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Neutrophil-to-Lymphocyte Ratio Predicts Pathological Renal Sinus Fat Invasion in Renal Cell Carcinomas of ≤7 cm with Presumed Renal Sinus Fat Invasion

Authors
 Jongchan Kim  ;  Jee Soo Park  ;  Ji Eun Heo  ;  Ahmed Elghiaty  ;  Won Sik Jang  ;  Koon Ho Rha  ;  Young Deuk Choi  ;  Won Sik Ham 
Citation
 YONSEI MEDICAL JOURNAL, Vol.60(11) : 1021-1027, 2019 
Journal Title
 YONSEI MEDICAL JOURNAL 
ISSN
 0513-5796 
Issue Date
2019
Keywords
Carcinoma ; lymphocytes ; neutrophils ; renal cell
Abstract
PURPOSE: Computed tomography (CT) is the most useful diagnostic modality for staging renal cell carcinoma (RCC). However, CT is limited in its ability to predict renal sinus fat invasion (SFI). Here, we aimed to evaluate whether preoperative neutrophil-to-lymphocyte ratio (NLR) could predict pathological SFI in patients with RCC of ≤7 cm for whom preoperative imaging reveals potential renal SFI. MATERIALS AND METHODS: We reviewed the medical records of 1311 patients who underwent extirpative renal surgery for non-metastatic RCC of ≤7 cm between November 2005 and December 2014. After excluding patients with no SFI in preoperative imaging, unavailable preoperative data, and morbidity affecting inflammatory markers, a total of 476 patients were included in this study. Multivariate logistic regression analysis was used to evaluate predictors of pathological SFI. RESULTS: We implemented a cut-off value of 1.98, which was calculated by ROC analysis to obtain high (≥1.98) and low (<1.98) NLR groups. A total of 93 patients with pathological SFI had larger clinical tumor size, higher preoperative NLR, larger pathological tumor size, more frequent renal vein involvement, and higher Fuhrman nuclear grade. Multivariate analysis indicated that high NLR [odds ratio (OR) 2.032, p=0.004], clinical tumor size (OR 1.586, p<0.001), and collecting system involvement on preoperative imaging (OR 3.957, p=0.011) were significantly associated with pathological SFI in these tumors. CONCLUSION: Preoperative high NLR was associated with pathological SFI in patients with RCC of ≤7 cm and presumed SFI on preoperative imaging. Greater surgical attention is needed to obtain negative margins during partial nephrectomy in these patients.
Files in This Item:
T201904162.pdf Download
DOI
10.3349/ymj.2019.60.11.1021
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Urology (비뇨의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Jong Chan(김종찬) ORCID logo https://orcid.org/0000-0002-0022-6689
Rha, Koon Ho(나군호) ORCID logo https://orcid.org/0000-0001-8588-7584
Park, Jee Soo(박지수) ORCID logo https://orcid.org/0000-0001-9976-6599
Jang, Won Sik(장원식) ORCID logo https://orcid.org/0000-0002-9082-0381
Choi, Young Deuk(최영득) ORCID logo https://orcid.org/0000-0002-8545-5797
Ham, Won Sik(함원식) ORCID logo https://orcid.org/0000-0003-2246-8838
Heo, Ji Eun(허지은) ORCID logo https://orcid.org/0000-0002-4184-8468
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/173159
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