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Giant Cell Arteritis

1990 American College of Rheumatology Classification Criteria for Giant Cell Arteritis

Age of onset ≥ 50 years (symptoms or signs beginning at 50 years or older)
A new headache (new onset of or a new type of localized pain in the head)
Temporal artery abnormality£ (tenderness or decreased pulsation)
Elevated ESR ≥ 50 mm/hr (by the Westergren method)
Abnormal artery biopsy (vasculitis characterized by the predominance of mononuclear cell infiltrates or granulomatous inflammation with multinucleated giant cells)

Result :

Insufficient Diagnostic Criteria for Giant Cell Arteritis

Note:

In clinical practice, temporal artery abnormalities include tenderness, decreased or absent pulsation, induration (cord-like) and modularity.
GCA was previously, and less-appropriately, known as Temporal Arteritis. Inflammation can involve other intracranial and extracranial arteries.

Reference

Hunder et al. The American College of Rheumatology 1990 criteria for the classification of giant cell arteritis. Arthritis Rheum 1990;33(8):1122-8.

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Giant Cell Arteritis

Reference

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