Source:http://linkedlifedata.com/resource/umls/id/C0001431
MSH: A small tumor of the anterior lobe of the pituitary gland whose cells stain with basic dyes. It may give rise to excessive secretion of ACTH, resulting in CUSHING SYNDROME. (Dorland, 27th ed),NCI: An epithelial neoplasm of the anterior pituitary gland in which the neoplastic cells stain positive with basic dyes.