Follow-up for women after treatment for cervical cancer: A systematic review
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OBJECTIVE: To determine the optimal recommended program for the follow-up of patients who are disease free after completed primary therapy for cervical cancer. METHODS: Systematic search of MEDLINE, EMBASE and the Cochrane Library databases (1980-November 2007). RESULTS: Seventeen retrospective trials were identified. Most studies reported similar intervals for follow-up and ranged from a low of 9 visits to a high of 28 visits over 5 years. Follow-up visits typically occurred once every 3-4 months for the first 2 years, every 6 months for the next 3 years and then annually until year 10. All 17 trials reported that a physical exam was performed at each visit. Vaginal vault cytology was analyzed in 13 trials. Other routine surveillance tests included chest x-ray, ultrasound, CT scans, MRI, intravenous pyelography and tumour markers. Median time to recurrence ranged from 7-36 months after primary treatment. Rates of recurrence ranged from 8-26% with 14-57% of patients recurring in the pelvis, and 15-61% of patients recurring at distant or multiple sites. Of the 8-26% of patients who experienced disease recurrence, the vast majority, 89-99%, had recurred by year 5. Upon recurrence, median survival was 7-17 months. Asymptomatic recurrent disease was detected using physical exam in 29-71%, chest x-ray in 20-47%, CT in 0-34% and vaginal vault cytology in 0-17% of patients, respectively. CONCLUSION: There is modest low quality evidence to inform the most appropriate follow-up strategy for patients with cervical cancer who are clinically disease free after receiving primary treatment. Follow-up visits should include a complete physical examination whereas, frequent vaginal vault cytology does not add significantly to the detection of early disease recurrence. Patients should return to annual population-based screening after 5 years of recurrence-free follow-up.
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