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Updated: Jan 21, 2026

Operating Transverse Aortic Constriction with Absorbable Suture to Obtain Transient Myocardial Hypertrophy
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Lipomatous Hypertrophy: An Accidental Finding in Heart.

F Petrelli1,2, L Spagnoli1,2, S Aversa1,2

  • 1Department of Medical Biotechnologies, University of Siena, Siena, Italy.

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Summary

Lipomatous hypertrophy is a rare, benign atrial lesion of unencapsulated adipose tissue. This condition often goes unnoticed, presenting as an incidental finding in cardiac imaging.

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Area of Science:

  • Cardiology
  • Pathology
  • Histology

Background:

  • Lipomatous hypertrophy is an uncommon benign cardiac lesion.
  • It involves unencapsulated adipose tissue accumulation within the atrium.
  • Cardiomyocytes are often entrapped within the adipose tissue.

Observation:

  • This pathology is typically asymptomatic and remains unnoticed.
  • It is frequently discovered as an incidental finding during cardiac examinations.
  • Two cases of lipomatous hypertrophy were identified and reviewed.

Findings:

  • The lesion is characterized by mature adipocytes without a capsule.
  • Histological examination reveals adipose tissue intermixed with cardiac muscle fibers.
  • Clinical presentation is often benign, with no significant symptoms reported.

Implications:

  • Understanding lipomatous hypertrophy is crucial for accurate cardiac diagnosis.
  • Distinguishing it from malignant tumors is essential for appropriate patient management.
  • Further research may elucidate the specific mechanisms and long-term implications of this benign condition.