Cortical Dysplasia, Complex, with Other Brain Malformations 15, is also known as pachygyria, microcephaly, developmental delay, and dysmorphic facies, with or without seizures. An important gene associated with Cortical Dysplasia, Complex, with Other Brain Malformations 15 is TUBGCP2 (Tubulin Gamma Complex Component 2). Affiliated tissues include brain, and related phenotypes are protruding ear and pachygyria