Intercavernous and interpetrosal gradients of ACTH levels in 4 patients with pituitary adenoma
| Case No. | Location of Adenoma | Highest ACTH Level in Each CS, pg/mL | Intercavernous Gradients | ACTH Level in IPS, pg/mL | Interpetrosal Gradients | ||
|---|---|---|---|---|---|---|---|
| Rt | Lt | Rt | Lt | ||||
| 1 | lt | 20 | 176 | 8.8 (lt) | 15 | 98 | 6.5 (lt) |
| 3 | lt | 6960 | 56100 | 8.1 (lt) | 623 | 1880 | 3,0 (lt) |
| 4 | rt | 2540 | 68 | 37.4 (rt) | 61 | 55 | 1.1 (rt) |
| 5 | rt | 270 | 209 | 1.3 (rt) | 593 | 320 | 1.9 (rt) |
Note:—ACTH, adrenocorticotropic hormone; lt, left; rt, right; IPS, inferior petrosal sinus; CS, cavernous sinus.