Adrenal Disorders USMLE Step 1 Practice Question
A 17-year-old boy presents with mucosal neuromas on his lips and tongue, marfanoid habitus, and chronic constipation. Vital signs are BP 155/92 mmHg, HR 98 bpm, RR 16, Temp 37°C, SpO2 98%. Physical examination reveals medullary thyroid carcinoma on imaging. Plasma metanephrine levels are elevated at 285 pg/mL (normal <90). He denies headaches or diaphoresis. Which additional malignancy carries the highest risk in this patient?
Answer choices
- APancreatic insulinoma
- BPheochromocytomaCorrect answer
- CParathyroid adenoma
- DParathyroid carcinoma
- EPituitary prolactinoma
- FAdrenocortical carcinoma
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