Introduction: Whilst the incidence of CAA has been reported as up to 5%, giant CAA (>2cm) is rare.
Presentation of case: We present a rare case of 3cm×4cm giant coronary artery aneurysm (CAA) in the context of aorto-iliac aneurysmal disease, treated by staged open surgical repair.
Discussion: Abdominal aortic aneurysm (AAA) and CAA share risk factors and aetiological mechanisms, therefore should be considered, particularly when CAA is diagnosed in the first instance.
Conclusions: Surgical intervention for diagnosed giant CAA appears to be the treatment of choice in the reported literature, with the order of intervention when AAA co-exists remaining a point for debate.
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