We demonstrated no decrease in objective parameters of erectile function studies following transurethral resection of the prostate. Previous estimates of impotence after transurethral prostatectomy may have been tainted by subjective patient reports equating retrograde ejaculation with erectile dysfunction.
Our data suggest that significant changes in the insulin-like growth factor system occur with malignant transformation in the prostate. It is hoped that this system may eventually result in a better serum or tissue (from prostate biopsy) marker of malignant transformation, and/or represent a target for early therapeutic intervention to alter the growth and development of prostate cancer.
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