To investigate the predictive value of common preoperative laboratory variables in patients undergoing bilateral inguinal lymph node dissection surgery for penile squamous cell carcinoma.
We retrospectively analyzed the records of 228 patients who had bilateral inguinal lymph node dissection for penile squamous cell carcinoma to assess the following clinical factors: preoperative laboratory measurements, white blood cell count, platelet count, neutrophil-to-lymphocyte ratio, platelet-to-lymphocyte ratio, serum calcium, total protein, globulin, pathological factors and survival rates after surgery.
The percentage of positive lymph nodes was 52.6%. Univariate analysis showed that the tumor stage and grade, the presence of metastasis, white blood cell count, platelet count, neutrophil-to-lymphocyte ratio, platelet-to-lymphocyte ratio, and globulin were significantly associated with the disease-specific survival (all P < 0.05). At multivariate analysis, only the neutrophil-to-lymphocyte ratio had an independent effect (hazard ratio 2.131; P = 0.035). The predictive accuracy of the neutrophil-to-lymphocyte ratio was the best among the laboratory variables. The predictive accuracy of the basic pathological factors was significantly increased by incorporating the neutrophil-to-lymphocyte ratio prognosticator.
The neutrophil-to-lymphocyte ratio before inguinal lymph node dissection might be useful for predicting the prognosis of patients with penile squamous cell carcinoma.
International journal of urology : official journal of the Japanese Urological Association. 2019 Oct 29 [Epub ahead of print]
Zaishang Li, Xueying Li, Xueqi Zhang, Peng Chen, Bin Wang, Xiaofeng Chen, Hui Han, Fangjian Zhou
Department of Urology, Shenzhen People's Hospital, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen, China., Department of Medical Oncology, The Seventh Hospital of Sun Yat-sen University, Shenzhen, China., Department of Urology, Affiliated Tumor Hospital of Xinjiang Medical University, Urumchi, China., Department of Urology, Cancer Center of Guangzhou Medical University, Guangzhou, China., Department of Urology, The First People's Hospital of Chenzhou, Chenzhou, China., Department of Urology, Sun Yat-sen University Cancer Center, Guangzhou, China.