Adjuvant therapy of early-stage uterine papillary serous carcinoma (UPSC) and clear cell carcinoma (CCC) is controversial. We conducted a prospective cohort study to evaluate outcomes of patients with early-stage UPSC or CCC who were followed without adjuvant therapy after complete surgical staging. From 2000 to 2006, we evaluated all consecutive patients with stage IA/IB UPSC or CCC who had surgical staging by a gynecological oncologist at the London Health Sciences Centre, Canada. Follow-up consisted of history and physical examination every 3 months for 2 years, then every 6 months for the next 3 years. Primary outcome measure was 2-year disease-free survival. There were 22 evaluable patients. Mean patient age was 63.4 years. Median number of pelvic and para-aortic lymph nodes resected was 15 (range 2–39) and 4 (range 0–12), respectively. Thirteen had UPSC, seven had CCC, and two had both UPSC and CCC. Nine had stage IA and 13 had stage IB disease. Median follow-up was 25 months (range 6–72). Only one patient has recurred (stage IB UPSC, isolated vault recurrence 10 months after surgery), but she is well 9 months after receiving pelvic radiotherapy and vault brachytherapy. Two-year disease-free survival was 95%. These results suggest that adjuvant therapy may not be necessary for stage IA and IB UPSC and CCC after surgical staging. Further prospective evaluation of different adjuvant therapy practices is required for early-stage UPSC and CCC, which may be useful in the design of future clinical trials.
- clear cell carcinoma
- stage I
- surgical staging
- uterine papillary serous carcinoma
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