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  • Title: Platelet-derived endothelial cell growth factor as a prognostic factor for radiotherapy outcome in patients with adenocarcinoma of the uterine cervix.
    Author: Ryu SY, Oka K, Tsujii H, Suzuki Y, Nakano T.
    Journal: Gynecol Oncol; 2003 Jun; 89(3):414-9. PubMed ID: 12798704.
    Abstract:
    OBJECTIVE: The aim of this study was to evaluate the platelet-derived endothelial cell growth factor (PD-ECGF) and VEGF expressions of tumor cells as prognostic factors for radiotherapy outcome in patients with adenocarcinoma of the uterine cervix. METHODS: In 47 formalin fixed, paraffin-embedded tissues from adenocarcinoma of the uterine cervix which had been treated with radiation (1970-1995), PD-ECGF and VEGF expressions were determined using immunohistochemistry, and the relationships between PD-ECGF or VEGF expressions and local control or survival were assessed. RESULTS: PD-ECGF and VEGF expressions were successfully detected in the cytoplasm and/or nucleus of adenocarcinoma cells of the uterine cervix. Of the 47 patients, 44.6 (21/47 cases) and 57.4% (27/47 cases) were positive for PD-ECGF and VEGF, respectively. There was no correlation between PD-ECGF or VEGF expressions and age, grade, or histologic subtypes. Stage and high expression of PD-ECGF showed a significant correlation to local control (P = 0.0025, P = 0.0057, respectively) and were significant independent prognostic factors for 5-year survival in multivariate analysis (P = 0.0039, P = 0.0032, respectively). CONCLUSION: This study demonstrated that PD-ECGF expression was a significant prognostic factor for radiotherapy outcome in patients with adenocarcinoma of the uterine cervix. Preradiation assessment of PD-ECGF expression may be helpful in selecting high-risk patients, providing them with opportunities to receive more sophisticated and individualized treatments.
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