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Br J Cancer ; 113(4): 595-602, 2015 Aug 11.
Artigo em Inglês | MEDLINE | ID: mdl-26225551

RESUMO

BACKGROUND: The impact of positive peritoneal cytology on the prognosis of cervical cancer is controversial. Thus, we performed a meta-analysis to determine its impact on recurrence, and to investigate correlations between abnormal cytology and/or lymph node metastasis in cervical cancer. METHODS: A systematic literature review was conducted through July 2014. Odds ratios (ORs) and their 95% confidence intervals (95% CIs) were calculated by standard meta-analysis techniques with the fixed-effects models, if there was no significant statistical heterogeneity across studies by using I(2). RESULTS: Of 303 studies retrieved, 6 were included in the meta-analysis. These six case-control observational studies included 1360 cervical cancer patients who showed negative peritoneal cytology and 64 who showed positive peritoneal cytology. Over the combined study period, 20 of 45 in the positive peritoneal cytology group experienced recurrence, whereas 88 of 539 controls did. The meta-analysis based on the fixed-effects model indicated a significant increase in the risk of recurrence in the positive peritoneal cytology group relative to the control group (OR: 4.47; 95% CI: 2.33-8.58, P<0.001, I(2)=0.0%). Moreover, the results of our meta-analysis suggested that the positive peritoneal cytology group displayed more lymph node metastasis than the negative peritoneal cytology group (OR: 3.73; 95% CI: 2.13-6.53, P<0.001, I(2)=0.0%). CONCLUSIONS: Although based mainly on retrospective observational studies, our meta-analysis indicates that abnormal peritoneal cytology may be strongly associated with poor prognosis in patients with cervical cancer. Future research should verify this relationship through prospective observational studies over a longer term.


Assuntos
Peritônio/patologia , Neoplasias do Colo do Útero/patologia , Adulto , Idoso , Estudos de Casos e Controles , Feminino , Humanos , Metástase Linfática/patologia , Pessoa de Meia-Idade , Recidiva Local de Neoplasia/patologia , Estudos Observacionais como Assunto , Prognóstico , Estudos Retrospectivos , Adulto Jovem
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