increased pituitary gland tumor incidence increased Rathke pouch tumor incidence increased Erdheim tumor incidence increased craniopharyngioma incidence MP:0013354 increased pituitary adamantinoma incidence increased pituitary ameloblastoma incidence increased Erdheim tumour incidence increased Rathke pouch tumour incidence increased hypophyseal duct tumour incidence a suprasellar neoplasm, usually cystic, that develops from the nests of epithelium derived from Rathke pouch increased hypophyseal duct tumor incidence