CLINICAL AND ENDOCRINE FEATURES OF HYPERPROLACTINAEMIC AMENORRHOEA
- 1 September 1976
- journal article
- Published by Wiley in Clinical Endocrinology
- Vol. 5 (5), 439-454
- https://doi.org/10.1111/j.1365-2265.1976.tb01974.x
Abstract
The clinical, radiological and endocrine findings in thirty-five women with hyperprolactinaemia and amenorrhoea are described. Twelve patients had radiological evidence of a pituitary tumour and six were tested after pituitary ablation. Seventeen patients with hyperprolactinaemia and normal pituitary X-rays were also studied. None was on any drug known to increase prolactin secretion and all patients were euthyroid when tested. Basal serum prolactin concentrations were high in the group with untreated pituitary tumours and in those with normal X-rays. The levels were variable in the post-ablation cases. The increase of prolactin after TRH was subnormal in all of the groups. Serum oestradiol concentrations were low in most patients and nineteen of twenty-one patients tested had no withdrawal bleeding after treatment with a progestogen. Mean serum gonadotrophin concentrations (basal and after LHRH) were normal in twenty-nine patients but subnormal in four post-ablative cases. Anovulatory responses to clomiphene were obtained in nineteen of twenty patients tested. Fifteen patients were treated with bromocriptine; twelve ovulated and eight became pregnant; two not responding had impaired LH and FSH production. Hyperprolactinaemic amenorrhoea is a common disorder with characteristic endocrine features. Galactorrhoea is unusual (30%). Treatment with bromocriptine lowers prolactin concentrations and rapidly repairs the reproductive defect.Keywords
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