Gallium-67 Imaging in Cardiomyopathy

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Unexplained congestive cardiomyopathy is a clinical dilemma. Decisions on therapy should depend upon the documentation of active myocardial inflammation. No determinants, including endomyocardial biopsy, consistently clarify the issue.

Cardiac imaging has become an adjunctive procedure for the cardiologist. Practical uses have been limited to diagnostic and functional studies in ischemic heart disease. Gallium-67 scanning has been useful in localizing not only acute inflammation but also smoldering responses in liver disease, pulmonary disease, and allograft rejection (1). Myocardial gallium-67 imaging may be valuable in the diagnosis of inflammatory lesions of the heart (2, 3). We describe here myocardial gallium-67 localization in

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