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Updated: Apr 15, 2026
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Identifying Coronary Artery Calcification on Non-gated Computed Tomography Scans
Published on: August 28, 2018
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Subvalvular left ventricular outflow tract obstruction caused by "rhinonodular" calcification
J A Colleran1, A P Burke2, A L Mosley3
1Division of Cardiology, Georgetown University Medical Center Washington, D.C., USA.
Insights
Cardiac calcification is common in renal failure patients. This study details an unusual case where calcification obstructed the left ventricular outflow tract, not the aortic valve.
Area of Science:
- Cardiology
- Nephrology
- Pathology
Background:
- Cardiac calcification is a frequent complication in patients with chronic kidney disease and end-stage renal disease.
- Common sites include the mitral annulus, aortic valve, and coronary arteries.
- The clinical significance of cardiac calcification ranges from asymptomatic findings to severe hemodynamic compromise.
Purpose of the Study:
- To report a rare presentation of cardiac calcification.
- To highlight obstruction of the left ventricular outflow tract (LVOT) as an atypical manifestation.
- To differentiate this case from typical valvular calcification patterns.
Main Methods:
- Case report of a patient with renal failure and cardiac calcification.
- Clinical presentation, diagnostic imaging (echocardiography, CT), and pathological findings were reviewed.
- Focus on the location and extent of calcific deposits.
Main Results:
- The patient presented with cardiac calcification.
- Calcific deposits were found to obstruct the left ventricular outflow tract.
- Minimal calcification was noted in the aortic valve, contrasting with typical presentations.
Conclusions:
- Cardiac calcification in renal failure can manifest atypically.
- LVOT obstruction due to calcification is a rare but significant finding.
- Awareness of these atypical patterns is crucial for accurate diagnosis and management in patients with renal failure.
Abstract:
Cardiac calcification is a common problem in patients with renal failure. Calcific deposits often affect the mitral annulus, the aortic valve, and the coronary arteries. We report an atypical case of cardiac calcification obstructing the left ventricular outflow tract with minimal aortic valve calcification.
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