Abstract
Nuclear medicine techniques allow important insights not only into oncologic, neurologic, and infectious conditions, but also for the assessment of rheumatic diseases. This review provides a brief, update on the potential role of nuclear imaging in rheumatology, especially on 18F-fluorodeoxyglucose (FDG) positron emission tomography for the diagnosis of giant cell arteritis and other large vessel arteritis according to international recommendations. Besides, the potential role of this and other nuclear imaging techniques for the rheumatologic practice are summarized. With 18F-fluoride as tracer for positron emission tomography, a new option for bone scintigraphy comes up, whereas the use of a semiquantitative sialoscintigraphy is no more supported for classification of Sjögren's syndrome according to current recommendations. Other techniques are used for different organ manifestations in systemic rheumatic diseases like for myocardial infarction and apoplectic insult.
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