Table 1.
The case patient’s laboratory values.
| Parameters studied | Normal range | Results at initial consultation | Results after 2 months of anastrozole therapy | Results after 5 months of anastrozole therapy |
|---|---|---|---|---|
| Estradiol (pmol/l; pg/ml) | 73–275; 20–75 | 172; 47 | 81; 22 | <73; <20 |
| Follicle-stimulating hormone (IU/l) | 1–14 | 2 | 27 | 34 |
| Luteinizing hormone (IU/l) | 1–14 | <1 | 15 | 9 |
| Total testosterone (nmol/l; ng/dl) | 7.7–27.3; 221.8–786.2 | 5.3; 151.2 | 16.8; 483.8 | 14.7; 423.4 |
| Calculated free testosterone (pmol/l; pg/ml) | 105–490; 3.0–14.1 | 102; 2.9 | ND | ND |
| Prolactin (pmol; μg/l) | 0–609; 0–14 | 652; 15 | ND | ND |
| Insulin-like growth factor I (μg/l) | 117–329 | 102 | ND | ND |
| Sex hormone-binding globulin (nmol/l) | 13.0–71.0 | 34.8 | ND | ND |
| TSH (mIU/l) | 0.4–0.5 | 3.31 | ND | ND |
| Sperm concentration (spermatozoa/ml) | <20,000,000 | <1,000,000a | 15,000,000 | 21,000,000 |
a
Seminal fluid analysis was obtained before initial consultation. Abbreviations: ND, not determined; TSH; thyroid-stimulating hormone.