Accuracy of Colposcopically Directed Biopsy: Results from an Online Quality Assurance Programme for Colposcopy in a Population-Based Cervical Screening Setting in Italy

Purpose. To report the accuracy of colposcopically directed biopsy in an internet-based colposcopy quality assurance programme in northern Italy. Methods. A web application was made accessible on the website of the regional Administration. Fifty-nine colposcopists out of the registered 65 logged in,...

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Veröffentlicht in:BioMed research international 2015-01, Vol.2015 (2015), p.1-6
Hauptverfasser: Bucchi, Lauro, Sassoli de Bianchi, Priscilla, Schincaglia, Patrizia, Cristiani, Paolo, Costa, Silvano, Garutti, Paola, Sideri, Mario, Naldoni, Carlo
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container_issue 2015
container_start_page 1
container_title BioMed research international
container_volume 2015
creator Bucchi, Lauro
Sassoli de Bianchi, Priscilla
Schincaglia, Patrizia
Cristiani, Paolo
Costa, Silvano
Garutti, Paola
Sideri, Mario
Naldoni, Carlo
description Purpose. To report the accuracy of colposcopically directed biopsy in an internet-based colposcopy quality assurance programme in northern Italy. Methods. A web application was made accessible on the website of the regional Administration. Fifty-nine colposcopists out of the registered 65 logged in, viewed a posted set of 50 digital colpophotographs, classified them for colposcopic impression and need for biopsy, and indicated the most appropriate site for biopsy with a left-button mouse click on the image. Results. Total biopsy failure rate, comprising both nonbiopsy and incorrect selection of biopsy site, was 0.20 in CIN1, 0.11 in CIN2, 0.09 in CIN3, and 0.02 in carcinoma. Errors in the selection of biopsy site were stable between 0.08 and 0.09 in the three grades of CIN while decreasing to 0.01 in carcinoma. In multivariate analysis, the risk of incorrect selection of biopsy site was 1.97 for CIN2, 2.52 for CIN3, and 0.29 for carcinoma versus CIN1. Conclusions. Although total biopsy failure rate decreased regularly with increasing severity of histological diagnosis, the rate of incorrect selection of biopsy site was stable up to CIN3. In multivariate analysis, CIN2 and CIN3 had an independently increased risk of incorrect selection of biopsy site.
doi_str_mv 10.1155/2015/614035
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To report the accuracy of colposcopically directed biopsy in an internet-based colposcopy quality assurance programme in northern Italy. Methods. A web application was made accessible on the website of the regional Administration. Fifty-nine colposcopists out of the registered 65 logged in, viewed a posted set of 50 digital colpophotographs, classified them for colposcopic impression and need for biopsy, and indicated the most appropriate site for biopsy with a left-button mouse click on the image. Results. Total biopsy failure rate, comprising both nonbiopsy and incorrect selection of biopsy site, was 0.20 in CIN1, 0.11 in CIN2, 0.09 in CIN3, and 0.02 in carcinoma. Errors in the selection of biopsy site were stable between 0.08 and 0.09 in the three grades of CIN while decreasing to 0.01 in carcinoma. In multivariate analysis, the risk of incorrect selection of biopsy site was 1.97 for CIN2, 2.52 for CIN3, and 0.29 for carcinoma versus CIN1. Conclusions. Although total biopsy failure rate decreased regularly with increasing severity of histological diagnosis, the rate of incorrect selection of biopsy site was stable up to CIN3. In multivariate analysis, CIN2 and CIN3 had an independently increased risk of incorrect selection of biopsy site.</description><identifier>ISSN: 2314-6133</identifier><identifier>EISSN: 2314-6141</identifier><identifier>DOI: 10.1155/2015/614035</identifier><identifier>PMID: 26180805</identifier><language>eng</language><publisher>Cairo, Egypt: Hindawi Publishing Corporation</publisher><subject>Accessibility ; Accuracy ; Adult ; Animals ; Applications programs ; Biopsy ; Cancer ; Cervical cancer ; Colposcopy - methods ; Committees ; Diagnosis ; Failure rates ; Female ; Gynecology ; Health promotion ; Humans ; Image Processing, Computer-Assisted ; Internet ; Italy - epidemiology ; Medical screening ; Methods ; Mice ; Middle Aged ; Multivariate analysis ; Obstetrics ; Pap smear ; Quality assurance ; Quality Assurance, Health Care ; Quality control ; Risk analysis ; Risk Factors ; Screening ; Uterine Cervical Neoplasms - epidemiology ; Uterine Cervical Neoplasms - pathology ; Womens health</subject><ispartof>BioMed research international, 2015-01, Vol.2015 (2015), p.1-6</ispartof><rights>Copyright © 2015 Mario Sideri et al.</rights><rights>COPYRIGHT 2015 John Wiley &amp; Sons, Inc.</rights><rights>Copyright © 2015 Mario Sideri et al. 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To report the accuracy of colposcopically directed biopsy in an internet-based colposcopy quality assurance programme in northern Italy. Methods. A web application was made accessible on the website of the regional Administration. Fifty-nine colposcopists out of the registered 65 logged in, viewed a posted set of 50 digital colpophotographs, classified them for colposcopic impression and need for biopsy, and indicated the most appropriate site for biopsy with a left-button mouse click on the image. Results. Total biopsy failure rate, comprising both nonbiopsy and incorrect selection of biopsy site, was 0.20 in CIN1, 0.11 in CIN2, 0.09 in CIN3, and 0.02 in carcinoma. Errors in the selection of biopsy site were stable between 0.08 and 0.09 in the three grades of CIN while decreasing to 0.01 in carcinoma. In multivariate analysis, the risk of incorrect selection of biopsy site was 1.97 for CIN2, 2.52 for CIN3, and 0.29 for carcinoma versus CIN1. Conclusions. 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To report the accuracy of colposcopically directed biopsy in an internet-based colposcopy quality assurance programme in northern Italy. Methods. A web application was made accessible on the website of the regional Administration. Fifty-nine colposcopists out of the registered 65 logged in, viewed a posted set of 50 digital colpophotographs, classified them for colposcopic impression and need for biopsy, and indicated the most appropriate site for biopsy with a left-button mouse click on the image. Results. Total biopsy failure rate, comprising both nonbiopsy and incorrect selection of biopsy site, was 0.20 in CIN1, 0.11 in CIN2, 0.09 in CIN3, and 0.02 in carcinoma. Errors in the selection of biopsy site were stable between 0.08 and 0.09 in the three grades of CIN while decreasing to 0.01 in carcinoma. In multivariate analysis, the risk of incorrect selection of biopsy site was 1.97 for CIN2, 2.52 for CIN3, and 0.29 for carcinoma versus CIN1. Conclusions. Although total biopsy failure rate decreased regularly with increasing severity of histological diagnosis, the rate of incorrect selection of biopsy site was stable up to CIN3. In multivariate analysis, CIN2 and CIN3 had an independently increased risk of incorrect selection of biopsy site.</abstract><cop>Cairo, Egypt</cop><pub>Hindawi Publishing Corporation</pub><pmid>26180805</pmid><doi>10.1155/2015/614035</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0002-6771-8119</orcidid><orcidid>https://orcid.org/0000-0001-9025-5098</orcidid><oa>free_for_read</oa></addata></record>
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subjects Accessibility
Accuracy
Adult
Animals
Applications programs
Biopsy
Cancer
Cervical cancer
Colposcopy - methods
Committees
Diagnosis
Failure rates
Female
Gynecology
Health promotion
Humans
Image Processing, Computer-Assisted
Internet
Italy - epidemiology
Medical screening
Methods
Mice
Middle Aged
Multivariate analysis
Obstetrics
Pap smear
Quality assurance
Quality Assurance, Health Care
Quality control
Risk analysis
Risk Factors
Screening
Uterine Cervical Neoplasms - epidemiology
Uterine Cervical Neoplasms - pathology
Womens health
title Accuracy of Colposcopically Directed Biopsy: Results from an Online Quality Assurance Programme for Colposcopy in a Population-Based Cervical Screening Setting in Italy
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