IGF1 and panhypopituitarism: Biochemical findings revealed panhypopituitarism: total testosterone 2.6 nmol/L (75 ng/dL [reference range, 832.1-2877.7 nmol/L; 240-830 ng/dL]), free thyroxine 9.0 pmol/L (0.70 ng/dL [reference range, 10.3-24.5 pmol/L; 0.80-1.90 ng/dL]), insulin-like growth factor I (IGF-I) 8.2 nmol/L (63 ng/mL [reference range, 2.6-26.7 nmol/L; 20-204 ng/mL]), morning serum cortisol 198.6 nmol/L (7.2 mcg/dL [reference range, 83-414 nmol/L; 3-15 mcg/dL]), and non-tumoral hyperprolactinemia as evidenced by diluted prolactin concentration of 21.3 mcg/L (reference range, 2.0-15.2 mcg/L).