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Testosterone levels in benign prostatic hypertrophy and prostate cancer
Luigi Mearini1, Elisabetta Costantini, Alessandro Zucchi
1Department of Urology, University of Perugia, Perugia, Italy. luigi.mearini@tin.it
Urologia Internationalis
|March 26, 2008
Summary
Low serum testosterone levels are associated with prostate cancer and advanced disease stage. Measuring testosterone alongside prostate-specific antigen may improve prostate disease diagnosis.
Area of Science:
- Endocrinology
- Urology
- Oncology
Background:
- Hormones are crucial for prostate growth, but their clinical role in prostate diseases remains unclear.
- This study investigates serum hormone levels as potential markers for prostate disease.
Purpose of the Study:
- To determine if serum hormone levels correlate with benign prostatic hypertrophy (BPH) and prostate cancer.
- To assess the predictive value of hormone levels, particularly testosterone, in diagnosing prostate diseases.
Main Methods:
- Serum levels of testosterone, follicle-stimulating hormone, luteinizing hormone, and prolactin were measured in 128 patients with BPH or prostate cancer.
- Hormone levels were correlated with disease presence and, in cancer patients, with prognostic factors.
- Predictive accuracy was evaluated using logistic regression and receiver operating characteristic curves for prostate-specific antigen and testosterone.
Main Results:
- Testosterone concentrations were significantly lower in prostate cancer patients compared to BPH patients.
- Lower testosterone levels were also observed in patients with advanced-stage prostate cancer versus organ-confined disease.
- Testosterone demonstrated independent predictive value, enhancing diagnostic accuracy for both BPH and prostate cancer.
Conclusions:
- Findings support the link between low testosterone and prostate cancer.
- Combining prostate-specific antigen and testosterone measurements may improve the diagnostic accuracy for prostate diseases.
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