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.

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