Abstract
Scout views are digital radiographs obtained to aid planning of the subsequent computed tomography (CT) examination. Review of these scout views may provide additional information not demonstrated on the axial images, but such reviews may not necessarily be performed routinely, especially in the context of abdominopelvic CT studies. We illustrate the value of the scout images by presenting a series of representative cases of missed pulmonary neoplasms in five patients who originally underwent such examinations.
Highlights
The “scout” view is an obligatory part of performing computed tomography (CT)
As the “scout” views are not of primary interest to the reporting radiologist, they may not be reviewed during reporting on picture archiving and communications systems (PACS) workstations, potentially resulting in a failure to detect abnormalities not included on the axial sections
The scout view is a digital X-ray projection radiograph generated by maintaining the CT gantry in a fixed position as the patient is translated through the X-ray beam
Summary
The “scout” view is an obligatory part of performing computed tomography (CT). It is synonymously known as a scanogram, topogram, localiser, scan projection radiograph, surview, or pilot scan. These images are usually obtained with the patient in the supine position but can be generated in the prone, oblique, or decubitus orientation. They are projectional overviews generally used as reference images for acquiring an axial CT series.
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