USMLE-Rx Step 2 Qmax Challenge #21423

Check out today’s Step 1 Qmax Question Challenge.

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USMLE-Rx Step 2 Qmax Challenge #21423A 32-year-old man is found to have a solitary, firm mass in the thyroid on routine physical examination. He has no complaints and the remainder of his physical examination is unremarkable. Family history is significant for an uncle who died of thyroid cancer at age 40 years. A biopsy of the thyroid stained with Congo red is shown in the image.

What further study should be done in this patient?

A. Barium swallow
B. Measurement of serum insulin-like growth factor-1
C. Measurement of urinary metanephrine levels
D. MRI of the brain
E. Renal biopsy


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