tandri, Daniel P Judge, Nuria Amat, Robson Macedo, Rahul Jain, Crystal Tichnell, Amy Daly, Cynthia James, Stuart D Russell, Theodore Abraham, David A Bluemke, Hugh Calkins. Morphologic variants of familial arrhythmogenic right ventricular dysplasia/cardiomyopathy a genetics-magnetic resonance imaging correlation study. J Am Coll Cardiol. 2009 Apr 14;53(15):1289-99. M Macari, E J Balthazar, A J Megibow. The accordion sign at CT: a nonspecific finding in patients with colonic edema. Radiology. 1999 Jun;211(3):743-6. The post Accordion sign – Cardiology MCQ – Answer appeared first on All About Cardi...
Source: Cardiophile MD - Category: Cardiology Authors: Tags: Cardiology MCQ DM / DNB Cardiology Entrance Source Type: blogs