adrenocorticotropin-hormone (ACTH)-producing adenoma

ad·re·no·cor·ti·co·tro·pin-hor·mone (ACTH)-pro·duc·ing ad·e·no·ma

(prŏ-dūs'ing ad'ĕ-nō'mă) A pituitary tumor composed of corticotrophs that produce ACTH, often a basophilic adenoma; may give rise to Cushing disease or Nelson syndrome.
Synonym(s): ACTH-producing adenoma.