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  • Title: The role of cytoreductive surgery for colon cancer metastatic to the ovary.
    Author: McCormick CC, Giuntoli RL, Gardner GJ, Schulick RD, Judson K, Ronnett BM, Vang R, Bristow RE.
    Journal: Gynecol Oncol; 2007 Jun; 105(3):791-5. PubMed ID: 17408727.
    Abstract:
    OBJECTIVE: We sought to further elucidate the survival impact of cytoreductive surgery among patients with colon cancer metastatic to the ovary. METHODS: All women diagnosed with primary colon cancer metastatic to the ovary at a single institution from 1980 to 2005 were retrospectively identified. Survival analyses and comparisons were performed using Kaplan-Meier plots and the log rank test. RESULTS: A total of 39 patients with 40 cases of colon cancer metastatic to the ovary were identified. Patients with metastatic disease confined to the ovaries (n=11) had a median overall survival (OS) time of 61 months (range 15-120) compared to 17 months (range 0.5-73) for those with more extensive metastases (n=24) (p=0.0428). Patients undergoing optimal cytoreduction (residual < or =1 cm) had a median progression-free survival (PFS) of 11 months (range 0.5-120, n=26) compared to 2.5 months (range 0.5-12, n=9) for those receiving suboptimal cytoreduction (p=0.0001). Optimal cytoreduction was also associated with a significantly longer median OS (35 months, range 0.5-120) compared to suboptimal cytoreduction (median OS=7 months, range=0.5-17) (p<0.0001). The peri-operative mortality rate was 5%. Significant morbidity occurred in 10% of the cases. All major complications occurred in women with diffuse disease who underwent extensive cytoreductive surgery. CONCLUSIONS: The observation that optimal cytoreduction was associated with prolonged PFS and OS in both patients with localized ovarian and widespread metastases of colon cancer suggests a role for surgical management of metastatic colon cancer in women.
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