BMC women's health · 2023
Lymphadenectomy and optimal excise lymph nodes count for early-stage primary fallopian tube cancer: a SEER-based study.
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Liu Yuexi, Huang Fanfan, Gu Qiuying, Wang Jinlong, Wang Qingmiao, Wu Yuyang, Li Lijuan, Xiao Yao
Аннотация
BACKGROUNDS: There is still no consensus on the significance of Lymphadenectomy (LD) and the number of lymph nodes that need to be excised (ELNs) for adequate LD in patients with early-stage primary fallopian tube cancer (PFTC). Our endeavor is geared towards deepening comprehension of LD in early-stage PFTC and identify the optimal cut-off of ELNs.
METHODS: This SEER-based study analyzed the clinical data of patients with early-stage PFTC between 2000 and 2018. X-tile was employed to confirm the optimal cut-off of ELNs. The survival data between groups were analyzed by the Kaplan-Meier estimates, Log-rank test and Cox proportional hazards model.
RESULTS: There was significant improvement in both mean cancer-specific survival (CSS, p < 0.001) and overall survival (OS, p < 0.001) in LD group. Regardless of matched or not, LD was identified as an independent protective factor of CSS and OS. The optimal 3-year CSS-based cutoff of ELNs was 11 (p = 0.026) as determined by X-tile. Both the mean CSS (p = 0.001) and mean OS (p = 0.002) in adequate LD group (ELNs > 11, n = 574) were significantly longer than these in inadequate LD group (ELNs ≤ 11, n = 738). Adequate LD, FIGO stage, tumor grade and histology were significant prognostic factors for CSS and OS.
CONCLUSION: LD is an independent protective prognostic factor of patients with early-stage PFTC. The association between ELNs > 11 and an improved prognosis is evident. Future studies are needed to further clarify the results above.
METHODS: This SEER-based study analyzed the clinical data of patients with early-stage PFTC between 2000 and 2018. X-tile was employed to confirm the optimal cut-off of ELNs. The survival data between groups were analyzed by the Kaplan-Meier estimates, Log-rank test and Cox proportional hazards model.
RESULTS: There was significant improvement in both mean cancer-specific survival (CSS, p < 0.001) and overall survival (OS, p < 0.001) in LD group. Regardless of matched or not, LD was identified as an independent protective factor of CSS and OS. The optimal 3-year CSS-based cutoff of ELNs was 11 (p = 0.026) as determined by X-tile. Both the mean CSS (p = 0.001) and mean OS (p = 0.002) in adequate LD group (ELNs > 11, n = 574) were significantly longer than these in inadequate LD group (ELNs ≤ 11, n = 738). Adequate LD, FIGO stage, tumor grade and histology were significant prognostic factors for CSS and OS.
CONCLUSION: LD is an independent protective prognostic factor of patients with early-stage PFTC. The association between ELNs > 11 and an improved prognosis is evident. Future studies are needed to further clarify the results above.