Journal of Capital Medical University ›› 2021, Vol. 42 ›› Issue (6): 1026-1032.doi: 10.3969/j.issn.1006-7795.2021.06.020

• Clinical Research • Previous Articles     Next Articles

Rationality verification and evaluate of the 2018 International Federation of Gynecology and Obstetrics staging system for stage ⅠB cervical cancer

Liu Yang, Wu Yumei*, He Yue, Fan Bei, Wang Yan, Zhao Hui, Wang Ming   

  1. Department of Gynecological Oncology, Beijing Obstetrics and Gynecology Hospital,Capital Medical University Beijing Maternal and Child Health Care Hospital, Beijing 100006, China
  • Received:2021-09-18 Online:2021-12-21 Published:2021-12-17
  • Contact: * E-mail: wym597118@ccmu.edu.cn
  • Supported by:
    Beijing Municipal Science & Technology Commission(Z191100006619035), Beijing Hospitals Authority Clinical Medicine Development of Special Funding (ZYLX201705).

Abstract: Objective The paper aimed to verify and evaluate the stage ⅠB of the revised 2018 International Federation of Gynecology and Obstetrics (FIGO) cervical cancer staging schema from the aspects of clinical characteristics and prognosis, etc. Methods This is a retrospective observational study examining 427 patients from January 1, 2010 to December 31, 2014 with cervical cancer of stage ⅠB1-ⅠB3 classified using the 2018 FIGO staging schema. The clinical characteristic including age, tumor characteristics (Including pathological type, histological grade, deep stromal invasion and infiltration of lymphatic vascular space), treatment (postoperative adjuvant radiotherapy and chemotherapy) and 5-year survival rate were estimated for each group by statistical methods such as group comparison and multi factor analysis. Results Stage ⅠB1 tumors were more likely to be squamous cell and well-moderate grade, whereas the adenocarcinoma, adenosquamous cell and poorly grade were more common in stage ⅠB2-ⅠB3 neoplasms (both P<0.001). The rates of deep stromal invasion and lymph-vascular space invasion (LVSI) in stage ⅠB2 and ⅠB3 tumors were significantly higher than stage ⅠB1 (P<0.001, P<0.05). The probability of postoperative radiotherapy and chemotherapy in stage ⅠB2 and ⅠB3 cohorts were significantly higher than that with stage ⅠB1 (P<0.001).The 5-year overall survival rate in stage ⅠB1, ⅠB2 and ⅠB3 diseases significantly different and decreased in turn, which were 97.9%, 93.4% and 81.5% respectively.The survival curve showed that the curves of each group were well separated, and the difference was statistically significant (P<0.001). Conclusion The FIGO 2018 staging schema revised the new system to ⅠB1(≤2 cm),ⅠB2(>2 cm~≤4 cm)and ⅠB3(>4 cm), with invasive carcinoma 2 cm in greatest dimension is regarded as a cut off value,which provides better stratification of the disease and prognostic evaluation for patients of stage ⅠB, and has a good clinical guiding significance.

Key words: cervical cancer, International Federation of Gynecology and Obstetrics (FIGO), staging system, prognosis

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