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Parathyroid adenomas are benign tumors and account for 80-90% of cases of primary hyperparathyroidism (PHPT). The majority of people with PHPT are asymptomatic and have a parathyroid hormone (PTH) level 1.5-2x the upper limit of normal and a serum calcium level in the upper normal to mildly elevated range. We describe an atypical case of a solitary parathyroid adenoma that presented with significantly elevated PTH and severe hypercalcemia.
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Chauhan et al. (2024) studied this question.
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