<prompt> A 50-year old female presents with sudden blindness .There is Scalp tenderness. There is history of pain while combing the hair. Temporal artery biopsy shows intimal thickening with granulomatous inflammation. Diagnosis isGiant cell arteritisTakayasu arteritisPolyarteritis nodosaMicroscopic Polyangtis  <response>: Blindness, Scalp tenderness, Jaw claudication, are feature of Giant cell ateritis. 