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Prognostic factors and survival of stage IB-IIA cervical cancer
Xi-shi Liu1, Xiao-fang Yi, Min Zhao
1Department of Gynecology, The Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200011, China. yihou_73@yahoo.com.cn
Objective:
This study investigated the prognostic significance of age at diagnosis, stage, tumor subtype, pelvic lymph node metastasis (PLNM), lymph-vascular space involvement (LVSI), presence or absence of deep cervical stromal invasion (DCSI) in stage IB-IIA cervical cancer patients. It also investigated the inter-relationship among these factors.
Methods:
152 patients treated with radical hysterectomy plus pelvic lymphadenectomy were followed up for a median of 49 months and were evaluated retrospectively.
Results:
The 5-year overall survival rate was 84.8%. The distribution of age at diagnosis is of bimodal shape, peaking at 42 and 68 years, respectively. Tumor subtype, PLNM, DCSI, and LVSI were found to be significant prognostic factors individually. After multivariate analysis, only tumor subtype and PLNM were found to be independent, significant prognostic factors for survival. The prognostic importance of LVSI appeared to be eclipsed by the presence of PLNM. DCSI was statistically related with FIGO stage, LVSI and PLNM.
Conclusion:
Tumor subtype and PLNM are the two most important independent prognostic factors for stages IB-IIA cervical cancer. Some prognostic factors are inter-related and may reflect different facets of tumor progression.
