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Caseous calcification of the mitral annulus

Fabian Plank1, Donya Al-Hassan, Giang Nguyen

  • 1Department of Radiology, St. Paul's Hospital, Vancouver, Canada; ; Department of Radiology, Innsbruck Medical University, Innsbruck, Austria;

Cardiovascular Diagnosis and Therapy
|November 28, 2013
PubMed

Insights

A case of atypical mitral annular calcification presented as an obstructive mass in the left ventricular outflow tract. This benign condition, typically found elsewhere, was diagnosed via cardiac computed tomography (CT) and surgery was deferred.

Area of Science:

  • Cardiovascular Imaging
  • Cardiac Pathology

Background:

  • Echocardiography is crucial for diagnosing cardiac masses and valve abnormalities.
  • Left ventricular outflow tract obstruction can result from various intracardiac masses.

Observation:

  • A 61-year-old woman presented with an asymptomatic systolic murmur.
  • Echocardiography revealed an echodense mass in the left ventricular outflow tract.
  • Cardiac CT confirmed a calcified mass on the anterior mitral valve leaflet.

Findings:

  • The mass was diagnosed as caseous calcification, a benign condition.
  • This represented an atypical location for caseous calcification, which commonly affects the mitral annulus.

Implications:

  • Accurate diagnosis through advanced imaging (echocardiography and CT) is vital for appropriate management.
  • Recognizing atypical presentations of benign conditions like caseous calcification can prevent unnecessary surgical intervention.
  • This case highlights the importance of considering varied etiologies for left ventricular outflow tract obstruction.

Keywords:
Computed tomography (CT)calcificationmitral valvevalve disease

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