Which of the following endocrine markers is elevated in patients with Cushing's syndrome?

A Thyroid-stimulating hormone (TSH)
B Adrenocorticotropic hormone (ACTH) ✓
C Growth hormone (GH)
D All of the above

Explanation

Cushing's syndrome is a condition caused by excess cortisol production, often due to an ACTH-producing tumor.

Mnemonic

Cushing = Cushy → 'cushy' high levels of ACTH

Source

Endocrine Society Clinical Practice Guidelines
Hormones and Endocrine Markers Endocrinology Cushing's Syndrome Easy MEDICAL Confidence: high