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18-F fluorodeoxyglucose positron emission tomography indicating unsuspected infections in two patients with
C Bachmeyer1, K Kerrou, O Chosidow
1Internal Medicine Service, CHU Tenon (AP-HP), 75020 Paris, France. claude.bachmeyer@tnn.aphp.fr
Abstract:
Dermatomyositis is an idiopathic inflammatory myopathy that may be associated with malignancies. The technique of 18-F fluorodeoxyglucose (FDG)-positron emission tomography (PET) is an important tool to investigate underlying malignancy in patients with a possible paraneoplastic syndrome. We report two consecutive patients with dermatomyositis in whom 18-F FDG-PET revealed unsuspected infections. Physicians should be aware that a positive 18-F FDG-PET is not specific for malignancy and may reveal other conditions including an infectious disorder.
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