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The impact of CT colonography on abdominal aortic aneurysm referrals in a tertiary hospital

Computed tomography colonography (CTC) for the detection of colorectal disease is gaining popularity as an alternative to colonoscopy. This has been associated with an increase in incidental extra‐colonic findings such as abdominal aortic aneurysms. However, due to the patient selection process of obtaining a CTC, it was hypothesised that this patient cohort might represent a high‐risk group. The primary aim of this study was to determine the impact that CTC had on small aneurysm referrals. Owing to the potential selection bias, the secondary aim was to compare baseline characteristics referred by CTC to the cohort referred by other radiological modalities.