Cortical Dysplasia, Complex, with Other Brain Malformations 3, also known as complex cortical dysplasia with other brain malformations 3, is related to contractures, pterygia, and spondylocarpotarsal fusion syndrome 1a and pachygyria, and has symptoms including seizures An important gene associated with Cortical Dysplasia, Complex, with Other Brain Malformations 3 is KIF2A (Kinesin Family Member 2A). Affiliated tissues include brain and cortex, and related phenotypes are nystagmus and intrauterine growth retardation