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Endocervical curettage in evaluating abnormal cervical cytology
C W Moniak1, S Kutzner, E Adam
1Department of Obstetrics and Gynecology, Baylor College of Medicine, Houston, Texas 77030, USA.
The Journal of Reproductive Medicine
|May 11, 2000
Summary
Endocervical curettage (ECC) aids in detecting cervical disease missed by colposcopy but is less reliable than Pap smears for monitoring post-treatment residual disease. It primarily identifies ectocervical, not true endocervical, abnormalities.
Area of Science:
- Gynecology
- Oncology
- Pathology
Background:
- Abnormal cervical cytology necessitates thorough evaluation.
- Cervical intraepithelial neoplasia (CIN) requires effective management and surveillance.
Purpose of the Study:
- To evaluate the role of endocervical curettage (ECC) in diagnosing cervical abnormalities.
- To assess ECC's utility in monitoring patients after treatment for CIN.
Main Methods:
- Retrospective chart review of 2,126 patients with abnormal cervical smears.
- Patients underwent colposcopy, biopsy, ECC, and treatment (cryotherapy, laser, or LEEP).
- Follow-up included scheduled Pap smears and annual ECC.
Main Results:
- ECC was abnormal in 13% of cases overall, with higher rates in unsatisfactory colposcopy (33%) and negative biopsies (21%).
- ECC showed high positive predictive value for ectocervical disease (86%) and high negative predictive value for endocervical disease (90%).
- Post-treatment, ECC was not significantly more reliable than Pap smears for detecting residual disease.
Conclusions:
- Endocervical curettage can detect disease missed by colposcopy and biopsy, particularly ectocervical lesions.
- ECC's role in detecting true endocervical disease is limited.
- Pap smears appear as reliable as ECC for post-treatment surveillance of residual cervical disease.