Teenager in a motor vehicle accident Pediatric Imaging Neurological May 2, 2025February 20, 2025 Axial CT without contrast of the maxillofacial bones shows a linear lucent line through the lateral aspect of the right mastoid bone with resultant opacification of the mastoid air cells. There was associated diastasis of the right lambdoid suture. The diagnosis was right mastoid fracture. Related Published May 2, 2025February 20, 2025