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Objective: This study was conducted to evaluate the role of colposcopy in the screening of cervical cancer at the UTH in Conakry. Material and Methods: We conducted a descriptive study on over a period of 18 months of from the 1 July 2004 to December 31, 2005 in the CHU of Conakry Any women aged from 25 to 65 years old who has agreed to the screening of cervical cancer by colposcopy was included. Statistical tests of sensitivity, specificity, and predictive values positive and negative were computed directly and compare among all participants. Results: During the study period, we included a total of 9339 women. For all precancerous and cancerous lesions, sensitivity and specificity were 93% and 64% respectively. With a positive predictive value of 46% and the negative predictive value of 90%, low and high grade precancerous lesions were found with: a sensitivity of 91%, the specificity of 64%. The positive predictive value of 37%, and the negative predictive value of 91% were estimed. Intra epithelial lesions (LIEBG) low-grade squamous sensitivity was 94%, specificity of 62%, the positive predictive value of 31%, the negative predictive value of 95%. For lesions intra epithelial highgrade squamous (LIEHG), the sensitivity was 85%, 10%, the positive predictive value of 74% specificity, negative predictive value of 95%. Conclusion: Colposcopy is a reference method of detection of precancerous lesions of the cervix to promote cancer.

open journal of obstetrics and gynecology

Colposcopy at the University Hospital in Conakry: Role of Colposcopy in Screening and/or Diagnosis of Cervical Cancer in the UTH University Teaching Hospital of Conakry