Purpose: The characteristic features of prematurely fused craniosynostosis in plain radiographs have already been described in literature, but there is no clinical trial investigating the individual features of every single form of craniosynostosis. We described suture-specific characteristics as well as its frequency of appearance in plain radiographs in every different form of craniosynostosis. Intraoperative findings served as control to confirm the diagnosis.
Methods: One hundred twenty-seven children with prematurely fused cranial sutures who underwent a skull X-ray from 2008 to 2012 were investigated in the present study. In detail, 34 children with frontal, 60 with sagittal, 13 with unilateral and 14 with bilateral coronal synostosis and 3 with unilateral lambdoid craniosynostosis as well as 3 children with a bilateral lambdoid synostosis were included.
Results: Typical radiological characteristics in craniosynostosis exist. These features as well as its frequency in craniosynostosis in plain skull radiographs are presented. In all cases, these typical features enabled a correct diagnosis, which was confirmed by intraoperative findings.
Conclusion: The frequency of the appearance of typical features is listed and may serve as a "mental internal check list" in the radiological approach to craniosynostosis. The study points out the value of plain skull X-rays as it enabled proper diagnosis in all investigated 127 cases.
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