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Identifying Coronary Artery Calcification on Non-gated Computed Tomography Scans
Published on: August 28, 2018
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Bulky Mitral Annulus Caseous Calcification in an Atypical Location.
Joana Laranjeira Correia1, Miguel Correia1,2
1Centro Hospitalar Tondela -Viseu, Viseu - Portugal.
Arquivos Brasileiros De Cardiologia
|December 21, 2022
Summary
Mitral annular calcification (MAC) is a degenerative process. This case report highlights a rare anterior mitral annulus caseous calcification (cMAC) diagnosis using cardiac magnetic resonance imaging.
Area of Science:
- Cardiology
- Cardiac Imaging
- Valvular Heart Disease
Background:
- Mitral annular calcification (MAC) is a common degenerative process, often age-related, but also linked to atherosclerosis and calcium-phosphorus metabolism.
- Caseous calcification of the mitral annulus (cMAC) is a rare variant presenting as an ovoid mass with internal calcifications and debris.
- Distinguishing cMAC from other mitral annulus masses can be challenging, often requiring advanced imaging.
Observation:
- Transthoracic echocardiography initially identified a left atrial mass.
- Cardiac magnetic resonance (CMR) and computed tomography were crucial for accurate diagnosis.
- The cMAC was located in the anterior mitral annulus, an atypical location.
Findings:
- This report details a rare case of anterior mitral annulus cMAC.
- Multimodal imaging, including CMR, is essential for diagnosing cMAC.
- Anterior annular involvement is exceptionally uncommon for cMAC.
Implications:
- Accurate diagnosis of cMAC is vital to differentiate it from other cardiac masses.
- Understanding atypical locations like the anterior annulus expands cMAC knowledge.
- Multimodal imaging protocols should be considered for complex mitral annulus lesions.
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