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Caseous calcification of the mitral valve ring.
Constantin B Marcu1, Andre E Ghantous, Edward K Prokop
1Vrije University Medical Center, Department of Cardiology 6D 120, De Boelelaan 1117, 1081 HV Amsterdam, The Netherlands. cobmarcu@hotmail.com
Heart, Lung & Circulation
|May 23, 2006
Summary
Mitral annular calcification (MAC) is a common finding in older adults. An uncommon variant, caseous MAC, has a benign prognosis despite its appearance and should not be mistaken for serious conditions.
Area of Science:
- Cardiology
- Medical Imaging
Background:
- Mitral annular calcification (MAC) affects 10% of individuals over 50.
- It involves calcium deposition in the mitral valve annulus.
Purpose of the Study:
- To describe the characteristics and diagnostic considerations of caseous MAC.
Main Methods:
- Echocardiography was used to identify and characterize caseous MAC.
- The study reviewed the prevalence and appearance of this condition.
Main Results:
- Caseous calcification is an uncommon variant of MAC (0.6% of MAC patients).
- It presents as a large, echo-dense mass with a central echo-lucent area and smooth borders.
- This variant has a benign prognosis.
Conclusions:
- Caseous MAC is a distinct entity with a characteristic echocardiographic appearance.
- It is crucial to differentiate caseous MAC from more severe pathologies like myocardial abscesses or tumors.