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Updated: May 7, 2026

Cardiac Magnetic Resonance for the Evaluation of Suspected Cardiac Thrombus: Conventional and Emerging Techniques
Published on: June 11, 2019
CT and MRI appearances of cardiac pseudotumours
Laura E Rueff1, Monvadi B Srichai, Jill E Jacobs
1Department of Radiology, NYU Langone Medical Center, New York, New York, USA.
Insights
Cardiac variants and non-tumorous masses can mimic tumors, leading to unnecessary procedures. Multi-detector computed tomography and magnetic resonance imaging help differentiate these lesions, avoiding misdiagnosis and inappropriate interventions.
Area of Science:
- Radiology
- Cardiovascular Imaging
- Diagnostic Imaging
Background:
- Cardiac masses can be challenging to diagnose.
- Anatomic variants and benign lesions may be mistaken for neoplasms.
- Misinterpretation can lead to unnecessary invasive procedures.
Purpose of the Study:
- To review the role of cross-sectional imaging in evaluating cardiac masses.
- To differentiate benign cardiac lesions from true tumors.
- To highlight "don't touch" lesions that do not require intervention.
Main Methods:
- Review of multi-detector computed tomography (MDCT) and magnetic resonance imaging (MRI) findings.
- Discussion of common cardiac anatomic variants.
- Analysis of non-neoplastic mass lesions and pseudotumors.
Main Results:
- MDCT and MRI are complementary in characterizing cardiac masses.
- Distinct imaging features can identify benign variants and pseudotumors.
- Certain lesions ('don't touch' lesions) can be confidently diagnosed as benign.
Conclusions:
- Cross-sectional imaging is crucial for accurate cardiac mass evaluation.
- Proper interpretation avoids misdiagnosis of benign conditions as tumors.
- MDCT and MRI aid in preventing unnecessary interventions for cardiac lesions.
Abstract:
Cardiac anatomic variants, vascular abnormalities and non-neoplastic mass lesions may be misinterpreted as tumours, potentially leading to inappropriate intervention. This article discusses the complementary role of multi-detector computed tomography and magnetic resonance imaging in the work-up of suspected masses. The cross-sectional imaging appearance of common or distinctive anatomic variants and pseudotumours, including 'don't touch' lesions, are reviewed.
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An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...