title: Giant cell arteritis--an unholy trinity.
mesh_terms: D001015:Aortic Arch Syndromes / Q000209:etiology / Q000473:pathology; D001167:Arteritis / Q000209:etiology; D005260:Female; D013700:Giant Cell Arteritis / Q000209:etiology* / Q000473:pathology; D006801:Humans; D008297:Male; D011111:Polymyalgia Rheumatica / Q000209:etiology / Q000473:pathology; D013577:Syndrome