Abstract
Clinical-hormone studies were done on 34 patients with germinal tumors of the testis. The gonadotropin titres varied from normal to highly elevated values. Only in 4 cases (11.77%), however, were the gonadotropin titres above 10,000 mouse units/24 hours. These 4 were among the 9 cases (26.47%) with positive pregnancy tests. Gynaecomastia was present in 4 patients (11.77%). Total estrogens were assayed in these 4 cases and were found to be high. Gynaecomastia is attributed to excess estrogens. Elevated gonadotropin titres were found predominantly in cases of embryonal carcinoma, teratocarcinoma and choriocarcinoma, as well as in the most advanced clinical stages. As regards the correlation between gonadotropin titres and course of the tumor, it was found that the higher the titre the worse the prognosis. The results suggest that hormonal assays are of value in the clinical follow-up of testicular germinal tumors and should therefore be carried out in association with other clinical parameters.
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