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Is Ultrasound More Accurate Than Axial Computed Tomography for Determination of Maximal Abdominal Aortic Aneurysm Diameter?

April 26, 2017Abdominal accurate aneurysm aortic axial computed determination maximal Tomography Ultrasound

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Is Ultrasound More Accurate Than Axial Computed Tomography for Determination of Maximal Abdominal Aortic Aneurysm Diameter?

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Objective(s): Clinical assessment of maximal abdominal aortic aneurysm (AAA) diameter assumes clinical equivalency between ultrasound (US) and axial computed tomography (CT). Three-dimensional (3D) CT reconstruction allows for the assessment of AAA in the orthogonal plane and avoids oblique cuts due to AAA angulation. This study was undertaken to compare maximal AAA diameter by US, axial CT, and orthogonal CT, and to assess the effect that AAA angulation has on each measurement.