Prognostic value of systemic inflammatory markers in renal cell carcinoma with isolated lung metastases: A retrospective analysis

Year 2024, Volume: 15 Issue: 4, 528 - 533, 31.12.2024

Nargiz Majidova , Ali Kaan Güren , Gülhan Dinç , Muhammed Fatih Kırcalı , Mustafa Seyyar , Demet Işık Bayraktar , Erkam Kocaaslan , Nadiye Sever , Yeşim Ağyol , Pınar Erel , Burak Paçacı , Mustafa Alperen Tunç , Abdussamet Çelebi , Selver Işık , Rukiye Arıkan , Vedat Bayoğlu , Osman Köstek , Murat Sarı

https://doi.org/10.18663/tjcl.1531223

Abstract

Aim: Metastatic renal cell carcinoma (mRCC) with lung metastases is associated with poor prognosis, and there is a growing interest in systemic inflammatory markers as potential prognostic indicators. This study evaluates the prognostic significance of the Systemic Immune-Inflammation Index (SII), Neutrophil-to-Lymphocyte Ratio (NLR), Platelet-to- Lymphocyte Ratio (PLR), and Advanced Lung Cancer Inflammation Index (ALI) in patients with mRCC.
Material and Methods: In our retrospective and multicenter study, we analyzed 76 mRCC patients with isolated lung metastases. Clinical data, including demographic characteristics, treatment details, and inflammatory markers, were collected. Patients were stratified according to the International Metastatic Renal Cell Carcinoma Database Consortium (IMDC) risk classification. The association of clinical and laboratory parameters with progression-free survival (PFS) and overall survival (OS) was analyzed using Kaplan-Meier curves and Cox proportional hazards models.
Results: The median age of the patients was 61 years (IQR: 29-84), with the majority being male (74%) and smokers (57%). High SII, NLR, and PLR were significantly associated with poor IMDC risk classification (p=0.001, p=0.003, and p=0.001, respectively). Multivariate analysis identified age >65 years (HR 3.09, 95% CI 1.3-6.9, p=0.006) and high PLR (HR 5.9, 95% CI 2.2-15.8, p=0.001) as independent predictors of worse OS. ALI was not significantly associated with survival outcomes.
Conclusion: Systemic inflammatory markers, particularly SII, NLR and PLR are strongly associated with poor prognosis in mRCC patients with lung metastases. These markers could be integrated into existing prognostic models to improve risk stratification and guide clinical decision-making. Further research is warranted to validate these findings and explore the underlying mechanisms linking systemic inflammation to RCC progression.

Keywords

Metastatic renal cell carcinoma, Lung metastases, Systemic immune-inflammation index, Neutrophil-to- lymphocyte ratio, Platelet-to-lymphocyte ratio

İzole akciğer metastazlı renal hücreli karsinomda sistemik inflamatuvar belirteçlerin prognostik önemi: Retrospektif inceleme

Abstract

Amaç: İzole akciğer metastazlı metastatik renal hücreli karsinom (mRHK) kötü prognozla ilişkilidir ve potansiyel prognostik göstergeler olarak sistemik inflamatuar belirteçlere artan bir ilgi vardır. Bu çalışmada mRCC hastalarında Sistemik İmmün- İnflamasyon İndeksi (Sİİ), Nötrofil-Lenfosit Oranı (NLO), Trombosit-Lenfosit Oranı (PLO) ve İleri Akciğer Kanseri İnflamasyon İndeksi'nin (İAİİ) prognostik önemi değerlendirilmektedir.
Gereç ve Yöntemler: Akciğer metastazları tedavi edilen 76 mRHK hastasının retrospektif bir analizini yaptık. Demografik özellikler, tedavi ayrıntıları ve enflamatuar belirteçler dahil olmak üzere klinik veriler toplandı. Hastalar Uluslararası Metastatik Renal Hücreli Karsinom Veritabanı (IMDC) risk sınıflandırmasına göre tabakalandırıldı. Klinik ve laboratuvar parametrelerinin progresyonsuz sağkalım (PFS) ve genel sağkalım (GS) ile ilişkisi Kaplan-Meier eğrileri ve Cox orantılı tehlikeler modelleri kullanılarak analiz edilmiştir.
Bulgular: Hastaların ortanca yaşı 61 (dağılım: 29-84) olup, çoğunluğu erkek (%74) ve sigara içmektedir (%57). Yüksek SII, NLR ve PLR kötü IMDC risk sınıflandırması ile anlamlı olarak ilişkiliydi (sırasıyla p=0.001, p=0.003 ve p=0.001). Çok değişkenli analizde 65 yaş üstü (HR 3.09, %95 CI 1.3-6.9, p=0.006) ve yüksek PLR (HR 5.9, %95 CI 2.2-15.8, p=0.001) daha kötü OS için bağımsız öngörücüler olarak tanımlanmıştır. ALI ile sağkalım sonuçları arasında anlamlı bir ilişki bulunmamıştır.
Sonuç: Sistemik inflamatuvar belirteçler, özellikle SII, NLR ve PLR, akciğer metastazı olan mRCC hastalarında kötü prognoz ile güçlü bir şekilde ilişkilidir. Bu belirteçler, risk sınıflandırmasını iyileştirmek ve klinik karar verme sürecini yönlendirmek için mevcut prognostik modellere entegre edilebilir. Bu bulguları doğrulamak ve sistemik enflamasyonu RCC progresyonuna bağlayan altta yatan mekanizmaları keşfetmek için daha fazla araştırma yapılması gerekmektedir.

Keywords

Metastatik renal hücreli kanser, akciğer metastazı, sistemik immune-inflamatuar indeks, nötrofil lenfosit oranı, trombosit lenfosit oranı

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