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[Chronic pericarditis: CT and MR imaging features].

A Belgour¹, L P Christiaens, N Varroud-Vial

¹Service de Radiologie, Pôle d'imagerie, CHU La Milétrie. 2 rue de la Milétrie, BP 577, 86021 Poitiers, France. alibelgour@gmail.com

Journal De Radiologie

|July 27, 2010

Summary

This summary is machine-generated.

Constrictive pericarditis diagnosis involves identifying pericardial thickening and abnormal septal motion. Advanced imaging techniques like CT and MRI aid in detecting calcifications and other key indicators.

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Cardiac Magnetic Resonance for the Evaluation of Suspected Cardiac Thrombus: Conventional and Emerging Techniques

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Area of Science:

Cardiology
Radiology
Medical Imaging

Background:

Constrictive pericarditis diagnosis relies on specific imaging findings.
Pericardial thickening and abnormal septal motion are key indicators.
Various imaging modalities offer complementary diagnostic information.

Observation:

Pericardial thickening (>=4 mm) and abnormal interventricular septal motion suggest constrictive pericarditis.
Additional signs include ventricular and atrial dilatation, and abnormal diastolic expansion.
Computed tomography (CT) excels at visualizing pericardial calcifications, mediastinal adenopathy, and lung lesions suggestive of tuberculosis.

Findings:

CT demonstrates pericardial calcifications more readily than ultrasound (US) and magnetic resonance imaging (MRI).
Abnormal septal motion analysis, using cine techniques during protodiastole and systole with CT and MR, is crucial.
Tubular ventricles, vena cava dilatation, and atrial dilatation are associated findings.

Implications:

Accurate diagnosis of constrictive pericarditis is essential for timely treatment.
CT and MRI provide valuable, often complementary, information for diagnosis.
Identifying underlying causes like tuberculosis through imaging is critical for effective management.