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Giant caseous mitral annular calcification mimicking ventricular pseudoaneurysm

An 82‐year‐old woman with precordial pain at rest was admitted to the Emergency Department for possible cardiac heart disease; electrocardiogram excluded ischemia and high‐sensitive troponin was normal. Echocardiogram revealed a hyperechoic mass adjacent to the mitral annulus. Electrocardiography‐ga...

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Detalles Bibliográficos
Autores principales: Galea, Nicola, Pambianchi, Giacomo, Cilia, Francesco, Mancuso, Giuseppe, Marchitelli, Livia
Formato: Online Artículo Texto
Lenguaje:English
Publicado: John Wiley and Sons Inc. 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8251515/
https://www.ncbi.nlm.nih.gov/pubmed/33738815
http://dx.doi.org/10.1111/jocs.15509
Descripción
Sumario:An 82‐year‐old woman with precordial pain at rest was admitted to the Emergency Department for possible cardiac heart disease; electrocardiogram excluded ischemia and high‐sensitive troponin was normal. Echocardiogram revealed a hyperechoic mass adjacent to the mitral annulus. Electrocardiography‐gated computed tomography (CT) angiography exam confirmed the presence of the mass protruding into the atrioventricular groove, adjacent to the posterior mitral. On the precontrast images the lesion was hyperdense with some scattered central calcific spots. CT findings are typical of a giant caseous calcification of the mitral annulus and excluded the diagnoses of pseudoaneurysm (it does not show any communication with the left ventricular cavity), neoplasm/abscess (complete caseous/calcified content) or infected/abscessified mitral calcification (absence of internal hypodense core). This is a benign condition that can be easily misdiagnosed as ventricular aneurysm or pseudoaneurysm on the contrast‐enhanced images, when the caseous content is isodense to the iodinated blood pool.