| Phenotype details |
Corpus callosum: agenesis; Wide ventricles, poor frontal cortical development; Upper limb polydactyly: postaxial right and left; Lower limb polydactyly: preaxial and postaxial right and left; Mental retardation, macrocephaly, frontal bossing, hypertelorism, broad nasal bridge, notched nasal tip, low-set ears |