Regarding the pituitary adenomas’ features, 129 (83%) were macroadenomas and 26 (17%) were microadenomas; 81 were nonfunctioning tumors (52%), while 43 (27%) were GH secreting, 15 (9.6%) were adrenocorticotropic hormone (ACTH) producing, 12 (0.6%) were prolactinomas, and finally 3 (0.2%) were GH/prolactin (PRL)-secreting adenomas. This evidence concerns the gene PRL and pituitary gland adenoma.