• Irma T Ugalde, Kenneth Yen, Grant Tatro, Paul Ishimine, Nisa S Atigapramoj, Pradip P Chaudhari, Kevan A McCarten-Gibbs, Mohamed Badawy, Jeffrey S Upperman, Nathan Kuppermann, and James F Holmes.
• Department of Pediatrics, Section of Emergency Medicine, University of Chicago Pritzker School of Medicine, Chicago, IL. Electronic address: irmau@uchicago.edu.
• Ann Emerg Med. 2025 Jan 22.

Study ObjectiveNontraumatic, incidental findings on computed tomography (CT) may be discovered after blunt abdominal trauma in children; however, the rate and importance of these findings are not well known. The objective of this study was to determine the prevalence and types of incidental CT findings among injured children undergoing abdominal/pelvic CT.MethodsThis was a planned secondary analysis of a multicenter prospective cohort study of children (<18 years) who underwent abdominal/pelvic CT after blunt trauma. We abstracted radiology reports for nontraumatic findings. We assessed and classified findings by their clinical urgency.ResultsOf 7,581 children enrolled, 2,500 (33%) underwent abdominal/pelvic CT. The mean patient age was 10.1±4.8 years, and 1,446 (58%) were boys. A total of 988 (39.5%, 95% CI 37.6 to 41.5%) children had 1,552 incidental findings with a mean patient age of 10.6±4.8 years, of whom 59% were boys. Fifty-five (3.5%) incidental findings were considered to need immediate evaluation/treatment, and 84 (5.4%) were considered to require outpatient follow-up within 4 weeks. Most incidental findings, however, were considered less urgent regarding follow-up: 552 (36%) were routine, 574 (37%) were considered to have a potential need, and 287 (18%) did not need follow-up.ConclusionsForty percent of children undergoing CT scanning after abdominal trauma have incidental findings, few of which are clinically important and require timely follow-up. CT scans should be obtained only when necessary, and clinicians must be prepared to address incidental findings and ensure proper management.Copyright © 2024 American College of Emergency Physicians. Published by Elsevier Inc. All rights reserved.

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