Unmasking the Hidden Peril: A Case Report of Ankylosing Spondylitis Revealing a Giant Aortic Aneurysm.

Background: Ankylosing Spondylitis is a chronic inflammatory rheumatic disease with both articular and extra-articular features. While cardiovascular involvement in Ankylosing spondylitis is rare, it can be life-threatening. This condition is typically associated with the HLAB27 antigen and often presents in the advanced stages of the disease.