Septopreoptic Holoprosencephaly, also known as septopreoptic hpe, is related to holoprosencephaly 1 and microcephaly. An important gene associated with Septopreoptic Holoprosencephaly is CDON (Cell Adhesion Associated, Oncogene Regulated), and among its related pathways/superpathways are Signal Transduction and Nervous system development. Affiliated tissues include brain and pons, and related phenotypes are intellectual disability and precocious puberty