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Indications for cone biopsy: pathologic correlation

M Spitzer1, A E Chernys, A Shifrin

  • 1Department of Obstetrics and Gynecology, Queens Hospital Center, Mount Sinai School of Medicine, Jamaica, NY, USA.

American Journal of Obstetrics and Gynecology
|February 18, 1998
PubMed
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Cone biopsy indications predict disease presence, with high-grade preoperative findings strongly indicating high-grade disease in the cone specimen. Age is not a reliable predictor.

Area of Science:

  • Gynecologic Oncology
  • Cervical Pathology
  • Surgical Decision Making

Background:

  • Cone biopsy (conization) is a procedure to remove abnormal cervical tissue.
  • Accurate prediction of disease in the cone specimen is crucial for effective treatment.
  • Understanding the utility of different indications for cone biopsy is essential.

Purpose of the Study:

  • To evaluate how well various indications for cone biopsy predict disease presence in the removed specimen.
  • To assess the effectiveness of conization for managing low-grade cervical disease.

Main Methods:

  • Retrospective review of 604 cone biopsy records from 1984-1995.
  • Data collected included cytology, colposcopy, biopsy, and endocervical curettage results.
  • Indications for cone biopsy were categorized (e.g., biopsy-proved disease, diagnostic discrepancy, positive curettage, unvisualized transformation zone).

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Main Results:

  • High rates of disease detection in cone specimens across different indications (80.6%-95.6%).
  • Preoperative high-grade disease (cervical intraepithelial neoplasia grades 2/3) significantly predicted high-grade disease in the cone specimen (74.7%).
  • Preoperative low-grade disease (condyloma, cervical intraepithelial neoplasia grade 1) was less predictive of high-grade disease (21.0%).
  • Patient age did not reliably predict disease presence in the cone specimen.

Conclusions:

  • Cone biopsy indications are generally effective in predicting disease presence in the specimen.
  • High-grade preoperative findings are strong predictors of high-grade dysplasia or cancer on conization.
  • Age and preoperative low-grade disease are not reliable indicators for predicting high-grade disease in the cone specimen.