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 33-year-old woman presents to the emergency department for the sudden onset of a severe headache associated with palpitations and sweating. She reports that similar episodes have been happening intermittently for the past few months. She has a past medical history of retinal angiomas and a family history of renal cancer in her mother which developed at a young age. Temperature is 36.8°C (98.2°F), blood pressure is 180/110 mm Hg, pulse is 122/min, respiratory rate is 18/min, and oxygen saturation is 97% on room air. Physical examination reveals a well-appearing woman in no apparent distress. Neurological examination reveals no focal deficits, and fundoscopic examination is significant for the presence of bilateral retinal angiomas. Laboratory evaluation including CBC and electrolytes is within normal limits. Which of the following is the best next step in the evaluation?

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24-hour urine collection for metanephrines, catecholamines, and metabolites

Genetic testing for mutations in the VHL gene

Genetic testing for mutations in the NF1 gene

CT scan of the abdomen

CT scan of the head