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  • Title: Orchiectomy does not selectively increase adrenal androgen concentrations.
    Author: Parker L, Lai M, Wolk F, Lifrak E, Kim S, Epstein L, Hadley D, Miller J.
    Journal: J Clin Endocrinol Metab; 1984 Sep; 59(3):547-50. PubMed ID: 6235240.
    Abstract:
    Prostatic carcinoma is androgen dependent and, therefore, treated by orchiectomy. However, adrenal androgen secretion remains intact after orchiectomy, and several investigators even reported an increase in serum adrenal androgen concentrations after orchiectomy. Such an increase in androgen secretion theoretically could promote tumor recurrence. To investigate this question, we obtained multiple blood samples from 10 men before, within 1 week after, and up to 6 months after orchiectomy for prostatic carcinoma. Serum testosterone concentrations became unmeasurable (less than 40 ng/dl) after orchiectomy. Three of the 10 patients had transient increases of at least 50% in both serum dehydroepiandrosterone (DHA) and cortisol after orchiectomy, presumably due to surgical stress, but mean serum DHA and DHA sulfate (DHAS) did not increase in the group as a whole. Subsequently, serum DHA and DHAS concentrations were similar to preoperative values in all patients. Therefore, we find no evidence to support the hypothesis that adrenal androgen concentrations increase after orchiectomy.
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