Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Carpenter syndrome ?
    ### Response:
    What are the signs and symptoms of Carpenter syndrome? The signs and symptoms of Carpenter syndrome can vary greatly, even within members of the same family. The main features include premature closure of certain skull bones (craniosynostosis), distinctive facial characteristics, and/or abnormalities of the fingers and toes (digits).
    