Indian Journal of Pathology and Microbiology
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Year : 2000  |  Volume : 43  |  Issue : 3  |  Page : 271-5

Correlations between apoptotic and proliferative indices in cervical intraepithelial neoplasia and carcinoma.

Aligarh Muslim University, Aligarh

Correspondence Address:
P Dey
Aligarh Muslim University, Aligarh

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Source of Support: None, Conflict of Interest: None

PMID: 11218671

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Aims of the present paper was to study cell death by apoptosis and cell proliferation in normal cervical biopsies, cervical intraepithelial neoplasms (CIN) and squamous cell carcinomas of cervix (CaCx). There were each seven cases of normal cervical biopsy, CIN1 and CIN2 along with 10 cases of CIN3 and 14 cases of CaCx. Percentage of apoptotic cells and bodies (i.e. apoptotic index, AI) and mitoses (i.e. mitotic index, MI) and turnover index (TI - AI + MI) were counted in formalin fixed, paraffin embedded, haematoxylin and eosin stained slides. AgNOR stain was done and mean AgNOR dots per cell was also estimated. AI, MI and TI were correlated with histology grade of CIN and invasive carcinoma cervix. Mean AI, MI, TI and AgNOR count increased from lower to higher grades of CIN. AI, MI & TI raised significantly from CIN3 to carcinomas; AI, TI & AgNOR count raised significantly from CIN1 to combined CIM2 & 3; TI & AgNOR count were high in CIN1 to CIN2; AI & TI were significantly raised in normal to CIN1. In conclusion, TI is probably more important for cell kinetic analysis of CIN and carcinoma of cervix because it reflects the frequency of two important events i.e. mitosis and cell death. Sudden increase of AI, MI, TI count from CIN3 to CaCx may indicate the possibility of genetic alteration of cells of CIN3 which induces a frank malignant transformation from CIN3 to CaCx.

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