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World Journal of Urology

, Volume 30, Issue 3, pp 361–365 | Cite as

Low testosterone bioavailability is related to prostate cancer diagnose in patients submitted to prostate biopsy

  • Eduard García-CruzEmail author
  • Jorge Huguet
  • Marta Piqueras
  • Meritxell Pérez Márquez
  • Lluís Peri
  • Laura Izquierdo
  • Agustín Franco
  • Ricardo Álvarez-Vijande
  • María José Ribal
  • Antonio Alcaraz
Original Article

Abstract

Introduction

Relationship between prostate cancer (PCa) and testosterone (T) is controversial. Conflicting evidence has been published about T levels and development of PCa.

Aim

(1) To determine the relationship between hormone levels and the diagnosis of PCa. (2) To specifically focus on the relationship between PCa and T in men classified as biochemically hypogonadal.

Materials and methods

Prospective analysis of 1,000 transrectal ultrasound guided prostate biopsies (5 + 5 cores biopsies) between September 2007 and January 2010 in one center. Indication for prostate biopsy was suspicion of PCa on the basis of elevated prostate-specific antigen (PSA) and/or digital rectal examination (DRE). Serum testosterone and sex hormones binding globulin (SHBG) were determined in these patients. Of 557 men, the data were sufficient for further analysis. Age, body mass index (BMI), smoking/drinking habits, PSA, free PSA, PSA density, prostate volume, number of previous biopsies, DRE, and hormone levels were prospectively recorded.

Results

No relationship was found between T and PCa (449 ± 167 ng/dL in PCa versus 437 ± 169 ng/dL in non-PCa). SHBG was significantly higher in patients with PCa (51 ± 27 ng/dL in PCa vs. 44 ± 18 ng/dL in non-PCa). In hypogonadal men, T levels correlated with the PCa (235 ± 95 ng/dL in men with PCa versus 270 ± 58 ng/dL in men without PCa, P = 0.004).

Conclusions

T levels were comparable in men with and without PCa, but SHBG levels were significantly higher in men with PCa. In men with low T, the men with PCa had a lower serum T levels and a lower prostate volume than the men without PCa.

Keywords

Prostate cancer Prostate biopsy Testosterone Hypogonadism 

Notes

Conflict of interest

The authors declare that they have no conflict of interest.

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Copyright information

© Springer-Verlag 2011

Authors and Affiliations

  • Eduard García-Cruz
    • 1
    Email author
  • Jorge Huguet
    • 1
  • Marta Piqueras
    • 1
  • Meritxell Pérez Márquez
    • 1
  • Lluís Peri
    • 1
  • Laura Izquierdo
    • 1
  • Agustín Franco
    • 1
  • Ricardo Álvarez-Vijande
    • 1
  • María José Ribal
    • 1
  • Antonio Alcaraz
    • 1
  1. 1.Department of UrologyHospital Clínic de BarcelonaBarcelonaSpain

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