Results of endocrine laboratory evaluation in Cases 1 and 2
| Hormone | Case 1 | Case 2 | Normal Range |
|---|---|---|---|
| TSH | 0.3 | 0.9 | 0.38–4.80 mU/L |
| FT4 | 0.7 | 0.6 | 0.7–1.4 ng/dL |
| Prolactin | 21.2 | 8.9 | 1.4–24.2 ng/mL |
| ACTH | <2.0 | 7.0 | 9–52 pg/mL |
| Cortisol | 4.3 | 1.6 | 4.3–22.4 μg/dL |
| FSH | <0.5 | 0.0 | 1.1–95.8 mIU/mL |
| LH | <0.6 | 0.5 | 0.8–103.5 mIU/mL |
| Estradiol | 22.1 | 5.0 | 12–400 pg/mL |
| IGF-1 | 74.0 | 68.0 | 114–492 ng/mL |
Note:—TSH indicates thyroid-stimulating hormone; FT4, free thyroxine; ACTH, adrenocorticotropic hormone; FSH, follicular-stimulating hormone; LH, luteinizing hormone; IGF-1, insulin-like growth factor-1.