Excisions of severe cervical dysplasia: Are there mandatory diameters of the cone that need to be considered?
Journal Title: UNKNOWN - Year 2017, Vol 18, Issue 4
Abstract
Objective To achieve optimal depth for negative margin cones after loop electrosurgical excision procedures (LEEP) for cervical dysplasia. Materials and Methods Retrospective cohort analysis of LEEP cones of 201 patients with cervical dysplasia during a four-year period. Analysed cones were divided into two different groups: cones with negative margins without dysplasia, and cones with margins positive for dysplasia. In order to determine the cut-off value of the depth of the resected cones, receiver operating characteristic (ROC) analysis was performed. Results Negative margins were found in 71.0% (n=49) of all cones, whereas positive margins were reported in 29.0% (n=20). Negative margin cones were achieved in 100% with a cone depth of ≥20 mm. A resection depth between 10-19.9 mm led to 73.0% negative margin cones. Calculation of cone volume shows for 2.0 cm3, a sensitivity of 79% and a specificity of 64%. Statistical analysis using an ROC model showed p=0.002. Conclusion Forth greatest safety of patients, cone depths from LEEPs for cervical dysplasia should be ≥20 mm to achieve negative margins.
Authors and Affiliations
Daniel A. Beyer, Achim Rody, Natalie Schmidt, Christoph Cirkel, Kay Neumann
Keywords
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- EP ID EP380045
- DOI 10.4274/jtgga.2017.0036
- Views 57
- Downloads 0
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