Predictors for regression and progression of actively surveilled cervical intraepithelial neoplasia grade 2: A prospective cohort study
Introduction To evaluate predicting clinical factors for regression and progression of cervical intraepithelial neoplasia (CIN) grade 2 (CIN2) in young women during two years of active surveillance. Material and Methods This was a single‐center prospective observational cohort study. Women under 31 ...
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| Vydané v: | Acta obstetricia et gynecologica Scandinavica Ročník 104; číslo 4; s. 763 - 773 |
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| Hlavní autori: | , , , , , , , , , |
| Médium: | Journal Article |
| Jazyk: | English |
| Vydavateľské údaje: |
United States
John Wiley & Sons, Inc
01.04.2025
John Wiley and Sons Inc Wiley |
| Predmet: | |
| ISSN: | 0001-6349, 1600-0412, 1600-0412 |
| On-line prístup: | Získať plný text |
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| Shrnutí: | Introduction
To evaluate predicting clinical factors for regression and progression of cervical intraepithelial neoplasia (CIN) grade 2 (CIN2) in young women during two years of active surveillance.
Material and Methods
This was a single‐center prospective observational cohort study. Women under 31 years of age giving written informed consent with histologically confirmed CIN2 were followed with colposcopy, cytology, and biopsies every 6 months up to 24 months. At baseline, HPV genotyping was performed on cervical samples. The rates of regression and progression were recorded for every timepoint and at the end of study overall and stratified according to clinical factors and HPV genotypes at baseline. Risk ratio (RR) was used to estimate the relative risks for regression and progression. The study was registered in the ISRCTN registry (ISRCTN91953024).
Results
In total, 205/243 (84.4%) women completed the study. Complete regression (normal histology and/or normal or atypical squamous cells of undetermined significance (ASC‐US) cytology) was detected in 64.4.% (n = 132) while 16.1% (n = 33) of the lesions progressed to CIN grade 3 (CIN3) or worse including 31 CIN3 cases, one adenocarcinoma in situ and one cervical cancer case. Factors associated with progression were initial large (>50% of the transformation zone) lesion size, risk ratio (RR) 3.06 (95% confidence interval (CI) 1.40–6.69), and high‐grade referral cytology RR 4.73 (95% CI 1.18–19.03). Compared with baseline HPV negativity or having only low‐risk HPV genotypes present, high‐risk HPV (hrHPV) positivity was associated with lower likelihood of regression RR 0.74 (95% CI 0.60–0.91). Age, cigarette smoking, use of combined oral contraceptives or baseline high‐risk HPV genotype, including HPV16, were not associated with the outcomes.
Conclusions
The majority of CIN2 lesions regress in young women. Women with large lesions and/or high‐grade referral cytology should perhaps more often be treated instead of active surveillance. Initial hrHPV genotype does not appear to predict outcomes while not harboring hrHPV favors regression.
Over 60% of cervical intraepithelial neoplasia grade 2 lesions regress in young women. Lesion size and initial cytology can predict progression of cervical intraepithelial neoplasia grade 2. High‐risk HPV negativity at baseline increases the likelihood of regression. |
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| Bibliografia: | ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 14 content type line 23 ObjectType-Undefined-3 |
| ISSN: | 0001-6349 1600-0412 1600-0412 |
| DOI: | 10.1111/aogs.15032 |