Para-aortic lymph node recurrence after curative radiotherapy for cervical cancer
Cho, WK; Kim, YI; Park, W; Yang, K; Kim, H; Cha, H
International journal of gynecological cancer : official journal of the International Gynecological Cancer Society, 29(7). : 1116-1120, 2019
International journal of gynecological cancer : official journal of the International Gynecological Cancer Society
OBJECTIVE: The para-aortic lymph nodes are one of the most common sites in recurrent cervical cancer. However, treatment strategies for para-aortic lymph node recurrence have not yet been established.This study aimed to evaluate the prognostic factors and treatment outcomes in patients with para-aortic lymph node recurrence after curative radiotherapy for cervical cancer.
METHODS: We retrospectively reviewed patients who developed para-aortic lymph node recurrence following curative radiation therapy for cervical cancer from January 2001 and December 2014 at the Samsung Medical Center. Prognostic factors for overall survival after recurrence were analyzed by univariate and multivariate analyses.
RESULTS: A total of 67 patients were included in the analysis. After a median follow-up of 24.0 months (range 4-155), the 3-year overall survival rate was 42.7%. 32 patients had isolated para-aortic lymph node recurrence (group 1), 21 patients had para-aortic lymph node recurrence combined with other lymph node recurrence (group 2), and 14 patients developed para-aortic lymph node recurrence with distant organ metastasis (group 3). The 3-year overall survival rates in groups 1, 2, and 3 were 60.8%, 42.1%, and 7.7%, respectively (p<0.001). In multivariate analysis, histologic type of squamous cell carcinoma (p=0.028), non-symptomatic recurrence (p=0.024), isolated para-aortic lymph node recurrence (p=0.008), and disease-free interval (p=0.008) were significant factors for survival. Among the patients with isolated para-aortic lymph node recurrence, survival rates differed significantly according to disease-free interval: the 3-year overall survival in patients with disease-free interval >/=12 months and disease-free interval <12 months was 69.6% and 37.5%, respectively (p<0.001).
CONCLUSIONS: In patients with para-aortic lymph node recurrence from cervical cancer, histologic type, presence of symptoms, extent of disease, and disease-free interval were the prognostic factors for survival. Patients with isolated para-aortic lymph node recurrence with disease-free interval >/=12 months had higher survival outcomes at 3 years.
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