期刊
DIAGNOSTIC CYTOPATHOLOGY
卷 49, 期 4, 页码 559-574出版社
WILEY
DOI: 10.1002/dc.24708
关键词
automated cytology screening; cervical cancer; false‐ negatives; Pap test; quality control
资金
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico [06/2015 - 306396/2015-7, 06/2019 305895/2019-2, 472565/2011-7]
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior [88882.459660/2019-01]
- Fundacao de Amparo a Pesquisa do Estado de Minas Gerais [APQ-00802-11, APQ-02369-14, APQ-03740-17]
- Pro-Reitoria de Pesquisa, Pos-Graduacao e Inovacao universidade federal de ouro preto [23109.003209/2016-98, 23109.003515/2018-96, 23109.003517/2018-85]
The study evaluated the feasibility of implementing automatic methods in cervical cancer screening, and found that AMs have advantages in diagnostic performance and reducing false-negatives, as well as reducing sample rejection rates.
Background Cervical cancer progresses slowly, increasing the chance of early detection of pre-neoplastic lesions via Pap exam test and subsequently preventing deaths. However, the exam presents both false-negatives and false-positives results. Therefore, automatic methods (AMs) of reading the Pap test have been used to improve the quality control of the exam. We performed a literature review to evaluate the feasibility of implementing AMs in laboratories. Methods This work reviewed scientific publications regarding automated cytology from the last 15 years. The terms used were Papanicolaou test and Automated cytology screening in Portuguese, English, and Spanish, in the three scientific databases (SCIELO, PUBMED, MEDLINE). Results Of the resulting 787 articles, 34 were selected for a complete review, including three AMs: ThinPrep Imaging System, FocalPoint GS Imaging System and CytoProcessor. In total, 1 317 148 cytopathological slides were evaluated automatically, with 1 308 028 (99.3%) liquid-based cytology slides and 9120 (0.7%) conventional cytology smears. The AM diagnostic performances were statistically equal to or better than those of the manual method. AM use increased the detection of cellular abnormalities and reduced false-negatives. The average sample rejection rate was <= 3.5%. Conclusion AMs are relevant in quality control during the analytical phase of cervical cancer screening. This technology eliminates slide-handling steps and reduces the sample space, allowing professionals to focus on diagnostic interpretation while maintaining high-level care, which can reduce false-negatives. Further studies with conventional cytology are needed. The use of AM is still not so widespread in cytopathology laboratories.
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