<p>This study examines the prognostic significance of tumor necrosis and dirty necrosis in gastric cancer. Tumor necrosis, often linked to rapid tumor growth and insufficient vascularization, is a known poor prognostic indicator in several cancer types. Dirty necrosis, a special form seen with neutrophils and necrotic debris, has prognostic value in cancers like colorectal carcinoma and renal cell carcinoma. The presence of tumor-associated neutrophils (TANs) and NETosis, a process where neutrophils release extracellular traps, also plays a role in tumor progression and prognosis. This study included 187 gastric cancer patients who underwent surgery at Eskisehir Osmangazi University. Dirty necrosis was present in 39.6% of cases, with significant associations found between dirty necrosis and tumor type, grade, lymph node stage, and TIL presence. The study demonstrated that dirty necrosis correlated with longer recurrence-free survival and overall survival. Additionally, patients with dirty necrosis and prominent TILs exhibited improved survival outcomes. The findings suggest that dirty necrosis, particularly when associated with TIL, may indicate a better prognosis in gastric cancer. This study highlights the importance of re-evaluating necrosis types in gastric cancer prognosis and treatment strategies.</p>

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Prognostic evaluation of dirty necrosis and tumor necrosis in gastric cancers

  • Nazlı Sena Şeker,
  • Osman Furkan Mülkem,
  • Evrim Yılmaz,
  • Funda Canaz,
  • Metin Demir,
  • Bülent Yıldız,
  • Gözde Ağdaş,
  • Muzaffer Bilgin

摘要

This study examines the prognostic significance of tumor necrosis and dirty necrosis in gastric cancer. Tumor necrosis, often linked to rapid tumor growth and insufficient vascularization, is a known poor prognostic indicator in several cancer types. Dirty necrosis, a special form seen with neutrophils and necrotic debris, has prognostic value in cancers like colorectal carcinoma and renal cell carcinoma. The presence of tumor-associated neutrophils (TANs) and NETosis, a process where neutrophils release extracellular traps, also plays a role in tumor progression and prognosis. This study included 187 gastric cancer patients who underwent surgery at Eskisehir Osmangazi University. Dirty necrosis was present in 39.6% of cases, with significant associations found between dirty necrosis and tumor type, grade, lymph node stage, and TIL presence. The study demonstrated that dirty necrosis correlated with longer recurrence-free survival and overall survival. Additionally, patients with dirty necrosis and prominent TILs exhibited improved survival outcomes. The findings suggest that dirty necrosis, particularly when associated with TIL, may indicate a better prognosis in gastric cancer. This study highlights the importance of re-evaluating necrosis types in gastric cancer prognosis and treatment strategies.