Neoplasias ovarianas Archives - Revista Brasileira de Ginecologia e Obstetrícia

  • Original Article05-11-2012

    Serous and non-serous ovarian carcinoma: histological tumor type as related to the grade of differentiation and disease prognosis

    Revista Brasileira de Ginecologia e Obstetrícia. 2012;34(5):196-202

    Abstract

    Original Article

    Serous and non-serous ovarian carcinoma: histological tumor type as related to the grade of differentiation and disease prognosis

    Revista Brasileira de Ginecologia e Obstetrícia. 2012;34(5):196-202

    DOI 10.1590/S0100-72032012000500002

    Views110

    PURPOSE: To compare the clinical-pathological features of women with serous and non-serous ovarian tumors and to identify the factors associated with survival. METHODS: In this reconstructed cohort study, 152 women with ovarian carcinoma, who attended medical consultations between 1993 and 2008 and who were followed-up until 2010 were included. The histological type was clearly established for all women: 81 serous carcinomas and 71 non-serous tumors (17 endometrioid, 44 mucinous and 10 clear cell carcinomas). The crude and adjusted odds ratios (OR), with the respective 95% confidence intervals (95%CI), were calculated for the clinical and pathological features, comparing serous and non-serous histological types. The Hazard Ratios (HR) with 95%CI was calculated for overall survival, considering the clinical and pathological features. RESULTS: Comparison of serous to non-serous tumor types by univariate analysis revealed that serous tumors were more frequently found in postmenopausal women, and were predominantly high histological grade (G2 and G3), advanced stage, with CA125>250 U/mL, and with positive peritoneal cytology. After multivariate regression, the only association remaining was that of high histological grade with serous tumors (adjusted OR 15.1; 95%CI 2.9-77.9). We observed 58 deaths from the disease. There was no difference in overall survival between women with serous carcinoma and women with non-serous carcinoma (HR 0.4; 95%CI 0.1 - 1.1). It was observed that women aged 50 years or less (HR 0.4; 95%CI 0.1-0.9) and those who were in menacne (HR 0.3; 95%CI 0.1-0.9) had a longer survival compared respectively to those above 50 years of age and menopaused. High histological grade (G2 and G3) (p<0.01), stages II-IV (p<0.008) and positive cytology (p<0.001) were significantly associated with worse prognosis. CA125 and the presence of ascites did not correlate with survival. Survival was poor when the disease was diagnosed in stages II to IV and compared to stage I (log-rank p<0.01) regardless of histological type (serous and non-serous). CONCLUSIONS: The proportion of high histological grade (G2 and G3) was significantly higher among serous than non-serous carcinomas. Serous and non-serous histological types were not related to overall survival.

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    This is an Open Access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
  • 07-30-2005

    Rastreamento e diagnóstico das neoplasias de ovário: papel dos marcadores tumorais

    Revista Brasileira de Ginecologia e Obstetrícia. 2005;27(4):222-227

    Abstract

    Rastreamento e diagnóstico das neoplasias de ovário: papel dos marcadores tumorais

    Revista Brasileira de Ginecologia e Obstetrícia. 2005;27(4):222-227

    DOI 10.1590/S0100-72032005000400010

    Views69

    O câncer de ovário é a neoplasia ginecológica mais letal e a sobrevida global é inferior a 40% em cinco anos. Isto ocorre principalmente porque a maioria das pacientes apresenta estadios avançados no momento do diagnóstico. Nestes casos as opções terapêuticas - citorredução e quimioterapia - são apenas parcialmente efetivas. Quando diagnosticado precocemente, por outro lado, a sobrevida em cinco anos é superior a 90% e a cirurgia geralmente é o único tratamento necessário. No entanto, em função da baixa prevalência do câncer de ovário na população, mesmo testes muito específicos produzem altas taxas de resultados falso-positivos e aumento de intervenções cirúrgicas para abordar massas anexiais assintomáticas. Com base nestes fatos, é essencial a busca de métodos e estratégias para se detectar estes tumores em estádios iniciais e ao mesmo tempo evitar intervenções desnecessárias. Neste artigo são revisadas as bases e as possíveis conseqüências de estratégias para a detecção precoce dos tumores ovarianos. São discutidos os principais métodos disponíveis e os resultados de alguns estudos com este objetivo.

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    This is an Open Access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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