Challenging Case of Ectopic ACTH Secretion from Prostate Adenocarcinoma

Table 2

Diagnostic workup for hypercortisolism.

	Value (normal range)
8 am cortisol	1229 nmol/L
ACTH	56.0 (10–60 ng/L)
1 mg overnight dexamethasone suppression test	1327 nmol/L
2-day low-dose dexamethasone suppression test	1447 nmol/L
8 mg high-dose dexamethasone suppression test	1229 ≥ 1424 nmol/L
24-hour UFC	20475 (59–413 nmol/day)