Patient present with severe headache with the following sign. Diagnosis?

Ans. A. Giant Cell ArteritisImage Shows Enlarged Temporal Artery* Age >50yrs* New onset localized headache* Temporal: abnormalities- Decreased pulse- Tenderness and Nodules and thickening* Increased ESR >50* Positive temporal: biopsy (panarteritis, proliferation of the intima and fragmentation of internal elastic lamina)