POU1F1 and pituitary gland adenoma: Eisenberg et al. reported the case of a female with clinical and laboratory findings consistent with a FGA; three pituitary adenomas that stained differently were detected; one stained positively for Steroidogenesis factor-1 (SF-1), Pituitary Transcription factor 1 (PiT-1), Follicle Stimulating Hormone (FSH), and Luteinizing Hormone (LH); a second for SF-1 and PiT-1; and a third for PiT-1 [20].