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Association Between Interleukin-6 Levels and Lymph Node Metastasis in Bladder Cancer Patients
Syah Mirsya Warli1,2, Fauriski Febrian Prapiska2, Dewi Indah Sari Siregar3
1Department of Urology, Faculty of Medicine, Universitas Sumatera Utara Hospital - Universitas Sumatera Utara, Medan, Indonesia.
Background:
Bladder cancer (BC) is one of the urological cancers with high prevalence, mortality, morbidity, and expenditure rates. Urothelial malignancies account for about 90% cases of BC, with squamous and adenocarcinomas making up the remaining 10%. Lymph node metastasis (LNM), the most common type of BC metastasis, is generally found in the pelvic lymph nodes. LNM significantly affects the chances of survival and prognosis for patients with BC. It is feasible to stratify and assess the malignancy of the tumor and its response to therapies using potential tumor markers. Interleukin-6 (IL-6) has been observed to be a predictor of metastasis in lymph nodes in BC. The aim of this study was to evaluate the relationship between IL-6 levels and lymph node metastases in BC patients.
Methods:
Thirty-two BC patients between August 2021 and January 2022 were admitted to this study. Data on patient characteristics, clinical data, TNM staging, and IL-6 levels were collected. Univariate analysis was used in the characteristics of the patients.
Results:
The total subjects were 32 with 15 results in LNM. The difference in IL-6 levels between the LNM (+) group and the LNM (-) was statistically significant by Fisher's exact test (P = 0.041) and Mann-Whitney U tests (P = 0.003).
Conclusions:
The BC patients who had lymph node metastases also had higher serum levels of IL-6.
