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Korean Journal of Obstetrics & Gynecology 2000;43(6):1002-1007.
Published online January 1, 2001.
Cytologic Smear to Evaluate the Endocervical Canal after Cervical Conization.
Man Soo Yoon, Kyu Sup Lee, Ook Hwan Choi, Won Whe Kim
Abstract
OBJECTIVE
To evaluate the impact of the cytologic smear of the endocervical canal immediately after cervical conization on the rate of residual cervical lesions. METHOD: A retrospective review of 229 patients who underwent cervical conization for high grade cervical intraepithelial neoplasia or microinvasive cancer followed by hysterectomy. Endocervical Papanicolaou smear with a cytologic brush performed immediately after cervical conization in all 229 patients. RESULTS: Fifty-four of 229 patients undergoing cervical conization followed by hysterectomy had residual lesion in the hysterectomy specimen. The prevalence rate of residual lesion according to the margin status of conization specimen as well as the results of the postconization Papanicolaou smear of the endocervical canal was compared. Forty-one of 78 patients (52.6 %) with positive margins had residual lesion compared with thirteen of 151 patients (8.6 %) with negative margins. Twenty-six of 34 patients (76.5 %) with positive postcone cytology had residual lesion compared with twenty-eight of 195 patients (14.4 %) with negative postcone cytology. CONCLUSIONS: Postcone cytologic smear of the endocervical canal as well as margin status are useful in predicting residual lesion after conization.
Key Words: Endocervical cytologic smear, Conization, Uterine cervix


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