In 26 patients with varicocele, measurements of plasma follicle stimulating hormone (FSH), luteinising hormone (LH), testosterone (T) and oestradiol2 (E2) were made; pre-operative and post-operative sperm counts, dynamic stimulation tests with HCG and clomiphene, and testicular biopsies including light microscopy, morphometry, and ultrastructural study in 4 cases, were also performed. A correlation was found between the hormonal pattern and testicular morphology.
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