Sexually Transmitted Diseases

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Sexually Transmitted Diseases:
Original Article

Accuracy of Cervical/Vaginal Cytology in the Diagnosis of Bacterial Vaginosis

GIACOMINI, GIUSEPPE MD*; CALCINAI, ALESSANDRA MD*; MORETTI, DANIELA CT (IAC)*; CRISTOFANI, RENZA BD

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Abstract

Background and Objectives:: The cytological pattern of bacterial vaginosis (BV) in the Papanicolaou smear has a controversial history (coccoid vs. Gardnerella type) that has not allowed an efficient use of cervical/vaginal cytology in the diagnosis of this condition. Our study is an attempt to clarify this topic.

Goals:: To evaluate the accuracy of cervical/vaginal cytology in the diagnosis of BV.

Study Design:: 1,896 separate examinations were performed on 1,471 women attending our sexually transmitted diseases center between 1990 and 1993. Amsel's composite clinical criteria were used as a gold standard. The Pap smear was prepared on two slides with the addition of a vaginal specimen.

Results:: In the 166 cases of BV, sensitivity is 88.7%, and specificity is 98.8%. Positive predictive value is 89.8, and negative predictive value is 98.7. Kendall's correlation coefficient is 0.88 (p < 0.001).

Conclusions:: Our findings support the validity of the vaginal Pap smear in diagnosing BV and suggest the screening of such a disease.

© Copyright 1998 American Sexually Transmitted Diseases Association

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