In MEN1, primary hyperparathyroidism is usually due to:
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Correct answer: Diffuse parathyroid hyperplasia
In MEN1, hyperparathyroidism typically results from diffuse hyperplasia of multiple parathyroid glands rather than a single adenoma. This contrasts with sporadic cases.
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More Multiple Endocrine Neoplasia questions
- Which laboratory finding is most suggestive of medullary thyroid carcinoma in MEN2?
- Which of the following tumors is NOT typically part of MEN1?
- Prophylactic thyroidectomy is recommended in children with which condition?
- Which type of pituitary tumor is most frequently seen in MEN1?
- Which mutation in MEN2B is associated with a particularly aggressive medullary thyroid carcinoma?
- Pheochromocytomas in MEN2 most commonly arise from which location?