Telecytology:Diagnostic Accuracy in Cervical-Vaginal Smears

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Abstract
Although cervical-vaginal telecytology is a promising tool, diagnostic accuracy has not been extensively evaluated. The authors examined the accuracy of five cytotechnologists who retrospectively reviewed 50 cervical- vaginal smears using the video monitor, and 2 months later, using the light microscope. Accuracy was expressed in terms of crude agreement with the original diagnosis and number of false positives (FPs) and false negatives (FNs). With a greater than one step difference as discrepant, the group crude agreement using the video monitor and the light microscope was 85.6% and 95.6%, respectively. The group number of FNs and FPs for the light microscope was 8 and 7, respectively, and for the video monitor was 34 and 7, respectively. There was a wide range of individual performance. We conclude that accuracy of telecytology is high, but less than that of light microscopy. The major reason for lower telecytologic accuracy was undercalling dysplasia.

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