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  • Title: Multivariate analysis of the prognostic factors and outcomes in early cervical cancer patients undergoing radical hysterectomy.
    Author: Ho CM, Chien TY, Huang SH, Wu CJ, Shih BY, Chang SC.
    Journal: Gynecol Oncol; 2004 May; 93(2):458-64. PubMed ID: 15099962.
    Abstract:
    OBJECTIVE: This study was performed to identify pathologic and clinical risk factors that best predicted 5-year recurrence-free survival (RFS) among patients with early-stage cervical carcinoma, treated by radical hysterectomy and pelvic lymphadenectomy. METHODS: The records of 197 patients with early-stage invasive cervical carcinoma who underwent radical hysterectomy and pelvic lymphadenectomy from 1990 to 1999 were retrospectively reviewed. Clinical and pathologic variables including age, tumor size (TS), clinical stage, depth of invasion (DI), lymphovascular space involvement (LVSI), cell type, tumor grade, lymph node metastases (LNM), parametrial invasion, surgical margin involvement, and pattern of adjuvant therapy were analyzed using univariate and multivariate methods to define those variables that best predicted RFS. RESULTS: Outer 1/3 invasion, LVSI, and LNM were identified as independent poor prognostic factors, which were used to define three prognostic groups: patients (n = 104) with good prognoses (LVSI (-) and LNM (-)), patients (n = 46) with intermediate prognoses (either LVSI (+) without outer 1/3 invasion or LNM (+) without LVSI), and patients (n = 47) with poor prognoses (LVSI (+) patients with outer 1/3 invasion). The estimated 3-year RFS for patients with LVSI and deeply invasive tumors regardless of nodal status and/or nodal metastases receiving adjuvant CT + RT was significantly greater than that for patients who received only adjuvant radiotherapy (80% vs. 49%, P = 0.048 in the group of patients with LVSI and deeply invasive tumors with positive nodes and without positive nodes; 87% vs. 36%, P = 0.013 in the group of patients with LVSI and deeply invasive tumors with positive nodes only). CONCLUSIONS: The multivariate analysis and prognostic grouping system maximally separated patients with early-stage invasive cervical carcinoma into groups with good, intermediate, or poor prognoses, with 3-year RFSs of 90%, 82%, 67%; and 5-year RFSs of 89%, 69%, 43%, respectively. CT + RT played a role in improving RFS among patients with LVSI and deeply invasive tumors and poor prognoses.
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