Bossing Of Skull In Children

Medical students during their posting in pediatrics ward are shown a patient with increased head circumference and a condition known as bossing of the skull is described in which the skull bones become prominent.
Picture of one such patient is shown below:

What is the differential diagnosis of Bossing of skull in children?

• Rickets
• Thalassemia major
• Congenital syphilis
• Achondroplasia
• Hurler syndrome (mucopolysaccaridoses).
• Cleidocranial dystosis.
• Ectodermal dysplasia
• Ehler-Danlos syndrome
• Pyknodystosis.