54-year-old man with weight gain and muscle weakness

Test Results

Results of appropriate studies return and show the following:

Serum:

Test (units) Result Results (SI Units)
ACTH 188 pg/mL [41.4 pmol/L] Normal 10-60 pg/mL [2.2-13.2 pmol/L]
Testosterone 78 ng/dL [2.7 nmol/L] Normal 300-1200 ng/dL [10-42 nmol/L]
Cortisol 36.6 mcg/dL [1010 nmol/L] to 52.6 mcg/dL [1450 nmol/L]
ACTH 122 pg/mL [26.8 pmol/L] to 167 pg/mL [36.7 pmol/L]
LH 0.4 mU/mL [0.4 IU/L] Normal 3-15 mU/mL [3-15 U/L]
FSH 0.9 mU/mL [0.9 IU/L] Normal 5-15 mU/mL [5-15 IU/L]
Prolactin 5.6 ng/mL [245 pmol/L] Normal < 15 ng/mL [< 652 pmol/L]

Chest x-ray: Reported as unremarkable