Low serum testosterone predicts upgrading and upstaging of prostate cancer after radical prostatectomy

Often, pathological Gleason Score （GS） and stage of prostate cancer （PCa） were inconsistent with biopsy GS and clinical stage.However, there were no widely accepted methods predicting upgrading and upstaging PCa. In our study, we investigated the association between serum testosterone and upgrading or upstaging of PCa after radical prostatectomy （RP）. We enrolled 167 patients with PCa with biopsy GS 〈6, clinical stage ≤T2c, and prostate-specific antigen （PSA） 〈10 ng ml-1 from April 2009 to April 2015. Data including age, body mass index, preoperative PSA level, comorbidity, clinical presentation, and preoperative serum total testosterone level were collected. Upgrading occurred in 62 （37.1%） patients, and upstaging occurred in 73 （43.7%） patients. Preoperative testosterone was lower in the upgrading than nonupgrading group （3.72 vs 4.56, P 〈 0.01）. Patients in the upstaging groUp had lower preoperative testosterone than those in the nonupstaging group （3.84 vs 4.57, P = 0.01）. In multivariate logistic regression analysis, as both continuous and categorical variables, low serum testosterone was confirmed to be an independent predictor of pathological upgrading （P = 0.01 and P = 0.01） and upstaging （P = 0.01 and P = 0.02） after RR We suggest that low serum testosterone （〈3 ng ml-1） is associated with a high rate of upgrading and upstaging after RP. It is better for surgeons to ensure close monitoring of PSA levels and imaging examination when selecting non-RP treatment, to be cautious in proceeding with nerve-sparing surgery, and to be enthusiastic in performing extended lymph node dissection when selecting RP treatment for patients with low serum testosterone.

Serum Total Testosterone Levels Pre- and Post-Subinguinal Microsurgical Varicocelectomy in Men with Clinical Varicoceles

Background: Varicocele is abnormal dilation and tortousity of the scrotal venous pampiniform plexus that drain blood from each testicle. Recently, it has been linked to low serum total testosterone (TT) levels by affecting the optimal functioning of the leydig cell via increasing the scrotal temperature. Varicocele repair has been found post-operatively to increase the serum levels of TT. This study looks at the pre and post-subinguinal microsurgical varicocelectomy serum TT levels in male patients with clinical varicocele. Methods: The study involved 88 male patients with clinical varicoceles who met the inclusion criteria. These patients after good history taking and physical examination had their serum TT levels measured pre varicocelectomy and 6 months post-subinguinal microsurgical varicocelectomy. The varicoceles were diagnosed by physical examination and use of scrotal color Doppler ultrasonography (US). Results: The number of patients with varicocele were 88 males. The mean age of the patients was 33.43 ± 7.82 years. There was isolated left varicocele in 57 (64.8%) patients and bilateral varicocele in 27 (30.7%) patients. Pre varicocelectomy, 61 (69.3%) patients had serum TT of between 100 - 290 nanogram/deciliter (ng/dl) and a mean value of 241 ± 0.91 ng/dl. Post varicocelectomy 56 (63.6%) patients had serum TT in the range of 300 - 490 ng/dl with a mean of 482 ± 2.87 ng/dl, showing a robust significant increase in the serum TT post-operatively (P < 0.001). Conclusion: There was statistically significant improvement in the serum TT levels with 55 (79%) patients exhibiting normalization of serum TT levels after subinguinal microsurgical varicocelectomy.