We have recently reported that GH secretion is impaired in primary hyperparathyroidism (PHP). No systematic assessment of the whole anterior pituitary function in PHP is available. In this study, anterior pituitary function was evaluated in basal and stimulated conditions in a series of 12 consecutive women with PHP. Serum GH secretion was decreased in 9 of 12 PHP patients (75) confirming our previous results in different series of PHP patients. Instead, at variance, secretion of all the other anterior pituitary hormones was normal. Thus, PHP is associated with an impaired secretion of GH, but not of the other anterior pituitary hormones. The reason why only GH secretion is affected in PHP is unknown.
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