Georgia Karpathiou1, Marine Vieville2, Marie Gavid2, Florian Camy1, Jean Marc Dumollard1, Nicolas Magné3, Marios Froudarakis4, Jean Michel Prades2, Michel Peoc'h1. 1. Department of Pathology, North Hospital, University Hospital of Saint-Etienne, Saint-Etienne, France. 2. Department of Head and Neck Surgery, North Hospital, University Hospital of Saint-Etienne, Saint-Etienne, France. 3. Radiotherapy Department, Lucien Neuwirth Cancer Institute, Saint-Etienne, France. 4. Department of Pneumology and Thoracic Oncology, North Hospital, University Hospital of Saint-Etienne, Saint-Etienne, France.
Abstract
BACKGROUND: Despite immune microenvironment of head and neck squamous cell carcinoma (HNSCC) has been studied, there are no sufficient data on the role of tumor stroma factors. The aim of the study was to explore the prognostic and predictive role of these factors in a large series of HNSCC. METHODS: This is a retrospective study of 266 patients with laryngeal and pharyngeal SCC. Clinical data were correlated with the following histological parameters: tumor-stroma ratio (TSR), tumor budding activity (BA), cell nests size (CNS), and stroma type. RESULTS: Stroma-rich tumors, tumor budding, smaller CNS at core and front area, and fibroblastic stroma type, were all adverse prognostic factors (P < 0.0001, 0.001, 0.003, 0.001, 0.007, respectively). Stroma-poor tumors and with larger CNS showed good response to induction chemotherapy (P = 0.009 and 0.02, respectively). CONCLUSIONS: TSR, tumor budding, CNS, and stroma type are important prognostic and predictive factors in laryngeal and pharyngeal SCC.
BACKGROUND: Despite immune microenvironment of head and neck squamous cell carcinoma (HNSCC) has been studied, there are no sufficient data on the role of tumor stroma factors. The aim of the study was to explore the prognostic and predictive role of these factors in a large series of HNSCC. METHODS: This is a retrospective study of 266 patients with laryngeal and pharyngeal SCC. Clinical data were correlated with the following histological parameters: tumor-stroma ratio (TSR), tumor budding activity (BA), cell nests size (CNS), and stroma type. RESULTS:Stroma-rich tumors, tumor budding, smaller CNS at core and front area, and fibroblastic stroma type, were all adverse prognostic factors (P < 0.0001, 0.001, 0.003, 0.001, 0.007, respectively). Stroma-poor tumors and with larger CNS showed good response to induction chemotherapy (P = 0.009 and 0.02, respectively). CONCLUSIONS: TSR, tumor budding, CNS, and stroma type are important prognostic and predictive factors in laryngeal and pharyngeal SCC.
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