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Related Experiment Video

Updated: Nov 16, 2025

Cardiac Magnetic Resonance for the Evaluation of Suspected Cardiac Thrombus: Conventional and Emerging Techniques
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Left Ventricular Apical Thrombus Mimicking Hypertrabeculation.

Ikuo Misumi1, Koji Sato1, Miwa Nagano1

  • 1Department of Cardiology, Kumamoto City Hospital, Japan.

Internal Medicine (Tokyo, Japan)
|February 22, 2021
PubMed
Summary

A 73-year-old man presented with heart failure symptoms. Diagnostic imaging revealed a left ventricular thrombus mimicking hypertrabeculation, which resolved with treatment.

Keywords:
cardiac magnetic resonance imagingleft ventricular noncompactionleft ventricular thrombus mimicking hypertrabeculation

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Area of Science:

  • Cardiology
  • Cardiovascular Imaging

Background:

  • Left ventricular thrombus formation can present with diverse imaging characteristics.
  • Distinguishing thrombus from native cardiac structures is crucial for accurate diagnosis and management.

Observation:

  • A 73-year-old male presented with dyspnea and epigastralgia, elevated brain natriuretic peptide, and ECG abnormalities.
  • Echocardiography revealed left ventricular dilatation and hypokinesis with apparent hypertrabeculation.
  • Cardiac MRI showed a large apical trabecula with low contrast uptake.

Findings:

  • The apparent apical hypertrabeculation was identified as a left ventricular thrombus.
  • The thrombus resolved completely following diuretic therapy.

Implications:

  • This case highlights the importance of comprehensive cardiovascular imaging and clinical correlation.
  • It underscores the potential for cardiac thrombi to mimic native myocardial structures, necessitating careful diagnostic evaluation.