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  • Title: Significance of pathologic patterns of pelvic lymph node metastases in endometrial cancer.
    Author: Mariani A, Webb MJ, Rao SK, Lesnick TG, Podratz KC.
    Journal: Gynecol Oncol; 2001 Feb; 80(2):113-20. PubMed ID: 11161847.
    Abstract:
    OBJECTIVE: The aim of this study was to correlate the pathologic characteristics of pelvic lymph node metastases with survival, recurrence, and patterns of recurrence in endometrial cancer. METHODS: Sixty patients with epithelial endometrial cancer and pelvic node metastasis were managed surgically between 1984 and 1993 at the Mayo Clinic. The mean number of nodes harvested was 16.7 and the mean number of nodes positive was 3.0. Mean follow-up was 45.5 months. The pathologic patterns of lymph node metastases were characterized. RESULTS: Outcome was related to pathologic patterns of pelvic node metastasis. Both diameter of lymph node metastasis (P < 0.01) and capsular integrity (P < or = 0.01) influenced 5-year disease-related survival and 5-year progression-free survival. The percentage of biopsied pelvic lymph nodes harboring metastatic disease and the proportion of the involved lymph nodes occupied by tumor significantly influenced death rates and recurrence rates (P < 0.05). The immune response and the absolute number of positive pelvic nodes did not impact recurrence or survival. The above characteristics of pelvic node metastasis correlated also with patterns of recurrence. Regression analysis indicated that capsular integrity (RR = 2.97; P = 0.005) and proportion of positive pelvic nodes biopsied (RR = 3.84; P = 0.01) were significant predictors of recurrence, whereas diameter of metastasis (RR = 3.68; P = 0.02) and proportion of positive pelvic nodes biopsied (RR = 4.04; P = 0.02) were most predictive of survival. CONCLUSIONS: The pathologic patterns of pelvic node metastasis appear to be significantly related to survival, recurrence, and patterns of recurrence.
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