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Published on: May 26, 2023
[Liquefactive necrosis of the mitral ring]
A Martínez De Alegría Alonso1, C Delgado Sánchez-Gracián, G Fernández Pérez
1Servicio de Radiología, Hospital Clínico Universitario de Santiago de Compostela, Santiago de Compostela, España. anxoma@teleline.es
Radiologia
|January 26, 2010
Summary
Liquefactive necrosis of the mitral ring is a rare periannular calcification. Radiologists must recognize its characteristic CT appearance to prevent misdiagnosis.
Area of Science:
- Cardiology
- Radiology
- Pathology
Background:
- Liquefactive necrosis of the mitral ring is a rare form of periannular calcification.
- It is often incidentally discovered during echocardiography.
- Familiarity with its imaging characteristics is crucial for accurate diagnosis.
Observation:
- On computed tomography (CT), it presents as a semilunar mass.
- The mass exhibits hypointense or hyperintense signal intensity.
- It is characterized by dense margins and is located posterior to the mitral annulus.
Findings:
- Routine use of multidetector CT (MDCT) increases detection rates.
- Three cases are presented, with one surgically confirmed.
- Imaging features and differential diagnoses are discussed.
Implications:
- Accurate identification of liquefactive necrosis of the mitral ring is essential.
- Radiologists need to be aware of this entity to avoid diagnostic errors.
- Understanding its characteristic appearance aids in differentiating it from other periannular pathologies.
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