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Cervicography to triage women with borderline or mild dyskaryotic cervical PAP smears
T A Mould1, A Singer, M E Mansell
1Department of Gnaecology, Whittiington Hospital, London, UK.
Objective:
To evaluate six years experience using cervicography to triage women with borderline or mildly dyskaryotic PAP smears to either immediate colposcopy or cytological surveillance.
Method:
Retrospective study of 1,436 women referred to the cervicography clinic of the Whittington Hospital, London. Women with suspicious cervigrams were examined colposcopically and biopsied. Women with normal appearances at cervicography were followed-up with cytology over a period of a least two years.
Results:
Cervicography detected 281 out of 307 women with CIN 2/3 and 215 out of 264 women with CIN 1. The sensitivity of cervicography to detect CIN 1, 2 or 3 in women with minor PAP smear abnormalities was 92%. The specificity was 39% and 847 (59%) of the women were referred for colposcopy; 215 (15%) were lost to follow-up.
Conclusions:
Cervicography was a sensitive method to detect CIN in women with mild or borderline dyskaryosis on their PAP smears. However, the low specificity meant that a high proportion of the women were referred for colposcopy, and a significant proportion of women were lost to follow-up. Thus cervicography is not an efficient strategy for managing women with minor PAP smears abnormalities.