Tag Archives: perforation

Introduction There has been a significant increase in the use of computed tomography (CT) imaging over the last 20 years, both in terms of the number of patients being imaged and the number of imaging studies per patient. Between 1997 and 2006 the incidence of CT scanning in the US has more than doubled.1 A consequence of increased use is the detection, in increasing numbers, of incidental findings and artefacts.2 An artefact is defined as any discrepancy between what is identified on the CT image and the true appearance of the object.3 Detection of incidental findings and artefacts are particularly prevalent in patients with metallic foreign