The Age ■ Children→ infection is the most frequent 口EB∨,CMV. others ■lder!y→ Neoplasm&CT- Disorders 口 Giant cell arteritis }>50y(30%) a Polymyalgia Rheumatica 1The Age ◼ Children → infection is the most frequent. EBV, CMV… others ◼ Elderly → Neoplasm & CT-Disorders Giant cell arteritis } > 50 yr (30%) Polymyalgia Rheumatica }