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. 2024 Jul-Aug;38(4):2049-2057.
doi: 10.21873/invivo.13663.

Preoperative and Postoperative Platelet-Lymphocyte Ratio Is a Prognostic Marker for Patients With Soft Tissue Sarcoma Treated With Curative Resection

In Hee Lee #  1 , Jihyun Na #  2 , Soo Jung Lee  3
Affiliations

Preoperative and Postoperative Platelet-Lymphocyte Ratio Is a Prognostic Marker for Patients With Soft Tissue Sarcoma Treated With Curative Resection

In Hee Lee et al. In Vivo. 2024 Jul-Aug.

Abstract

Background/aim: Systemic inflammation has been implicated in the development and progression of cancer. Inflammatory markers have been identified as prognostic indicators in numerous malignancies. This study explored the prognostic relevance of the initial and postoperative neutrophil-lymphocyte ratio (NLR) and platelet-lymphocyte ratio (PLR) on relapse-free survival (RFS) and overall survival (OS) in patients with soft-tissue sarcoma (STS) who underwent curative resection.

Patients and methods: We included 89 patients with STS who underwent extensive and radical resection at the Kyungpook National University Chilgok Hospital between 2004 and 2018. Kaplan-Meier curves for RFS and OS were calculated using multivariate Cox proportional models.

Results: A total of 67 (75.3%) patients demonstrated a high initial NLR (≥4.1) and 65 (75.3%) showed a high initial PLR (≥231). In the univariate and multivariate analyses, an elevated initial PLR ratio was significantly associated with a decreased RFS (p=0.017) and OS (p=0.003). Patients with a high PLR (PLR >231) had a median RFS of 24 months, whereas those with a low PLR (PLR ≤231) had a median RFS of 96 months. The median OS was 50 and 298 months for the high PLR and low PLR groups, respectively. Furthermore, a high postoperative PLR ratio was associated with a decreased RFS (p=0.001) and OS (p=0.038).

Conclusion: Preoperative and postoperative PLR ratio can be used as a cost-effective prognostic marker for oncologic outcomes in patients with STS who undergo surgery.

Keywords: PLR; Soft-tissue sarcoma; prognostic marker.

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