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Acute Myocardial Infarction in a Patient with Two-Vessel Occlusion and a Large Lambl's Excrescence

Alfredo Pizzuti1, Francesco Parisi2, Luciano Mosso3

  • 1Division of Cardiology, Mauriziano Hospital, Torino, Italy.

Case Reports in Cardiology
|December 21, 2016
PubMed

Insights

Lambl's excrescence (LE), a rare aortic valve mass, was diagnosed in a patient post-myocardial infarction. Surgical excision was performed, confirming LE but indistinguishable from papillary fibroelastoma histologically.

Area of Science:

  • Cardiology
  • Pathology
  • Surgical Medicine

Background:

  • Lambl's excrescence (LE) is a rare, mobile mass on the aortic valve.
  • Echocardiography is crucial for diagnosing cardiac masses.
  • Embolism from cardiac masses can lead to coronary occlusion.

Purpose of the Study:

  • To report a case of suspected Lambl's excrescence.
  • To discuss the diagnostic challenges and differential diagnosis.
  • To review current literature and treatment recommendations.

Main Methods:

  • Echocardiography was performed to visualize the aortic valve mass.
  • Surgical excision of the mass was conducted.
  • Histopathological examination was used for diagnosis.

Main Results:

  • A thin, mobile mass attached to the aortic valve was identified.
  • Histology confirmed Lambl's excrescence.
  • Histological differentiation from papillary fibroelastoma was not possible.

Conclusions:

  • Lambl's excrescence diagnosis can be challenging.
  • Histological similarity exists between Lambl's excrescence and papillary fibroelastoma.
  • Evidence-based treatment guidelines for Lambl's excrescence are lacking.

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