Abstract
To evaluate the importance of neutrophil-to-lymphocyte ratio (NLR), lymphocyte-to-monocyte ratio (LMR), platelet-to-lymphocyte ratio (PLR), neutrophil-to-monocyte ratio (NMR) and De Ritis ratio (DRR) in predicting clinical presentation and prognosis of patients with testicular germ cell tumors (TGCTs). Observational study. Antalya Training and Research Hospital Antalya, Turkey, from January 2009 to March 2020. The characteristics and the results of biochemical and pathological examinations of patients who underwent radical orchiectomy were recorded. NLR, LMR, PLR, NMR, and DRR were calculated. The relationship among inflammation markers and DRR and clinical presentation and prognosis of TGCT was evaluated. Data of 99 patients were eligible for the study. Median age was 32 (27-39) years. Average size of the tumor was 5 (2.7 - 7) cm. Average duration of follow-up was 35.4 (8-62)months. Higher NLR and lower LMR were significantly correlated with higher rates of advanced-stage cancer, metastasis, and retroperitoneal lymph node invasion (RPLNI)(p<0.05). Based on the optimal cut-off values, there was a significantly higher rate of S stage, RPLNI, and metastatic disease in the high NLR group (p<0.05). Kaplan-Meier survival analysis found a statistically significantly lower mean survival rate in the high NLR group (p<0.05). There was no statistically significant difference between the DRR groups in the above-mentioned parameters (p>0.05). Preoperative NLR can be used as an inexpensive and easily accessible marker to predict clinical presentation at diagnosis and mortality rates during follow-up of patients with TGCT. Preoperative LMR can also be associated with the clinical picture at the time of diagnosis of TGCT. Key Words: De ritis ratio, Lymphocyte-to-monocyte ratio, Neutrophil-to-lymphocyte ratio, Neutrophil-to-monocyte ratio, Platelet-to-lymphocyte ratio, Testicular germ cell tumor.
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