Abstract:
AIM:A newly developed cervical cancer screening method - folate receptor-mediated epithelium staining utilizes methylene blue internalized by folate receptor-mediated endocytosis to stain cervical intra-epithelial neoplasia. We test the clinical feasibility of this method in this study. METHODS:A total of 14 344 women who were at least 21 years old and had been sexually active, participated in the study. In gynecological clinics, participants underwent cervical cancer screening with folate receptor-mediated epithelium staining followed by cytology sampling. The color change of methylene blue in the cervical neoplastic epithelium can then be detected by the cotton swabs placed inside the cervix. A change of color to blue, bluish black or black is positive, whereas a change of color to green or no color change indicates negative result. Three hundred and twenty-three women who were positive with either or both tests had histopathologic diagnosis. RESULTS:The sensitivity, specificity, positive predictive value and negative predictive value of folate receptor-mediated epithelium staining for cervical intra-epithelial neoplasia grade 2 and worse was 85.7%, 76.4%, 61.3% and 92.5%, respectively. Folate receptor-mediated epithelium staining had moderate agreement with cytology thresholded at atypical squamous cells, unable to exclude a high grade intra-epithelial lesion and was more sensitive that the later (85.7% vs 74.5% for intra-epithelial neoplasia grade 2 and worse; 89.2% vs 75.4% for intra-epithelial neoplasia grade 3 and worse). CONCLUSION:Folate receptor-mediated epithelium staining is capable of detecting cervical precancerous and cancerous lesions rapidly and cost-effectively.
journal_name
Asia Pac J Clin Oncoljournal_title
Asia-Pacific journal of clinical oncologyauthors
Li D,Chen L,Wang H,Yang H,Dai Y,Yu C,Dong Ydoi
10.1111/ajco.12573subject
Has Abstractpub_date
2017-02-01 00:00:00pages
44-52issue
1eissn
1743-7555issn
1743-7563journal_volume
13pub_type
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journal_title:Asia-Pacific journal of clinical oncology
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