Brachycephaly
Brachycephaly refers to a calvarial shape where the bi-parietal diameter to fronto-occipital diameter approaches the 95th centile. It can result from a premature craniosynostosis : premature fusion of the coronal and lamboid sutures.
Pathology
Associations
Brachycephaly can be associated with numerous syndromes which include
- Apert syndrome
- Carpenter syndrome
- Cornelia de Lange syndrome
- cleidocranial dysostosis
- chromosomal anomalies
- 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.

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