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Updated: Feb 19, 2026
Laparoscopic Extracorporeal Knot-Tying for Uterine Vessel Occlusion during Hysterectomy with Cervical Cerclage in Large Uteri
Published on: September 12, 2025
Surgery for cervical intraepithelial neoplasia
Pierre P L Martin-Hirsch1, Evangelos Paraskevaidis, Andrew Bryant
1Gynaecological Oncology Unit, Royal Preston Hospital, Lancashire Teaching Hospital NHS Trust, Sharoe Green Lane, Fullwood, Preston, Lancashire, UK, PR2 9HT.
No single surgical technique for cervical intraepithelial neoplasia (CIN) is clearly superior for treatment success or operative safety. Large loop excision of the transformation zone (LLETZ) offers reliable specimens and lower morbidity compared to some alternatives.
Area of Science:
- Gynecologic Oncology
- Pre-malignant Lesions
- Cervical Cancer Screening
Background:
- Cervical intraepithelial neoplasia (CIN) is the most common pre-malignant cervical lesion, characterized by atypical squamous cell changes.
- CIN is graded (CIN 1, 2, or 3) based on the depth of cellular abnormality in the cervical transformation zone.
- Treatment decisions for CIN depend on disease grade and extent, utilizing local ablation or excision techniques.
Purpose of the Study:
- To evaluate the effectiveness and safety of various alternative surgical treatments for cervical intraepithelial neoplasia.
- To compare outcomes of different surgical modalities for CIN management.
Main Methods:
- Systematic review and meta-analysis of randomized controlled trials (RCTs) comparing surgical treatments for CIN.
- Searched major databases including Cochrane, MEDLINE, and EMBASE up to November 2012.
- Data abstraction and risk of bias assessment by two independent reviewers; pooled risk ratios for residual disease and adverse events.
Main Results:
- Twenty-nine RCTs involving seven surgical techniques were analyzed.
- No statistically significant differences in treatment failure rates (persistent disease) were observed across techniques.
- Large loop excision of the transformation zone (LLETZ) yielded the most reliable histological specimens with generally lower morbidity compared to laser conisation.
Conclusions:
- Current evidence indicates no single surgical treatment for CIN is definitively superior regarding treatment efficacy or operative morbidity.
- LLETZ appears to be a favorable option due to specimen quality and reduced complications.
- Further data is needed to fully compare morbidity across all evaluated treatments, particularly against laser ablation.
