Premature closure of the caudal calvarial midline suture is associated with scaphocephaly and ventriculomegaly in Boxer dogs

The parietointerparietal and sagittal suture are more likely fused in Boxer dogs. A premature suture closure is most likely responsible for the Boxer dog's unique skull morphology or scaphocephaly and an associated ventriculomegaly, which resembles a non-syndromical craniosynostosis in humans.