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Negative cone biopsies. A reappraisal
Emmanuel Diakomanolis1, Dimitrios Haidopoulos, Ioannis Chatzipapas
1Colposcopy Unit 1st Department of Obstetrics and Gynecology, University of Athens, Pathology Department, Alexandra Hospital, Athens, Greece. gyninst@ath.forthnet.gr
The Journal of Reproductive Medicine
|September 16, 2003
Summary
A significant number of cervical conization procedures (25%) resulted in negative findings. Careful colposcopy and biopsy evaluation are crucial to reduce unnecessary negative cone biopsies in women.
Area of Science:
- Gynecology
- Surgical Pathology
Background:
- Cervical conization is a surgical procedure to remove abnormal cervical tissue.
- Negative cone biopsies, defined as specimens without significant pathology, represent a proportion of these procedures.
Purpose of the Study:
- To determine the incidence of negative cone biopsies.
- To evaluate factors influencing negative cone biopsy rates.
Main Methods:
- Retrospective analysis of 817 cervical conizations performed between 1996 and 2001.
- Categorization of cone biopsies based on histological findings, including human papillomavirus infection, intraepithelial neoplasia, and invasive disease.
- Comparison of negative cone rates based on pre-conization punch biopsy results.
Main Results:
- 206 out of 817 (25%) conizations yielded negative results.
- Only 41.7% of patients had a punch biopsy result consistent with the subsequent cone biopsy.
- The negative cone rate was significantly higher (60%) for punch biopsies showing cervical intraepithelial neoplasia (CIN) 1 compared to those showing CIN 2-3 (16.5%).
Conclusions:
- The rate of negative cone biopsies was substantial.
- Discrepancies between punch biopsy and cone biopsy findings were common.
- Adherence to guidelines, expert colposcopy, and accurate pathology review may reduce negative cone rates.