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American College of Rheumatology (ACR) Criteria for the Diagnosis of Temporal (Giant Cell) Arteritis

Purpose:

To diagnose temporal (giant cell) arteritis by the presence of certain findings.

Specialty:

Immunology/Rheumatology

Objective:

criteria for diagnosis

ICD-10:

M31.5, M31.6

Description:

Temporal (giant cell) arteritis is a vasculitis which may affect medium and large arteries. It most commonly affects the temporal artery, but may affect any extracranial branch of the carotid arteries as well as other arteries of the head and neck. Occlusion of the arterial lumen results in decreased blood supply with eventual ischemia. It can be diagnosed by the presence of certain criteria.

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