Which laboratory finding is most suggestive of medullary thyroid carcinoma in MEN2?
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Correct answer: Elevated calcitonin
Medullary thyroid carcinoma arises from C cells, which produce calcitonin. Elevated serum calcitonin levels are a key diagnostic marker.
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More Multiple Endocrine Neoplasia questions
- Which of the following tumors is NOT typically part of MEN1?
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