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The human papillomavirus (HPV) is implicated in nearly all cases of cervical cancer. While most HPV infections resolve spontaneously, persistent infections can lead to high-grade lesions and cancer. Traditionally, cervical screening has relied on cervical cytology, but since 2016, HPV mRNA testing has been integrated to enhance the detection of high-grade lesions (CIN2+) in women with normal cytology. This study, conducted at the Department of Clinical Pathology at UNN from 2016 to 2019, evaluates the impact of HPV mRNA testing on quality assurance, with follow-up adhering to national guidelines through December 2022. Among 98,648 cervical samples analyzed, 61,635 women exhibited normal cytology. Of these, 752 (1.2%) tested positive for HPV mRNA, specifically targeting HPV types 16, 18, and 45. Upon the re-evaluation of the index cytology, 70.7% of these women retained normal cytology findings, while biopsies identified high-grade lesions (CIN2+) in 34% and severe lesions (CIN3+) in 14%. Notably, older women constituted a larger portion of the normal cytology group but a smaller percentage of those testing positive for HPV and exhibiting significant lesions. This underscores the effectiveness of HPV mRNA testing in promptly identifying high-grade lesions, highlighting its potential to significantly reduce cervical cancer incidence through targeted re-evaluation of a small, at-risk population.
Strand et al. (Fri,) studied this question.