Table 3.
Biochemical testing for our patient diagnosed with cyclical ectopic corticotroph adenoma (49)
| Measurements (units) | Time | ||||||
|---|---|---|---|---|---|---|---|
| Presentation | Day 2 | Week 5 | Week 17 | Week 18 | Week 19 | Week 22 | |
| Urinary free cortisol (mcg/d)ª | 119.6 (RAI) | 110.2 (RAI) | 35.9 (RAI) | 343.0 (RAI) | 789.1 (HPLC) | 7.3 (HPLC) | 692.4 (RAI) |
| Urinary creatinine (g/d) | 1.7 | 1.6 | 1.6 | 1.9 | 1.9 | 1.8 | 1.8 |
| Urinary volume (mL) | 1329 | 1318 | 1382 | 1900 | 1250 | 2200 | 1300 |
RAI normal range: 20-100 mcg/d. HPLC normal range: < 45 mcg/d.
Abbreviation: RAI, radioactive iodine.
aUrinary free cortisol measurements were obtained by either RAI or HPLC.