Occurrence

Asymmetry of the head is a com-mon occurrence in infants and may have a number of etiologies, includ-ing positional deformity, simple craniosynostosis, complex cranio-facial synostosis, metabolic bone disease, depressed skull fracture, microcephaly due to brain damage, and hydrocephalus. Deformations of the head attributable to prenatal compression usually resolve by the time a child is 2 months of age. However, a number of centers have reported a recent increase in the occurrence of cranial deformation