Success Rate of cold coagulation for the treatment of cervical intraepithelial neoplasia: A retrospective analysis of a series of cases

William Parry-Smith*, Martyn Underwood, Sabrina De Bellis-Ayres, Laura Bangs, Charles W.E. Redman, Jane Panikkar

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    19 Citations (Scopus)

    Abstract

    OBJECTIVE: To establish the cure rate at 1 year of patients who have undergone cold coagulation for the treatment of cervical intraepithelial neoplasia (CIN).

    DESIGN: Retrospective review of data for all patients at Shrewsbury and Telford NHS Trust who had undergone cold coagulation as part of their treatment for CIN between 2001 and 2011. Follow-up data up to December 2012 were analyzed.

    SETTING: Colposcopy Department, Shrewsbury and Telford NHS Trust, United Kingdom.

    POPULATION: Women undergoing cold coagulation for the treatment of CIN between 2001 and 2011, with cytologic follow-up until December 2012.

    METHODS: Patients were identified using a local colposcopy database. Data were obtained via the local histopathology reporting systems. Statistical analyses were performed using Stata/IC 10.1 software.

    MAIN OUTCOME MEASURES: Posttreatment cytology and whether subsequent treatment was required, with histology results.

    RESULTS: Data on 557 patients were collected and analyzed. Pre-cold coagulation treatment histologic findings were CIN 1 in 156 patients (28.01%), CIN 2 in 260 patients (46.68%), and CIN 3 in 141 patients (25.31%). The median length of time between cold coagulation treatment and first follow-up smear, used to calculate cure rates at around 1 year, was 406 days (interquartile range 123 days, range 169-3,116 days). The cure rate after cold coagulation was 95.7% at around 1 year.

    CONCLUSIONS: Cold coagulation has a cure rate comparable to that of excisional treatments such as large loop excision of the transformation zone and should be considered more widely in patients undergoing primary treatment for CIN, where there is no suspicion of invasive disease on history, examination and cytologic results.

    Original languageEnglish
    Pages (from-to)17-21
    Number of pages5
    JournalJournal of Lower Genital Tract Disease
    Volume19
    Issue number1
    DOIs
    Publication statusPublished - 13 Jan 2015

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