Prognosis of early and advanced signet ring cell gastric carcinoma compared with other histological subtypes

Abstract

Background. Signet ring cell gastric carcinoma of the stomach traditionally characterized by its poor prognosis. Survival of patients with signet ring cell gastric carcinoma regardless of the stage of the disease has not been well studied.Aim. To compare clinicopathological characteristics and survival of the patients with signet ring cell gastric carcinoma of the stomach and non-signet ring cell carcinoma depending on the stage of the disease.Materials and methods. We performed retrospective review was undertaken of patients with gastric cancer who received surgical treatment in period from 2013–2018.Results. At early signet ring cell cancer, the 3and 5-year survival rates was 100,0 and 89.0 %; for non-signet ring cell carcinoma 91.4 and 85.3 % (р = 0.6; Hazard Ratio (HR) 0.73; 95 % Confidence Interval (CI) 0.22–2.42) respectively. For advanced signet ring cell carcinoma, the median survival rates, 3and 5-year survival rates was 38 months, 53.0 and 38.4 %; for non-signet ring cell carcinoma 51.1 months, 59.2 and 48.0 % (р = 0.2; HR 1.2; 95 % CI 0.91–1.54).Conclusion. Long-term results in patients with early (T1) signet ring cell cancer of the stomach did not significantly differ in comparison with other histological types of gastric cancer. Long-term results of advanced signet ring cell cancer are worse than non-signet ring cell cancer, but the differences are not statistically significant.