Related Experiment Videos
Cardiac sarcoidosis: the challenge of radiologic-pathologic correlation: from the radiologic pathology archives
Jean Jeudy1, Allen P Burke, Charles S White
1From the Department of Diagnostic Radiology and Nuclear Medicine (J.J., C.S.W., A.A.F.) and Department of Pathology (A.P.B.), University of Maryland Medical Center, 22 S Greene St, Baltimore, MD 21201; the Joint Pathology Center, Silver Spring, Md (A.P.B.); Department of Medical Imaging, Vrije Universiteit Medical Center, Amsterdam, the Netherlands (G.B.G.K.); and Department of Cardiovascular Imaging, American Institute for Radiologic Pathology, Silver Spring, Md (A.A.F.).
Insights
Diagnosing cardiac sarcoidosis is challenging due to nonspecific symptoms. Advanced imaging, like MRI and PET, aids detection and monitoring of this rare heart condition.
Area of Science:
- Cardiology
- Pathology
- Radiology
Background:
- Cardiac sarcoidosis is a rare, potentially fatal condition presenting with varied symptoms like arrhythmias and heart failure.
- Early diagnosis is crucial for better outcomes, but current detection methods are often limited and nonspecific.
- Histopathology via endomyocardial biopsy remains the gold standard but is invasive.
Purpose of the Study:
- To review clinical parameters, pathological findings, and advanced imaging features of cardiac sarcoidosis.
- To discuss diagnostic challenges and the importance of multidisciplinary collaboration.
- To propose unified terminology for radiologic findings in cardiac sarcoidosis.
Main Methods:
- Review of clinical manifestations, histopathologic findings, and diagnostic limitations.
- Analysis of advanced imaging modalities including cardiac MRI and FDG-PET.
- Discussion of differential diagnoses and collaborative diagnostic strategies.
Main Results:
- Cardiac sarcoidosis diagnosis relies heavily on clinical symptoms and disease course due to nonspecific tests.
- Advanced imaging (cardiac MRI, FDG-PET) shows increasing utility in diagnosis and monitoring.
- Multidisciplinary collaboration between clinicians, radiologists, and pathologists is essential.
Conclusions:
- Accurate diagnosis of cardiac sarcoidosis requires integrating clinical, pathological, and advanced imaging data.
- Standardized terminology for imaging findings can improve diagnostic consistency.
- Further prospective studies are needed to validate advanced imaging techniques.
Abstract:
Cardiac sarcoidosis is a rare but potentially fatal disorder with a nonspecific spectrum of clinical manifestations, including conduction disorders, congestive heart failure, ventricular arrhythmias, and sudden cardiac death. Although early treatment to improve morbidity and mortality is desirable, sensitive and accurate detection of cardiac sarcoidosis remains a challenge. Except for the histopathologic finding of noncaseating granulomas in an endomyocardial biopsy specimen, most diagnostic tests are limited and nonspecific at best. Therefore, the decision to initiate treatment is based largely on the patient's clinical symptoms and the course of the disease, rather than histologic confirmation. Successful recognition of cardiac sarcoidosis ultimately requires rigorous collaboration among a clinician, radiologist, and pathologist. Advanced imaging modalities, such as cardiac magnetic resonance imaging and positron emission tomography with fluorodeoxyglucose, have become increasingly useful in facilitating diagnosis and therapeutic monitoring, although limited prospective studies exist. This article describes the clinical parameters and pathologic findings of cardiac sarcoidosis and the advanced imaging features and differential diagnostic challenges that must be considered for a successful diagnostic approach. In addition, to improve the understanding of abnormalities detected with different imaging modalities, we suggest a unified terminology in describing radiologic findings related to cardiac sarcoidosis.