Question

A 45-year-old woman presents with central obesity, facial rounding, proximal muscle weakness and purple abdominal striae. Blood pressure is 165/100 mmHg. Initial screening test for Cushing syndrome is planned. According to endocrine guidelines, which screening test is most appropriate?

Accepted Answer

Overnight 1 mg dexamethasone suppression test

Answer

Random serum cortisol

Answer

Serum ACTH level alone

Answer

24-hour urinary catecholamines

Answer

Fasting insulin level

Practice question

A 45-year-old woman presents with central obesity, facial rounding, proximal muscle weakness and purple abdominal striae. Blood pressure is 165/100 mmHg. Initial screening test for Cushing syndrome is planned. According to endocrine guidelines, which screening test is most appropriate?