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Korean J Gynecol Oncol Colposc. 1999 Mar;10(1):13-23. Korean. Original Article.
Noh HT , Lee SS .

Cervicography is used commonly in cervical cancer screening with a Pap smear. Many reports shows that the combination of these two methods is more accurate and helpful in cervical cancer screening. OBJECTIVE: The purpose of this investigation was to evaluate the efficacy of conjoined methods in cervical cancer screening and to evaluate any difference between health care center and out-patient treatment. METHODS: Pap smear and cervicogram data were obtained for 699 patients who visited the Department of Obstetrics and Gynecology, Chungnam National University Hospital from January 1997 to December 1997. Of these patients, 551 patients visited the health care center and 148 were out-patients. We exmined all pertinent information, including biopsy results, for patients with detected abnormalities. A total of 62 patients received a biopsy. RESULTS: 1. Results for Papanicolaou smear were: sensitivity, 81.8%, specificity, 98.0%, positive predictive value, 83.7%, negative predictive value, 98.8%, false negative rate, 18.2%, and false positive rate, 2.0%. 2. Results for cervicography were: sensitivity, 86.4%, specificity, 97.8%, positive predictive value, 73.1%, negative predictive value, 99,1%, false negative rate, 13.6%, and false positive rate, 2.2%. 3. Results for the conjoined method were: sensitivity, 97.7%, specificity, 97.2%, positive predictive value, 70.5%, negative predictive value, 99.8%, false negative rate, 2,3%, and false positive rate, 2.8%. 4. When cervicography and Papanicolaou smear were used conjointly The sensitivity, specificity, negative predictive value, false negative rate, and false positive rate were statistically significant for Papanicolaou smear (P<0.05). 5. There was no statistical significance difference between cervicography and the conjoined method. 6. Compared with out-patients, Health care center patients showed increased diagnostic error and failure to follow-up. CONCLUSION: When cervicography and Papanicolaou smear were used conjointly, cervical cancer detection rates were increased.

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