Wormian bones' are features of all, EXCEPT :
Hypophosphatasia
Down's syndrome
Pyle's disease
Menke's kinky hair syndrome
Wormian bones (intersutural bones) can be seen in: Normal infants (up to 6 months of age) Down's syndrome Cleidocranial dysostosis Hypothyroidism Hypophosphatasia Healing phase of Rickets Osteogenesis imperfecta Otopalatodigital syndrome Kinky hair syndrome Progeria Pachydermoperiostitis Pyknodysostosis
Musculoskeletal Radiology