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Temporal arteritis associated with systemic necrotizing vasculitis.

Mohamed A Hamidou1, Anne Moreau, Claire Toquet

  • 1Department of Internal Medicine and Laboratory of Pathology, University Hospital Hôtel-Dieu, Place Alexis Ricordeau, Nantes 44035, France. mohamed.hamidou@chu-nantes.fr

The Journal of Rheumatology
|October 7, 2003
PubMed
Summary
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Systemic vasculitis with temporal artery involvement often presents with extracranial symptoms. Temporal artery biopsy aids diagnosis but may not distinguish between necrotizing vasculitis and giant cell arteritis.

Area of Science:

  • Rheumatology
  • Pathology
  • Clinical Medicine

Background:

  • Systemic necrotizing vasculitis can involve the temporal artery.
  • Distinguishing between vasculitis types based on temporal artery histology can be challenging.

Purpose of the Study:

  • To evaluate clinical and laboratory features of patients with systemic vasculitis and temporal artery involvement.
  • To assess the diagnostic utility of temporal artery biopsy in these cases.

Main Methods:

  • Retrospective analysis of 120 patients with temporal arteritis.
  • Identification of 7 patients with systemic necrotizing vasculitis and temporal arteritis.
  • Review of clinical, laboratory, and histopathological findings.

Main Results:

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  • The 7 patients included polyarteritis nodosa, unclassified vasculitis, Wegener's granulomatosis, and microscopic polyangiitis.
  • Cranial symptoms were present in all but one patient, often with extracephalic manifestations.
  • Temporal artery biopsy showed inflammatory infiltrate; histopathology did not always differentiate between necrotizing vasculitis and giant cell arteritis.

Conclusions:

  • Temporal artery involvement in systemic necrotizing vasculitis is often accompanied by extracranial signs.
  • Temporal artery biopsy is a valuable diagnostic tool, but histopathological findings may overlap with classic giant cell arteritis.