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    Cervical Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI] - General Information About Cervical Cancer


    Prognostic Factors

    The prognosis for patients with cervical cancer is markedly affected by the extent of disease at the time of diagnosis. More than 90% of cervical cancer cases can be detected early through the use of the Pap test and HPV testing.[25] Pap and HPV testing are not performed on approximately 33% of eligible women, which results in a higher-than-expected death rate.

    Clinical stage

    Clinical stage as a prognostic factor is supplemented by several gross and microscopic pathologic findings in surgically treated patients.

    Evidence (clinical stage and other findings):

    In a large, surgicopathologic staging study of patients with clinical stage IB disease reported by the Gynecologic Oncology Group (GOG) (GOG-49), the factors that most prominently predicted for lymph node metastases and a decrease in disease-free survival were capillary-lymphatic space involvement by tumor, increasing tumor size, and increasing depth of stromal invasion, with the latter being the most important and reproducible.[26,27]

    In a study of 1,028 patients treated with radical surgery, survival rates correlated more consistently with tumor volume (as determined by precise volumetry of the tumor) than with clinical or histologic stage.[28]

    A multivariate analysis of prognostic variables in 626 patients with locally advanced disease (primarily stages II, III, and IV) studied by the GOG identified the following variables that were significant for progression-free interval and survival:[29]

    • Periaortic and pelvic lymph node status.
    • Tumor size.
    • Patient age.
    • Performance status.
    • Bilateral disease.
    • Clinical stage.

    The study confirmed the overriding importance of positive periaortic nodes and suggested further evaluation of these nodes in locally advanced cervical cancer. The status of the pelvic nodes was important only if the periaortic nodes were negative. This was also true for tumor size.

    It is controversial whether adenocarcinoma of the cervix carries a significantly worse prognosis than squamous cell carcinoma of the cervix.[30] Several population-based and retrospective studies show a worse outcome for patients with adenocarcinoma, with an increase in distant metastasis noted, when compared with those with squamous histology.[31,32,33,34] Reports conflict about the effect of adenosquamous cell type on outcome.[35,36] One report showed that approximately 25% of apparent squamous tumors have demonstrable mucin production and behave more aggressively than their pure squamous counterparts, suggesting that any adenomatous differentiation may confer a negative prognosis.[37]

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