CDC42 and macrothrombocytopenia-lymphedema-developmental delay-facial dysmorphism-camptodactyly syndrome: The combined phenotype of thrombocytopenia accompanied by intellectual disability in patients with a de novo heterozygous mutation, i.e., p.Tyr64Cys in CDC42, signifies a clinically recognizable novel syndrome that has been eponymized as “Takenouchi-Kosaki syndrome” (OMIM #616737).