Which one of the following does NOT present with a large anterior fontanelle?: (A) Crouzon syndrome, (B) Hypophosphatasia, (C) Achondroplasia, (D) Congenital rubella syndrome
Answer is A. a. Crouzon syndrome(Ref: Nelson's 20/e p 2817)Crouzon syndrome is a cause of craniosynostosis (premature fusion of sutures), so the fontanelle are small & close early.