Zinc, calcium and sodium levels of the prostatic secretions in patients with prostatic adenoma were studied. In a control group of 20 patients, two samples of the secretion, taken on the first and the seventh day, were compared and found to show no difference. In the treated group of 20 patients, where a 7-day therapy of ERU (extractum radix urticae) followed upon the first sampling, the 7th-day specimen presented a significant drop in the Zn level. Correlation was found to exist between the Zn and Ca levels. From literary data the inference was drawn that ERU is producing a derangement in the zinc-testosterone metabolism and diminishes the zinc secretion in adenomatous tissue.
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