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Acta Cytol. 2008 Nov-Dec;52(6):654-8.

Effects of gel lubricant on cervical cytology.

Author information

1
Department of Obstetrics and Gynecology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand. kicharoe@mail.med.cmu.ac.th

Abstract

OBJECTIVE:

To determine whether the use of lubricating gel during vaginal speculum examination affected cytologic interpretation in the conventional Pap smear.

STUDY DESIGN:

Two consecutive cervical smears were obtained from 1334 patients undergoing Pap smear screening. The first smear (uncontaminated) was obtained using the routine collection technique. The second smear (gel-contaminated) was taken after applying a 1- to 1.5-cm ribbon of lubricating gel onto the external cervical os. Adequacy of Pap smear and discordance in diagnosis between the paired smears were examined.

RESULTS:

The proportion of unsatisfactory smears was significantly higher in the gel-contaminated smears, 12.1% vs. 1.7% (p < 0.01). This difference was consistent across all reproductive groups. For patients who had smears satisfactory for cytologic evaluation, the discordance in cytologic diagnosis between the gel-contaminated and uncontaminated smears from the same patient was 0.3%.

CONCLUSION:

Lubricating gel contamination of the cervix can adversely affect adequacy and cytologic diagnosis in the conventional Pap smear.

PMID:
19068667
DOI:
10.1159/000325617
[Indexed for MEDLINE]

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