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  • Title: Simultaneous effects of aneuploidy and oncogenic human papillomavirus on histological grade of cervical intraepithelial neoplasia.
    Author: Monsonego J, Valensi P, Zerat L, Clavel C, Birembaut P.
    Journal: Br J Obstet Gynaecol; 1997 Jun; 104(6):723-7. PubMed ID: 9197877.
    Abstract:
    OBJECTIVE: To investigate whether ploidy and oncogenic human papillomavirus types can be correlated with the histological grade of cervical intraepithelial neoplasia (CIN) in the same tissue sections. DESIGN: Histological data were obtained from 292 dysplastic lesions of the cervix and classified according to the CIN and the Bethesda terminologies. The samples were analysed using Feulgen-stained image analysis cytometry for ploidy and Human papillomaviruses DNA typing by in situ hybridisation, respectively. SETTING: Colposcopy Clinic at Alfred Fournier Institute, Paris. POPULATION: Three hundred and forty women referred for an abnormal cervical smear. RESULTS: The ploidy data strongly segregate high grade from low grade squamous intraepithelial lesions (aneuploidy 78% versus 21%; P < 0.0001). There was a significant association between aneuploidy and the severity of the lesions (94% for CIN 3, 55% for CIN 2 and 14% for CIN 1; P < 0.0001). Both classifications showed a significant association of histological grade with oncogenic human papillomavirus types (HPV 16-18-33; 20% in low grade and 78% in high grade squamous intraepithelial lesions, 31% and 75% in CIN 1 and CIN 3, respectively; P < 0.0001). The simultaneous effects of these viruses and ploidy demonstrate an association in aneuploid cells between the presence of oncogenic human papillomavirus types and histological grade (76% and 18% in high and low grade squamous intraepithelial lesions, respectively; P < 0.0001). Such an association was not observed in diploid cells (20% in both low and high grade squamous intraepithelial lesions). CONCLUSIONS: High risk human papillomavirus types do not exert and an independent effect on the histological grade of cervical intraepithelial neoplasia.
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