Mesothelial or monocytic incidental cardiac excrescence on anterior leaflet of mitral valve

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Abstract

Mesothelial or monocytic incidental cardiac excrescence (MICE) is a rare, benign lesion composed of a mixture of mesothelial and inflammatory cells, histiocytes and fibrin without a vascular network usually accidentally found during cardiac surgery or after cardiac catherization. We report the case of a 45-year-old man admitted for suspected myxoma on the mitral valve. The lesion was removed via a minimally invasive video-assisted approach, without compromising the valve competency. The histopathological exam led to the diagnosis of MICE. The 2-year follow-up echocardiography confirmed normal mitral function without recurrence. Most of the cases were treated concomitantly to other cardiac procedure, lesions were more frequently founded in the left cardiac chambers or valves, our experience suggest that these lesions should be safely treated alone by surgical removal, to prevent embolic events.

Original languageEnglish
Pages (from-to)2418-2421
Number of pages4
JournalJournal of Cardiac Surgery
Volume35
Issue number9
DOIs
Publication statusPublished - Sep 1 2020

Keywords

  • mesothelial/monocytic incidental cardiac excrescence
  • mitral valve

ASJC Scopus subject areas

  • Surgery
  • Pulmonary and Respiratory Medicine
  • Cardiology and Cardiovascular Medicine

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