Fig. 3From: A challenging TSH/GH co-secreting pituitary adenoma with concomitant thyroid cancer; a case report and literature reviewThe change of serum GH and IGF-1 according to treatment of TSHoma and coexist thyroid cancer. Reference range (age and sex matched): IGF-1, 71–290 (ng/mL). IGF-1: insulin-like growth factor-1Back to article page