{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,10]],"date-time":"2026-09-10T11:58:54Z","timestamp":1789041534362,"version":"build-2803163510"},"reference-count":22,"publisher":"The Endocrine Society","issue":"10","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[1998,10,1]]},"abstract":"<jats:p>We report an unusual case of a gonadotroph adenoma in a 34-yr-old woman, revealed by a dramatic rise in the plasma estradiol (E2) concentration (26,800 pmol\/L; normal, &amp;lt;370), with nonsuppressed FSH and LH levels (4.9 and 2.4 mIU\/mL, respectively). The PRL level was 503 ng\/mL. The testosterone and progesterone levels were 7 and 17 nmol\/L, respectively. The levels of inhibin \u03b1, inhibin A, and inhibin B were increased compared to normal values in both the follicular (fp) and luteal (lp) phases of the menstrual cycle[ inhibin \u03b1, 1986 IU\/L (fp normal, &amp;lt;700; lp normal, &amp;lt;1650); inhibin A, 254 pg\/mL (fp normal, &amp;lt;20; lp normal, &amp;lt;120); inhibin B, 246 pg\/mL (fp normal, &amp;lt;150; lp normal, &amp;lt;30 lp)]. Pituitary magnetic resonance imaging revealed a huge pituitary adenoma. After transphenoidal surgery, the patient presented with pituitary insufficiency and diabetes insipidus. RT-PCR of the tumor tissue was positive for LH\u03b2, FSH\u03b2, \u03b1-subunit, and PRL. This case is of particular interest because 1) although the E2 level was extremely high, the patient did not present with ascitis, suggesting that chronic elevated E2 does not play a crucial role in the hyperstimulation symptoms; 2) the extreme rise in E2 was related to the cosecretion of FSH and LH, confirming the two-cell two-gonadotropin theory; and 3) the rise in inhibin B is associated with FSH secretion, whereas the rise in inhibin A is probably due to luteinization.<\/jats:p>","DOI":"10.1210\/jcem.83.10.5182","type":"journal-article","created":{"date-parts":[[2014,1,8]],"date-time":"2014-01-08T17:02:45Z","timestamp":1389200565000},"page":"3450-3453","source":"Crossref","is-referenced-by-count":6,"title":["A Spontaneous and Severe Hyperstimulation of the Ovaries Revealing a Gonadotroph Adenoma1"],"prefix":"10.1210","volume":"83","author":[{"given":"Sophie","family":"Christin-Maitre","sequence":"first","affiliation":[{"name":"Service d\u2019Endocrinologie, Hopital Saint-Antoine, 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