International journal of women's health · 2026
Regression, Persistence, and Progression of Cervical Precursor Lesions in Relation to High-Risk Human Papillomavirus Genotypes Over a 2-Year Follow-Up: A Prospective Cohort Study in Iran.
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Afsharipoor Niloofar, Ghahghaei-Nezamabadi Akram, Rashidi Mohammad Amin, Jafari Kasra, Tehranian Afsaneh
Аннотация
PURPOSE: Cervical cancer remains a significant global health burden, especially in low- and middle-income countries where screening coverage is limited. Persistent infection with high-risk human papillomavirus (HR-HPV) is the primary cause of cervical cancer. This study evaluates the natural history of cervical precursor lesions in women with negative Pap smears but positive HR-HPV results, focusing on risk factors of lesion regression, persistence, and progression.
PATIENTS AND METHODS: A prospective cohort study was conducted between December 2021 and April 2024 in Tehran, Iran. Women aged 30-65 years with HR-HPV infection and normal Pap smear results were enrolled. Participants underwent colposcopy-guided biopsy at baseline and after two years. Lesions were categorized as regressing, persisting, or progressing based on histopathological assessments.
RESULTS: Among 328 participants, 94.8% showed lesion regression, while a small proportion experienced persistence (3.4%) or progression (1.8%). Higher baseline lesion severity was the strongest predictor of persistence/progression (CIN1: aOR = 9.818, CIN2+: aOR = 24.984, normal as reference, all p < 0.05). Age showed a significant association with increased risk (aOR = 1.106, p = 0.018), while education and HPV genotype were not significantly associated.
CONCLUSIONS: In our study, baseline histological grade was the primary predictor of lesion persistence or progression. While HPV 16/18 are established high-risk factors, our findings suggest that in high-risk women within low-resource settings, the initial histological diagnosis may offer more immediate prognostic value for short-term outcomes than HPV genotyping alone. Larger, long-term studies are needed to confirm whether management strategies should be adjusted based on baseline pathology in these populations.
PATIENTS AND METHODS: A prospective cohort study was conducted between December 2021 and April 2024 in Tehran, Iran. Women aged 30-65 years with HR-HPV infection and normal Pap smear results were enrolled. Participants underwent colposcopy-guided biopsy at baseline and after two years. Lesions were categorized as regressing, persisting, or progressing based on histopathological assessments.
RESULTS: Among 328 participants, 94.8% showed lesion regression, while a small proportion experienced persistence (3.4%) or progression (1.8%). Higher baseline lesion severity was the strongest predictor of persistence/progression (CIN1: aOR = 9.818, CIN2+: aOR = 24.984, normal as reference, all p < 0.05). Age showed a significant association with increased risk (aOR = 1.106, p = 0.018), while education and HPV genotype were not significantly associated.
CONCLUSIONS: In our study, baseline histological grade was the primary predictor of lesion persistence or progression. While HPV 16/18 are established high-risk factors, our findings suggest that in high-risk women within low-resource settings, the initial histological diagnosis may offer more immediate prognostic value for short-term outcomes than HPV genotyping alone. Larger, long-term studies are needed to confirm whether management strategies should be adjusted based on baseline pathology in these populations.