Pheochromocytoma Quiz: Ace Your Exams

Get ready to dominate your medical and nursing exams by using our dynamic quizzes to elevate your knowledge and increase your confidence. Whether you're gearing up for the USMLE®, COMLEX®, or your next in-class assessment, Osmosis quizzes tackle key topics in pathology, diagnostics, and treatment approaches. By honing in on clinical readiness and decision-making, we make sure the knowledge you gain empowers you both in the classroom and in real-world practice. Jump in and supercharge your exam prep!

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A 47-year-old man presents to the emergency room for evaluation of 3 days of diffuse abdominal pain. He has been having intermittent episodes of palpitations and headaches over the past few months, which he attributes to work-related stress. Past medical history is significant for hypertension and a 15-year smoking history. Current medications include hydrochlorothiazide, lisinopril, and amlodipine. On physical examination, his temperature is 37.0°C (98.6°F), blood pressure is 165/95 mmHg, pulse is 90/min, and respiratory rate is 16/min. His abdomen is soft, non-tender, and non-distended. A computed tomography (CT) scan of the abdomen shows a 3 cm mass overlying the right adrenal gland, suggestive of an adrenal adenoma. No other abnormalities are noted. He is transferred to the medical floor where laboratory evaluation is significant for increased urine metanephrine levels. Which of the following is the best next step in management?

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Order magnetic resonance imaging (MRI) of the adrenal glands

Order US-guided biopsy of the adrenal mass

Prescribe oral phenoxybenzamine

Prescribe oral metoprolol

Refer for surgical resection of the adrenal mass