Acta cytologica · 2007
Evaluation of the FocalPoint GS system performance in an Italian population-based screening of cervical abnormalities.
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Passamonti Basilio, Bulletti Simonetta, Camilli Maria, D'Amico Maria Rosaria, Di Dato Eugenio, Gustinucci Daniela, Martinelli Nadia, Malaspina Morena, Spita Nicoletta
Аннотация
OBJECTIVE: To evaluate the FocalPoint Location-Guided Screening (FPGS) performance in computer-assisted primary screening of Papanicolaou-stained cervicovaginal smears.
STUDY DESIGN: A total of 37,306 routine consecutive conventional Pap slides were prospectively processed on the FPGS. Each slid designated by the instrument as Review was reported according to results obtained using a GS Review Station. Subsequently, all slides under went conventional manual rapid screening and reported results were compared.
RESULTS: Of the slides initially submitted to the FPGS, 34,004 (91.15%) were qualified for scanning. Within these slides, the system classified 7,399 (21.8%) as needing No Further Review and ranked to Review the remaining 26,605 (78.2%). Of the 418 cellular abnormalities found, 409 were classified for Review by FPGS and 9 minor grade lesions were classified in the "No Further Review" population. Overall, 352 (86%) of atypical squamous cell (ASC)+ were ranked in high-score quintiles, including 96 (94%) of the 102 high-grade squamous intraepithelial lesion (HSIL) or worse. Location-guided software identified cellular abnormalities, in the automatically selected fields of view, in 378 (92%) of the ranked abnormal slides, showing a sensitivity > 95% on SILs.
CONCLUSION: Slide ranking and location-guided screening features are of value in detecting and triaging abnormal smears.
STUDY DESIGN: A total of 37,306 routine consecutive conventional Pap slides were prospectively processed on the FPGS. Each slid designated by the instrument as Review was reported according to results obtained using a GS Review Station. Subsequently, all slides under went conventional manual rapid screening and reported results were compared.
RESULTS: Of the slides initially submitted to the FPGS, 34,004 (91.15%) were qualified for scanning. Within these slides, the system classified 7,399 (21.8%) as needing No Further Review and ranked to Review the remaining 26,605 (78.2%). Of the 418 cellular abnormalities found, 409 were classified for Review by FPGS and 9 minor grade lesions were classified in the "No Further Review" population. Overall, 352 (86%) of atypical squamous cell (ASC)+ were ranked in high-score quintiles, including 96 (94%) of the 102 high-grade squamous intraepithelial lesion (HSIL) or worse. Location-guided software identified cellular abnormalities, in the automatically selected fields of view, in 378 (92%) of the ranked abnormal slides, showing a sensitivity > 95% on SILs.
CONCLUSION: Slide ranking and location-guided screening features are of value in detecting and triaging abnormal smears.