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We tested 97 middle-aged gynecologic outpatients and inpatients with normal cervix, cervical mass or cervical ectopia for isolation of Chlamydia trachomatis using the enzyme-immunoassay method. With the classification of symptom, 4% of asymptomatic patients and 24% of symptomatic patients were chlamydial positive result and not significantly patients with vulva itch or postcoital bleeding had relatively high prevalence rate among the symptomatic patients. According to the endocervical content or ectocervical appearance, the difference of prevalence rate were a little, but according to ectocervical appearance under the pathologic endocervical content, the patients with mass or ectopy on ectocervix had considerably high prevalence rate. When 70% of the patients were compared with the results of papanicolaou smear, between the patients with class U, V and with class I. II III, no significant difference was found. The results of this study indicate that it seemed to be desirable to isolate the C. trachomatis under the findings of ectopy or mass on the ectocervix with mucopurulent, purulent or bloody content of endocervix. The prevalence rate was turned out to be considerably high. Since the results were obtained using the sample of middle aged women, it is expected that the rate would higher in younger women, sexually active. At any rate, further studies using larger sized samples are desired.
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