title: Class II radical hysterectomy in low-risk IB squamous cell carcinoma of cervix: a safe and effective option.
abstract: The aim of this study was to determine the outcome of class II radical hysterectomy for the treatment of a subset of patients with early cervical cancer.
  
  
  METHODS
  From September 1995 to September 2003, a total of 480 patients whose conditions were diagnosed with squamous carcinoma of the cervix with a tumor size of no greater than 2 cm and a pathological grade 1 to 2 was enrolled in a cohort study to compare class II and class III radical hysterectomy, with 240 patients in each group. Disease-free survival, overall survival, pattern of recurrences, and morbidity were the end points of observation for this study.
  
  
  RESULTS
  The class II surgery group had 100.0% overall and 98.33% disease-free actuarial 5-year survival rate, whereas the class III surgery group had 100.0% overall and 97.92% disease-free actuarial 5-year survival rate (P = 0.736). Recurrence rate (2.92% in class II vs 2.50% in class III) was not significantly different in the 2 groups (P = 0.779). The operating time, postoperative length of hospital stay, and estimated blood loss at surgery were significantly lower in the group of patients who underwent class II hysterectomy (P = 0.0001, P = 0.0001, and P = 0.001, respectively). The postoperative complications were also significantly lower in patients who received class II hysterectomy.
  
  
  CONCLUSIONS
  In treating a subset of patients with tumor size no greater than 2 cm and grade 1 to 2 squamous cell cancer, class II and class III radical hysterectomy are equally effective, but the former has far less complications than the latter.
authors.affiliation: Department of Gynecological Oncology, Zhongnan Hospital of Wuhan University, Hubei Key Laboratory of Tumor Biological Behaviors and Hubei Cancer Clinical Study Center, Wuhan, PR China. chb2105@163.com
authors.forename: Hong-Bing
authors.initials: HB
authors.lastname: Cai
authors.forename: Hui-Zhen
authors.initials: HZ
authors.lastname: Chen
authors.forename: Yun-Feng
authors.initials: YF
authors.lastname: Zhou
authors.forename: Dao-Mei
authors.initials: DM
authors.lastname: Lie
authors.forename: Han-Yin
authors.initials: HY
authors.lastname: Hou
mesh_terms: D000328:Adult; D002294:Carcinoma, Squamous Cell / Q000601:surgery*; D005260:Female; D006801:Humans; D007044:Hysterectomy / Q000379:methods*; D016019:Survival Analysis; D016896:Treatment Outcome; D002583:Uterine Cervical Neoplasms / Q000601:surgery*