BackgroundHemophagocytic lymphohistiocytosis (HLH) is a relatively rare but life-threatening disease with confusing clinical manifestations, rapidly deteriorating health, high morbidity and mortality.MethodsTo improve the recognition as well as understanding of this disorder, we analyzed clinical characteristics and prognostic factors from 85 adult patients diagnosed with HLH in our hospital from April 2005 to June 2014.ResultsPatients with HLH displayed variable clinical markers across a wide spectrum. These included fever and hyperferritinemia (100%), elevated lactate dehydrogenase (LDH) (98.8%), two or three cytopenia (92.2%), splenomegaly (72.9%), hypofibrinogenemia (69.4%), hypertriglyceridemia (64.7%), hemophagocytosis (51.7%), and hepatomegaly (24.7%). Patients with active Epstien-Barr Virus (EBV) infection had a median overall survival (OS) of 65 days. Those displaying malignancy had very poor survival (median OS: 40 days). However, patients in rheumatic and non-EBV infection groups had relatively superior prognosis (not reached). Univariate analysis showed that Fibrinogen (Fbg) <1.5 g/L, platelet number (PLT) <40 × 109/L and LDH ≥1000 U/L were factors that negatively affected survival (P = 0.004, 0.000, 0.002). Multivariate analysis showed that PLT <40 × 109/L was the independent adverse factor (HR = 0.350, 95% CI: 0.145-0.844, P = 0.019).ConclusionsHLH had very complex clinical manifestations and high death rate. Patients with active EBV infection, malignancy, Fbg <1.5 g/L, PLT <40 × 109/L and LDH ≥1000 U/L had high risk of death as well as inferior survival, and these patients require systemic targeted treatments as early as possible.

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The AJCC seventh edition TNM classification for gastric cancer was released in 2010 and included major revision. Large-volume gastric cancer centers have evaluated the prognostic significance of the new system and obtained paradoxical results. The authors performed a meta-analysis of these studies to evaluate the new classification. Fifteen eligible studies with 38,972 patients were included in the analysis. Hazard ratios (HRs) and associated 95 % confidence intervals were extracted from identified studies. The primary outcome was overall survival. The HRs for the seventh edition T classification and N classification were found to increase steadily and reasonably. The cumulative survival rates of the seventh edition subgroups of T classifications demonstrated obvious differences; meanwhile, the differences between subgroups of N classifications including N3a and N3b categories were also significant. The 5-year survival rates according to the seventh edition TNM staging system were 94.71 % (stage IA), 88.72 % (stage IB), 80.45 % (stage IIA), 67.24 % (stage IIB), 53.68 % (stage IIIA), 37.56 % (stage IIIB), and 21.26 % (stage IIIC), respectively. The results of this study indicate that the seventh edition of the TNM classification was considered valid, although further evaluation was needed for N3a and N3b categories.

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