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  • Title: Correlation of immediate prevalence of cervical squamous cell precancers and cancers with HPV genotype and age in women with LSIL cytology: A retrospective analysis of 1617 cases.
    Author: Chen L, Zhu K, Chen H, Liu Q, Zhang X, Zhou X, Zhang J, Niu S, Zhou F.
    Journal: Diagn Cytopathol; 2024 Jan; 52(1):10-15. PubMed ID: 37740483.
    Abstract:
    AIMS: To evaluate the immediate risk of cervical squamous cell precancers and cancers in women with low-grade squamous intraepithelial lesion (LSIL) cytology according to different high-risk human papillomavirus (hrHPV) results and age stratification. METHODS: The study included 1617 women with LSIL cytology and underwent simultaneous Aptima HPV genotyping (E6/E7 mRNA test) followed by cervical biopsy. RESULTS: Among 1317 hrHPV positive cases, other 11 types of hrHPV were the most frequent (68.8%), followed by HPV16 (11.1%), HPV18/45 (4.1%), and HPV16/HPV18/45 (0.5%). Compared to other groups, HPV18/45 positive group and other 11 types of hrHPV group showed significantly higher prevalence of intraepithelial neoplasia grade (CIN)1 (p < .0001), while HPV16 positive and HPV16/HPV18/45 dual positive groups showed significantly higher prevalence of CIN2/3 (p < .0001). In addition, hrHPV positive, 25-39 years-old age group showed a significantly higher prevalence of CIN1 (p = .032) than the other age groups. Furthermore, CIN1 prevalence was significantly higher in patients under 40 or 50 years of age than in those over 40 or 50 years of age (p = .005 and p = .011, respectively). However, there was no significant difference among the different age groups in CIN2/3 prevalence in women with LSIL cytology. CONCLUSION: In southern Chinese women population, LSIL cytology carries very low immediate risk of high-grade squamous intraepithelial lesions (HSIL) (CIN2/3) in general. However, HPV16 positive and HPV16/HPV18/45 dual positive indicated a higher immediate risk of high-grade squamous intraepithelial lesions (HSIL) (CIN2/3). Age is not an immediate risk factor in this patient population for high-grade squamous lesions or SCC. These results are similar to data from cytology laboratories in the United States and other international settings, therefore strongly support the usage of ASCCP guidelines in this patient population.
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