• James B Metz, Jeffrey P Otjen, Francisco A Perez, Stephen L Done, Emily C B Brown, Rebecca T Wiester, Carole Jenny, Megan C Kelton, Sheila N Ganti, and Kenneth W Feldman.
• Department of Pediatrics, University of Vermont Children's Hospital, Burlington, VT.
• Pediatr Emerg Care. 2022 Jan 1; 38 (1): e200e204e200-e204.

ObjectiveThe aim of the study was to determine whether complex skull fractures are more indicative of child abuse or major trauma than simple skull fractures.DesignThis is a retrospective chart and imaging review of children diagnosed with a skull fracture. Subjects were from 2 pediatric tertiary care centers. Children younger than 4 years who underwent a head computed tomography with 3-dimensional rendering were included. We reviewed the medical records and imaging for type of skull fracture, abuse findings, and reported mechanism of injury. A complex skull fracture was defined as multiple fractures of a single skull bone, fractures of more than 1 skull bone, a nonlinear fracture, or diastasis of greater than 3 mm. Abuse versus accident was determined at the time of the initial evaluation with child abuse physician team confirmation.ResultsFrom 2011 to 2012, 287 subjects were identified by International Classification of Diseases, Ninth Revision, code. The 147 subjects with a cranial vault fracture and available 3-dimensional computed tomography composed this study's subjects. The average age was 12.3 months. Seventy four (50.3%) had complex and 73 (49.7%) had simple fractures. Abuse was determined in 6 subjects (4.1%), and a determination could not be made for 5 subjects. Adding abused children from 2013 to 2014 yielded 15 abused subjects. Twelve of the abused children (80%) had complex fractures; more than the 66 (48.5%) of 136 accidentally injured children (P = 0.001; relative risk = 1.65 [1.21-2.24]). However, among children with a complex fracture, the positive predictive value for abuse was only 7%.ConclusionsComplex skull fractures frequently occur from accidental injuries. This study suggests that the presence of complex skull fractures should not be used alone when making a determination of abuse.Copyright © 2020 Wolters Kluwer Health, Inc. All rights reserved.

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