• Dražan Butorac, Bernarda Škrtić, Marijo Čukelj, Krunoslav Kuna, and Ivka Djaković.
• 1Department of Obstetrics and Gynecology, Sestre milosrdnice University Hospital Centre, Zagreb, Croatia; 2Department of Obstetrics and Gynecology, Karlovac General Hospital, Karlovac, Croatia.
• Acta Clin Croat. 2019 Sep 1; 58 (3): 463-466.

AbstractThe 20-year experience with large loop excision of the transformation zone (LLETZ) at Gynecologic Oncology Unit, Department of Gynecology and Obstetrics, Sestre milosrdnice University Hospital Centre from Zagreb is presented. This retrospective observational study included 1407 women with cervical dysplasia treated by LLETZ technique during the 1995-2016 period. LLETZ was most commonly performed in the 25-35 age group (51%), followed by the 36-45 age group (22%), and least frequently in the >65 age group (2%). Histopathologic results lower than high-grade squamous intraepithelial lesion were found in 23% and high grade squamous intraepithelial lesion or worse findings in 77% of patients. Positive margin as a sign of possible residual dysplasia was found in 25% of cones, 80% of which included endocervical positive margin. Cervical canal biopsy result was positive in 18% of cases. Accurate colposcopy and its findings can help avoid overtreatment, the rate of which was higher than expected in our retrospective study. Long-term follow up is an imperative for proper assessment of the procedure success. This method is the best choice for complete disease removal without unnecessary overtreatment, but it requires continuous education and training of the whole team.

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