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Case of the Week 394 
What is the most likely diagnosis?
- 76 year-old with hypertension
Axial CT scan through heart
- Anemia
- Left atrial myxoma
- Caseous calcification of mitral annulus
- Pulmonary emboli
- Calcified left ventricular thrombus
Additional Image - Coronal reformatted CT through heart
Additional Images
Coronal reformatted CT through heart
Answer:
.
3. Caseous Calcification of the Mitral Annulus
.
.
More (Click Discussion Tab)
Caseous Calcification of the Mitral Annulus
General Considerations
- Mitral annular calcification is found in 10% of patients > than 50 years of age, most often in women
- It is a chronic degenerative process almost always asymptomatic
- Represents deposition of calcium between the basal infero-lateral ventricular wall and posterior leaflet of mitral valve
- Caseous calcification of the mitral annulus is an uncommon variant of mitral annular calcification with a characteristic appearance
- Represents a mixture of calcium, cholesterol and fatty acids
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is an award-winning educational website aimed primarily at medical students and radiology residents-in-training, containing lectures, handouts, images, Cases of the Week, archives of cases, quizzes, flashcards of differential diagnoses and “most commons” lists, primarily in the areas of chest, GI, GU cardiac, bone and neuroradiology. |
