Cardiac lipofibromatosis

Seeger Shen1, Jacques Rizkallah, Iain D C Kirkpatrick

  • 1Section of Cardiology, Department of Internal Medicine, University of Manitoba, Winnipeg, Manitoba, Canada.

Insights

This case study highlights cardiac lipofibromatosis, a rare heart condition. Advanced imaging aided in diagnosing this condition, which required pacemaker implantation due to associated arrhythmias.

Area of Science:

  • Cardiology
  • Cardiac Pathology
  • Medical Imaging

Background:

  • Cardiac lipofibromatosis is a rare, benign cardiac tumor characterized by the infiltration of mature adipose tissue and fibrous stroma.
  • This condition can present with various clinical manifestations, often mimicking other cardiac pathologies.
  • Understanding its imaging characteristics is crucial for accurate diagnosis and management.

Observation:

  • A patient presented with symptoms indicative of cardiac dysfunction.
  • The patient was diagnosed with atrial fibrillation and complete heart block.
  • This necessitated the implantation of a permanent pacemaker.

Findings:

  • Multimodality cardiac imaging, including transthoracic echocardiography and cardiac magnetic resonance (CMR), was employed for detailed tissue characterization.
  • Imaging findings were consistent with cardiac lipofibromatosis, allowing for differentiation from other cardiac masses.
  • The diagnostic utility of CMR in delineating the specific tissue composition of the tumor was notable.

Implications:

  • This case underscores the importance of considering rare cardiac tumors in the differential diagnosis of complex arrhythmias.
  • The successful application of multimodality imaging highlights its role in characterizing challenging cardiac lesions.
  • Accurate diagnosis and characterization of cardiac lipofibromatosis can guide appropriate clinical management and patient care.

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