Imaging hallmarks of an interatrial septal aneurysm (IASA) are > 15 mm lateral prolapsing motion and identical signal characteristics to blood pool. Herein we describe a case of IASA confirmed on surgical excision with imaging features in contrast to this, where it mimicked an atrial myxoma on cardiovascular magnetic resonance (CMR) imaging.
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- MR imaging of cardiac tumours.Radiographics. 2005; 25: 1255-1276
Published online: December 10, 2020
Accepted: December 7, 2020
Received: November 6, 2020
See page 1674 for disclosure information.
© 2020 Canadian Cardiovascular Society. Published by Elsevier Inc. All rights reserved.