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  • Title: [Primary hypothyroidism presenting with amenorrhea, galactorrhea, hyperprolactinemia and enlarged pituitary].
    Author: Tadmor OP, Barr I, Diamant YZ.
    Journal: Harefuah; 1992 Jan 15; 122(2):76-8. PubMed ID: 1572562.
    Abstract:
    The combination of amenorrhea, galactorrhea, and hyperprolactinemia in a young woman usually suggests a prolactin-secreting adenoma of the anterior pituitary gland. Primary thyroid failure may also be associated with hyperprolactinemia, galactorrhea and suprasellar enlargement of the pituitary. 2 women, aged 23 and 28, respectively, presented with the latter syndrome. 1 was even a candidate for neurosurgery. However, because serum TSH and prolactin levels were elevated, thyroxin replacement therapy was started. It induced normal menses, galactorrhea stopped, and in follow-up CT scans the pituitary become normal in size. Hyperprolactinemia with secondary hypothyroidism, caused by a pituitary adenoma, must be distinguished from primary hypothyroidism, also a cause of hyperprolactinemia.
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