Case Report| Volume 26, ISSUE 3, P221-224, September 2022

Caseous calcification of mitral annulus evaluated by multi-modality imaging including cardiac magnetic resonance parametric mapping


      We report an 85-year-old woman with caseous calcification of mitral annulus (CCMA), a rare variant of mitral annular calcification with caseous degeneration, in which imaging findings were useful for elucidating the pathogenesis and diagnosis. Since the CCMA is considered to be benign, it is important for clinicians to differentiate CCMA from other cardiac masses using multi-modality imaging in order to avoid unnecessary surgery. To the best of our knowledge, there is a paucity of literature regarding cardiac magnetic resonance (CMR) parametric mapping, an emerging technique, for evaluating CCMA. In the present case, by using multi-modality imaging including CMR parametric mapping, we were able to characterize the abnormal structure at mitral annulus non-invasively, and diagnosed the structure as CCMA. CMR with parametric mapping may have a role in the identification and definition of cardiac masses including CCMA.

      Learning objective

      Caseous calcification of mitral annulus (CCMA) is a rare variant of mitral annular calcification, but is not infrequently encountered in daily practice. Multi-modality imaging including cardiac magnetic resonance is useful for the diagnosis of CCMA. Differential diagnosis of cardiac masses at the mitral annulus including CCMA is important, and clinicians need to know the multi-modality imaging findings related to CCMA.


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