A common cause of Primary hyperparathyroidism is

A common cause of Primary hyperparathyroidism is

    1. Multiple parathyroid adenomas
    1. Solitary parathyroid adenoma
    1. Adrenal hyperplasia
    1. Ectopic PTH production

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In hyperparathyroidism, all are seen except

    1. Osteopetrosis
    1. Osteoporosis
    1. Cysts
    1. Brown tumor

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Not seen in hyperparathyroidism

    1. Increase in serum calcium
    1. Increase in serum calcitonin
    1. Subperiosteol resorption of phalanges
    1. Increase in 24 hr urinary calcium excretion > 250

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