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Updated: Apr 8, 2026

An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat
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An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat

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Blood cyst of the anterior mitral leaflet causing severe mitral regurgitation

Suresh Madhavan1, K Jayaprakash1, N Jayaprasad1

  • 1Government Medical College, Kottayam, Kerala State, India.

Proceedings (Baylor University. Medical Center)
|July 2, 2015
PubMed

Insights

A rare blood cyst on the mitral valve caused severe regurgitation and heart failure in an elderly woman. This case highlights an unusual cause of significant mitral regurgitation.

Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Pathology

Background:

  • Mitral regurgitation (MR) is a common valvular heart disease.
  • Severe MR can lead to heart failure and increased mortality.
  • Etiologies of MR are diverse, including degenerative, ischemic, and rheumatic heart disease.

Observation:

  • A 70-year-old woman presented with symptoms of heart failure.
  • Echocardiography revealed severe mitral regurgitation.
  • Cardiac magnetic resonance imaging identified a cystic lesion on the anterior mitral leaflet.

Findings:

  • Histopathological examination confirmed the lesion as a blood cyst.
  • The blood cyst was determined to be the sole cause of the severe mitral regurgitation.
  • No other contributing factors for the valvular dysfunction were identified.

Implications:

  • This case expands the differential diagnosis for mitral regurgitation.
  • Blood cysts of the mitral valve, though rare, should be considered in unexplained severe MR.
  • Early recognition and appropriate management are crucial for improving patient outcomes.

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