Level 3

The presence of additional coronal suture fusion on X-skull or CT in a child with sagittal suture synostosis younger than 2 years after surgical correction (with the coronal suture spared) may be a potentially relevant risk factor for increased ICP. In the presence of additional coronal suture fusion, the risk of papilledema is 10 to 28.6%; in absence, 0 to 5.5%. C Arnaud et al, 2009; Van Veelen et al, 2013; Kim et al. 2017