Abstract
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.
Highlights
Cancer of the cervix is the second cancer of women in the world after the breast [1]
This study was conducted to evaluate the role of colposcopy in the screening of cervical cancer at the UTH in Conakry
The study population consisted of women aged between 25 and 65 who has agreed to screening for cancer of the cervix by colposcopy
Summary
Cancer of the cervix is the second cancer of women in the world after the breast [1]. The incidence and mortality of cancer decreased considerably through systematic screening programs [2]. In Africa, on the other hand, cervical cancer mortality is about 22.5 deaths per 100,000 women per year and survival at 5 years is estimated at 21% [3]. In Guinea, cancer of the cervix is a real public health problem; it represents the first cancer of women, and the second all sex confused according to EDS Guinea 2012 [4]. Colposcopy is the screening tool commonly used in developing countries, which will allow biopsy for the diagnosis.
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