What conditions are related to Apert syndrome?

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What conditions are related to Apert syndrome?

Symptoms of Apert syndrome are similar to other conditions as a result of the baby’s skull bones fusing together too soon (craniosynostosis) during fetal development. Related conditions include:

  • Carpenter syndrome: Carpenter syndrome is identical to Apert syndrome — where the baby’s skull fuses too quickly causing abnormalities of the baby’s skull. Fusion of the fingers and toes (syndactyly), is also seen with this syndrome. The difference is that Carpenter’s syndrome is acquired genetically when both parents pass the gene onto their child (autosomal recessive).
  • Crouzon syndrome: Crouzon syndrome causes facial abnormalities due to the baby’s skull fusing too soon.
  • Pfeiffer syndrome: Pfeiffer syndrome causes abnormalities of the skull and face, along with thumbs and big toes appearing wider than normal and bending away from other fingers and toes.
  • Saethre-Chotzen syndrome: Saethre-Chotzen syndrome causes uneven, asymmetrical facial features due to the joints in the skull fusing too soon.

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