Gynecologic oncology · 2000
High-risk group in node-positive patients with stage IB, IIA, and IIB cervical carcinoma after radical hysterectomy and postoperative pelvic irradiation.
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Aoki Y, Sasaki M, Watanabe M, Sato T, Tsuneki I, Aida H, Tanaka K
Аннотация
OBJECTIVE: The goal of this study was to identify risk factors in patients with node-positive stage IB, IIA, and IIB cervical carcinoma after radical hysterectomy with pelvic lymph node dissection and postoperative irradiation.
METHODS: Two hundred forty-two patients with FIGO stage IB, IIA, and IIB cervical carcinoma underwent radical hysterectomy with pelvic lymph node dissection; pathological analysis of the surgical specimen showed positive lymph nodes in 59 patients. These 59 patients were further treated with postoperative radiotherapy. Eighteen patients were in stage IB, 4 in stage IIA, and 37 in stage IIB. Histological tumor type, tumor size, lymph-vascular space invasion, parametrium infiltration, number of positive nodes, and involvement of common iliac nodes were assessed for correlation with cancer recurrence.
RESULTS: When all these variables were assessed in the Cox proportional regression analysis, parametrium infiltration (P = 0. 0199) and number of positive nodes (two or more nodes) (P = 0.0483) revealed the factor correlating significantly with disease-specific survival. Based on these two factors, node-positive patients could be divided into low-risk (n = 11), intermediate-risk (n = 29), and high-risk (n = 19) groups. The 5-year disease-specific survival for the low-risk group was 100% which was significantly better than the 39.1% for the high-risk group (P = 0.0012).
CONCLUSION: For patients in the high-risk group, it may be worthwhile to consider new strategies to improve survival.
METHODS: Two hundred forty-two patients with FIGO stage IB, IIA, and IIB cervical carcinoma underwent radical hysterectomy with pelvic lymph node dissection; pathological analysis of the surgical specimen showed positive lymph nodes in 59 patients. These 59 patients were further treated with postoperative radiotherapy. Eighteen patients were in stage IB, 4 in stage IIA, and 37 in stage IIB. Histological tumor type, tumor size, lymph-vascular space invasion, parametrium infiltration, number of positive nodes, and involvement of common iliac nodes were assessed for correlation with cancer recurrence.
RESULTS: When all these variables were assessed in the Cox proportional regression analysis, parametrium infiltration (P = 0. 0199) and number of positive nodes (two or more nodes) (P = 0.0483) revealed the factor correlating significantly with disease-specific survival. Based on these two factors, node-positive patients could be divided into low-risk (n = 11), intermediate-risk (n = 29), and high-risk (n = 19) groups. The 5-year disease-specific survival for the low-risk group was 100% which was significantly better than the 39.1% for the high-risk group (P = 0.0012).
CONCLUSION: For patients in the high-risk group, it may be worthwhile to consider new strategies to improve survival.