Pallister-Hall Syndrome, also known as hypothalamic hamartoblastoma syndrome, is related to culler-jones syndrome and polydactyly, postaxial, type a1. An important gene associated with Pallister-Hall Syndrome is GLI3 (GLI Family Zinc Finger 3), and among its related pathways/superpathways are Signal Transduction and Activation of cAMP-Dependent PKA. Affiliated tissues include pituitary and hypothalamus, and related phenotypes are hypothalamic hamartoma and macrocephaly