A CATASTROPHIC COMPLICATION OF GIANT CELL ARTERITIS. P. Kapoor 1 , S. Parikh 1 , P. Radhakrishnan 1 , M. Yungbluth 1 , D. John 1 ; 1 St. Francis Hospital, Evanston, IL (Tracking ID #75985) LEARNING OBJECTIVES: 1. Awareness of the association of aortic aneurysm (AA) with giant cell arteritis (GCA) will aid prompt recognition and therapy. 2. To highlight the significance of using Chest XRay (CXR) as a screening modality in patients of GCA for timely detection of thoracic AA.