Posterior Pituitary Gland Neoplasm, also known as neoplasm of the posterior pituitary, is related to papilloma of choroid plexus and pituicytoma. An important gene associated with Posterior Pituitary Gland Neoplasm is NKX2-1 (NK2 Homeobox 1), and among its related pathways/superpathways is Neuroscience. Affiliated tissues include pituitary, and related phenotype is Increased proliferation.