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ACR Criteria: Sensitivity and Specificity

Introduction: None written. Excerpt from the entry in Temporal Arteritis:
in patients with "a" vasculitis.

>=3/5 criteria:

* Age greater than or equal to 50 years at time of disease onset

* Localized headache of new onset

* Tenderness or decreased pulse of the temporal artery

* Erythrocyte sedimentation rate (ESR) greater than 50 mm/h

* Biopsy revealing a necrotizing arteritis with a predominance of mononuclear cells or a granulomatous process with multinucleated giant cells.

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Tags: Combination of Tests Tag this Finding.

Associated Diagnoses:

Temporal Arteritis

94% sensitive, 91% specific

Osteoarthritis of the Knee

95% sensitive, 69% specific

Osteoarthritis of the Knee

84% sensitive, 89% specific

Osteoarthritis of the Knee

92% sensitive, 75% specific

Henoch-Schonlein Purpura

87.1% sensitive, 87.7% specific

Wegener's Granulomatosis

88% sensitive, 92% specific

Takayasu's Arteritis

90.5% sensitive, 97.8% specific

Systemic Lupus Erythematosis

91% sensitive, 99% specific