Vasculite de grandes vasos em doente com febre de origem indeterminada.

Autores

  • Joana Mesquita Serviço de Medicina Interna, Hospital de São João, Porto.
  • S Pereira

DOI:

https://doi.org/10.20344/amp.1722

Resumo

Fever of unknown origin (FUO) is a challenging diagnosis. Recently, 18F-fluorodeoxyglucose positron-emission tomography (FDG-PET) has emerged as an useful exam to its diagnosis. The authors present a case of a 64-years-old woman with an aortic mechanical valve that was admitted to the internal medicine department because of fever, weakness and weight loss of 2 months duration. Her physical examination was unremarkable. Laboratory findings showed microcytic anemia, no leukocytosis, and elevated C-reactive protein and erythrocyte sedimentation rate. Microbiology, immunology and imaging studies were normal. A FDG-PET was performed, which showed 18F-FDG uptake in aorta and its branches arterial wall. Treatment with corticosteroids was started with good response. This exam, although not sensitive for temporal arteritis when only smaller vessels are involved, permits the diagnosis of large vessel vasculitis with involvement of arteries that can not be biopsied.

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1.
Mesquita J, Pereira S. Vasculite de grandes vasos em doente com febre de origem indeterminada. Acta Med Port [Internet]. 31 de Dezembro de 2009 [citado 30 de Junho de 2024];22(6):867-70. Disponível em: https://actamedicaportuguesa.com/revista/index.php/amp/article/view/1722

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