Temporal arteritis is a type of vasculitis. It is also known as giant cell arteritis or Horton's arteritis. It is characterized by swelling and narrowed temporal arteries. The temporal arteritis is treated with high dose corticosteroids. If left untreated, it can cause complications such as: - unilateral or bilateral blindness - aneurysm - stroke - transient ischemic attack Reference: https://my.clevelandclinic.org/health/diseases/15674-temporal-arteritis Image via: https://www.ajkd.org/article/S0272-6386(04)00949-7/fulltext