A 20-year-old male with a 10 cm left adrenal mass is found to have 10 mg of norepinephrine in a 24-hour urine collection and a plasma 18 hydroxycorticosterone level of 50 mg/dL. Initial reoperative preparation should include which of the following?
A. Treatment with spironolactone
B. Intravenous potassium-loading to prevent intraoperative hypokalemia
C. Treatment with phenoxybenzamine
D. Treatment with labetalol
Answer:C
A 20-year-old male with a 10 cm left adrenal mass is found to have 10 mg of norepinephrine in a 24-hour urine collection and a plasma 18 hydroxycorticosterone level of 50 mg/dL. Initial reoperative preparation should include which of the following?
A. Treatment with spironolactone B. Intravenous potassium-loading to prevent intraoperative hypokalemia C. Treatment with phenoxybenzamine D. Treatment with labetalol