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Purpose: To analyse and compare the clinical effects and safety of capecitabine and tegafur/gimeracil/oteracil (S-1) in the treatment of advanced breast carcinoma.Methods: Eighty-four metastatic breast cancer elderly patients for whom first or second-line treatment had failed, were selected from among those admitted to the oncology ward of Binjiang People’s Hospital, China between January 2014 and June 2015. They were randomly divided into S-1 group (n =41) and capecitabine group (n = 41) and received varying doses of those drugs according to body surface area. Clinical effects, progression-free survival, and incidence of adverse reactions were compared for the two groups following treatment.Results: Disease control rate (CR) in S-1 group was 55.6 %, much higher than 35.1 % observed for capecitabine group (p < 0.05). The disease control rate for the S-1 group was 93.7 %, also much higher than the 70.6 % found in capecitabine group. Survival analysis showed that the median survival times of the two groups did not differ significantly (p > 0.05). Furthermore, some adverse reactions such as myelosuppression and lack of strength, did not differ significantly between the two groups (p > 0.05), whereas others, including leukopenia, nausea and vomiting and hand-foot syndrome were more serious and frequent in capecitabine group than in S-1 group (p < 0.05).Conclusion: Monotherapy with S-1 is more effective than that with capecitabine. Adverse reactions are minimal for both drugs.Keywords: Breast carcinoma, Capecitabine, S-1, Adverse reactions, Myelosuppression, Leukopenia, Hand-foot syndrome

Objective: To investigate the expression of Topo IIα and Ki67 and its clinical significance. Methods: The clinical pathological data of one hundred and sixteen invasive breast cancer patients who were admitted into our hospital from July 2013 to December 2015 and underwent radical mastectomy were retrospectively analyzed. The expression of topoisomerase (Topo) IIα and Ki67 was detected using immunohistochemical method, and the correlation between the two kinds of proteins and the general clinical pathological characteristics of the patients was analyzed. Results: The positive expression rates of Topo IIα and Ki67 in breast cancer were 58.6% and 75% respectively. The expression of Topo IIα was in no apparent correlation with the age, tumor size, estrogen receptor (ER), progesterone receptor (PR) and human epidermal growth factor receptor 2 (HER-2) (P>0.05), but in a correlation with the number of metastatic lymph glands (P