Division of Gynecologic Oncology, Department of Obstetricsand Gynecology, College of Medicine, Dankook University,Cheonan, Korea. pch10@dankook.ac.kr
Published online: December 31, 2003.
ABSTRACT
PURPOSE: Speculoscopy, or magnified chemiluminescent examination (MCE), is a new visual method for the detection of cervical neoplasia. It utilizes low magnification and a special "blue-white" chemiluminescent light. The purpose of this study was to evaluate the screening effectiveness of speculoscopy combined with the conventional Papanicolaou smear, as compared with the latter alone, through a clinical trial in Korea. MATERIALS AND METHODS: This prospective, randomized, university hospital-based clinical study was performed in the outpatient clinic of the Department of Obstetrics and Gynecology at Dankook University Medical Center from December 1, 2001 to June 30, 2002. Of the 113 patients aged 19~74 years who had undergone both conventional Papanicolaou cervical cytologic test and speculoscopy, 38 cases underwent histologic diagnoses by colposcopy- directed biopsy. RESULTS: Of the 113 patients, there were 87 (77.0%) spe-culoscopy diagnoses of negative, 9 (8.0%) of suspicious, and 17 (15.0%) of positive. Of the 38 histologic diagnoses, there were 19 (50.0%) diagnoses of negative, 7 (18.4%) of LSIL, 1 (2.6%) of HSIL, 10 (26.3%) of SCC, and 1 (2.6%) of ACC. Pap smear showed sensitivity of 77.8% and specificity of 81.3%, whereas speculoscopy showed 94.1% and 100.0%, respectively, and Pap smear combined with speculoscopy showed 100.0% and 81.3%, respectively.
CONCLUSION: Speculoscopy showed a higher sensitivity rate than Pap smear as a screening test, although the sample size was small. Speculoscopy combined with Pap smear is thought to be a very effective method for detecting cervical neoplasia.
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