Brachycephaly

Brachycephaly refers to a calvarial shape where the bi-parietal diameter to fronto-occipital diameter approaches the 95^th percentile. It can result from a craniosynostosis involving the coronal and lambdoid sutures.

Pathology

Associations

Brachycephaly can be associated with numerous syndromes which include:

• Apert syndrome

• Carpenter syndrome

• Cornelia de Lange syndrome

• cleidocranial dysostosis

• chromosomal anomalies

  • trisomy 21 ³

• Larsen syndrome

• Roberts syndrome

Radiographic features

Antenatal ultrasound

The head may appear rounder than usual on an axial scan and the cephalic index is increased.

See also

• craniosynostosis