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FDG PET/CT Unmasking Acute Rheumatic Fever Presenting as Polyenthesitis
Sampath Santhosh1, Rajasree Sundararajan2, Vidyalakshmi Devarajan3
1Department of Nuclear Medicine.
Abstract:
A 13-year-old boy underwent FDG PET/CT to evaluate fever of unknown origin, which demonstrated extensive abnormal activity around joints of all 4 extremities and probable myopericarditis. Subsequent rheumatologic evaluation, including cardiac auscultation and echocardiography, identification of subcutaneous nodules, and elevated antistreptolysin O titers, established the diagnosis of acute rheumatic fever (ARF). Symmetrical polyarthritis with enthesitis-myotendinitis is an uncommon manifestation of ARF.
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