A 28-Year-Old Man Is Being Evaluated in the ER Due

A 28-year-old man is being evaluated in the ER due to progressive hypertension. His blood pressure is 195/122 mm Hg, and his pulse is 75/min. The best medications are given and controlled his blood pressure. He states that recently he has felt a weak muscle with a headache. He has no palpitations, tremors. His serum potassium is 2.6 mEq/L. The patient's plasma renin activity is high and his serum aldosterone levels are elevated. A 24-hour urine collection shows increased potassium excretion. Which of the following is the most likely cause of this patient's symptoms?

A) Adrenal cortical tumor
B) Adrenal medullary tumor
C) Juxtaglomerular cell tumor
D) Pituitary tumor
E) Primary hypertension