Further examination found hyperprolactinemia (112.17 ng/ml, normal values are 5–25 ng/ml), a decrease in blood cortisol level to 21.02 nmol/l (normal values are 150–660 nmol/l), hypothyroidism (free thyroxine – 0.5 ng/dl, normal values are 0.7–1.48 ng/dl, thyroid stimulating hormone – 0.04 mIU/ml, normal values are 0.4–4.0 mIU/ml), hypogonadotropic hypogonadism (luteinizing hormone (LH) – 1.0 mIU/ml, normal values are 1.7–11.2 mIU/ml; follicle stimulating hormone (FSH) – 4.3 mIU/ml, normal values are 2.1–18.6 mIU/ml; testosterone – 0.08 ng/ml, normal values are 2.62–8.7 ng/ml). The gene discussed is PLOD1; the disease is hyperprolactinemia.