“…Giant cell arteritis (GCA), or temporal arteritis, is a chronic vasculitis of large-and medium-sized vessels, that affects, almost exclusively, the elderly population, with mean age of presentation of 65 years or more. 36 Persistent headache, either unilateral or bilateral, with jaw claudication are hallmark symptoms, while patients may also present with fever and even acute vision loss. 36 Elevated inflammatory markers, erythrocyte sedimentation rate (ESR) or C-reactive protein (CRP), can be valuable tools in diagnosis, but negative values do not rule out GCA.…”