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Positive FDG-PET/CT uptake guiding diagnosis in a patient with microscopic polyangiitis: A case report

Napisa Bunnag1,2, Kitwiwat Phuangmali2,3,4, Sira Vachatimanont2,3

  • 1Department of Radiology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.

International Journal of Rheumatic Diseases
|December 11, 2022
PubMed

Insights

Microscopic polyangiitis (MPA), an autoimmune vasculitis, can be difficult to diagnose. Fluorine-18 fluorodeoxyglucose positron emission tomography/computed tomography (F-18 FDG-PET/CT) aided in diagnosing MPA in a patient with prolonged fever and non-specific symptoms.

Area of Science:

  • Immunology
  • Radiology
  • Nephrology

Background:

  • Microscopic polyangiitis (MPA) is a rare autoimmune vasculitis.
  • MPA diagnosis is often delayed due to diverse and non-specific clinical presentations.
  • Prolonged fever without localizing signs can be a challenging initial symptom.
Keywords:
FDGPET/CTfever of unknown originmicroscopic polyangiits

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