Cancers · 2025
Prognostic Value of Hematologic Indices and Composite Models in Anal Squamous Cell Carcinoma Treated with Image-Guided Chemoradiotherapy.
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Argalácsová Soňa, Dytrych Petr, Wágnerová Monika, Černý Vladimír, Špaček Jan, Hloušek Stanislav, Koželský Pavel, Tesař Jakub, Hoskovec David, Vočka Michal
Аннотация
BACKGROUND: Anal squamous cell carcinoma (ASCC) is a rare malignancy primarily treated with chemoradiotherapy (CRT). This study evaluated outcomes and the prognostic value of simple hematologic indices in patients receiving modern image-guided CRT.
METHODS: Fifty-five patients with non-metastatic ASCC treated between 2017 and 2025 were retrospectively analyzed. Survival was estimated by Kaplan-Meier methods, and prognostic factors were assessed by log-rank testing and Cox regression. Baseline neutrophil-to-lymphocyte (NLR) and platelet-to-lymphocyte (PLR) ratios were analyzed individually and in combination with nodal status.
RESULTS: At a median follow-up of 53.1 months, overall survival reached 90% at 5 years, whereas disease-free survival declined to 51%. Nodal positivity showed a non-significant trend toward poorer DFS. Baseline PLR ≥ 150 was significantly associated with inferior DFS in univariable analysis (HR 5.28, 95% CI 1.12-24.97, p = 0.036), while NLR ≥ 3 showed a borderline effect (p = 0.108). In multivariable models, PLR retained borderline prognostic relevance (p = 0.083), whereas Kaplan-Meier curves indicated non-significant trends (p = 0.129 and 0.055). Integrated models combining nodal status with PLR ± NLR improved risk discrimination: Model A (N + PLR ≥ 150 ± NLR ≥ 3) showed a trend (p = 0.059), and Model B (N + PLR ≥ 150) reached significance (p = 0.021; C-index ≈ 0.68-0.69).
CONCLUSIONS: Modern CRT achieved excellent OS with acceptable toxicity, though early recurrences limited DFS. Integrating hematologic indices with nodal status provides a pragmatic, cost-effective approach for individualized risk assessment and follow-up in ASCC.
METHODS: Fifty-five patients with non-metastatic ASCC treated between 2017 and 2025 were retrospectively analyzed. Survival was estimated by Kaplan-Meier methods, and prognostic factors were assessed by log-rank testing and Cox regression. Baseline neutrophil-to-lymphocyte (NLR) and platelet-to-lymphocyte (PLR) ratios were analyzed individually and in combination with nodal status.
RESULTS: At a median follow-up of 53.1 months, overall survival reached 90% at 5 years, whereas disease-free survival declined to 51%. Nodal positivity showed a non-significant trend toward poorer DFS. Baseline PLR ≥ 150 was significantly associated with inferior DFS in univariable analysis (HR 5.28, 95% CI 1.12-24.97, p = 0.036), while NLR ≥ 3 showed a borderline effect (p = 0.108). In multivariable models, PLR retained borderline prognostic relevance (p = 0.083), whereas Kaplan-Meier curves indicated non-significant trends (p = 0.129 and 0.055). Integrated models combining nodal status with PLR ± NLR improved risk discrimination: Model A (N + PLR ≥ 150 ± NLR ≥ 3) showed a trend (p = 0.059), and Model B (N + PLR ≥ 150) reached significance (p = 0.021; C-index ≈ 0.68-0.69).
CONCLUSIONS: Modern CRT achieved excellent OS with acceptable toxicity, though early recurrences limited DFS. Integrating hematologic indices with nodal status provides a pragmatic, cost-effective approach for individualized risk assessment and follow-up in ASCC.