Neutrophil-to-lymphocyte and neutrophil-to-monocyte rates in the decision for a prostate re-biopsy in patients with a previous benign pathology and consistently 2,5-10 ng/ml PSA value.

In this study we compared neutrophil-to-lymphocyte ratio (NLR) and neutrophilto- monocyte ratio(NMR) between patients with prostate cancer after first transrectal ultrasound (TRUS)- guided biopsy and patients with benign prostate hyperplasia(BPH) after second TRUS-guided biyopsy.

A total of 224 patients who underwent multi (≥12)-core TRUS -guided biopsy at our clinic for elevated PSA or abnormal digital rectal examination in between January 2008 and March 2015 were retrospectively analyzed. There were 2 groups. Group 1 consisted of 146 patients with a diagnosis of prostate cancer after the first TRUSguided biyopsy and group 2 consisted of 78 patients with a diagnosis of benign prostate hyperplasia after second TRUS-guided biyopsy. Age, PSA, NLR and NMR values were compared between the two groups.

There were no statistically significant correlation between PSA and NLR(p=0.46). The mean of age, PSA, NLR, NMR values in the group 1 and 2 were respectively 64.6±7.7 and 61.6±6.9, 6.5±1.9 and 5.3±1.2, 2.8±1.5 and 2.3±1.1, 9.2±3.9, 8.1±2.9 (p=0.03, p=0.001, p=0.012 and p=0.30). The mean PSA, NLR ,NMR values of the group 1 were significantly higher than those in group 2 (p=0.002). Gleason grade and pathological stage were significantly increases as NLR increases.

NLR and NMR in patients with BPH after second TRUS-guided biopsy were lower than that of those with a diagnosis of prostate cancer after the first TRUS-guided biopsy.White blood test subtypes can be considered for the decision to perform a second TRUSguided biopsy in patients with previous negative biopsy with persistently elevated PSA.

Archivos espanoles de urologia. 2016 Nov [Epub]

Yasin Ceylan, Bülent Günlüsoy, Tansu Degirmenci, Deniz Bolat, Zafer Kozacioglu, Enver Vardar, Yusuf Kadir Topçu, Salih Polat

Department of Urology. Bozyaka Research and Education Hospital. Izmir. Turkey., Department of Pathology. Bozyaka Research and Education Hospital. Izmir. Turkey.

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