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  • Title: High-Grade Cervical Dysplasia After Negative Loop Electrosurgical Excision Procedure.
    Author: Kuroki LM, James-Nywening L, Wu N, Liu J, Powell MA, Thaker PH, Massad LS.
    Journal: J Low Genit Tract Dis; 2016 Oct; 20(4):300-6. PubMed ID: 27575575.
    Abstract:
    OBJECTIVES: To describe the prevalence and correlates of high-grade cervical intraepithelial neoplasia (CIN2+) after a negative loop electrosurgical excision procedure (LEEP), performed for high-grade squamous intraepithelial lesion (HSIL) cervical cytology. METHODS: One hundred six women from our university-based colposcopy clinic underwent LEEP between 2007 and 2014. Negative LEEP was defined as CIN1 or less. Persistence/recurrence estimates were calculated by treatment (see-and-treat vs 3-step conventional strategy-cervical cytology, colposcopic biopsy, LEEP) and LEEP results (negative vs positive) using the Kaplan-Meier method. Predictors of CIN2+ after a negative LEEP were examined by multivariate Cox proportional hazards model. RESULTS: Overall, the prevalence of CIN2+ after a negative LEEP for HSIL was 14%. Persistence/recurrence of CIN2+ was similar between women with a negative and positive see-and-treat LEEP (25% vs 15%) and those with a negative or positive 3-step conventional LEEP (7% vs 22%) (log-rank, P = 0.58). Positive LEEP margin was more common among women with a positive LEEP (53.7% see-and-treat vs 42.6% conventional) compared with a negative result (0% see-and-treat vs 3.7% conventional, P < 0.0001). The risk of CIN2+ after a negative LEEP did not differ by management strategy (log-rank, P = 0.85) or LEEP result (log-rank, P = 0.58). In multivariate analysis, correlates of persistent/recurrent CIN2+ included older age (adjusted odds ratio [aOR], 1.09; P = 0.0003), history of previous LEEP (aOR, 8.99; P < 0.0001), and positive LEEP margin (aOR, 13.56; P = 0.0005). CONCLUSIONS: A negative LEEP does not allow less stringent surveillance, as CIN2+ risk is similar to that after CIN2+ is found in the LEEP specimen, whether the specimen was obtained by see-and-treat or conventional 3-step approach.
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