Ultrasound Registry Review (URR) MV Abnormalities And Disease Practice Test

Caseous Annular Calcification is best described as which of the following?

Common variant of annular calcification Rare variant of annular calcification A calcification of the aortic annulus A growth on the leaflets

Correct Answer:

Rare variant of annular calcification

Explanation:

Caseous annular calcification is best understood as a rare variant of annular calcification, specifically involving the mitral annulus. The term “caseous” describes a central area of soft, cheese-like necrosis surrounded by a calcified shell. This sets it apart from the more common, solid annular calcification and explains why it can resemble a mass or vegetation on imaging. It is not a simple calcification of the aortic annulus, nor a growth on the valve leaflets, reinforcing why the correct description is that this is a rare form of annular calcification.

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