5-Year Retrospective Study of the Prevalence of Cervical Lesions at the University of Benin Teaching Hospital, Nigeria
Introduction: Cervical cancer is a significant cause of death among women in developing countries. It is considered as the second most common cancer occurring in women and the third leading cause of death from cancer worldwide. We determined the patterns of cervical lesions as well as their prevalence at the University of Benin Teaching Hospital for the period of five preceding years in Nigeria. Material and Methods: This was a 5-year retrospective study conducted at the University of Benin Teaching Hospital (UBTH), a tertiary health facility in Benin City, Nigeria. Data were obtained from records of all patients, who were screened for cervical cancer in the Department of Morbid Anatomy, University of Benin. Permission was obtained from the UBTH Ethics Committee. The Bethesda Standardized System was used to classify patients’ pap smears. Results: Among the 2115 pap smears that were considered appropriate, 76.7%, 9.2%, 3.4%, 3.2%, 0.7%, 0.5% and 0.14% respectively were Normal, Negative for intraepithelial lesion or malignancy (NILM) with acute cervicitis (NAC), Negative for intraepithelial lesion or malignancy with moderately severe acute cervicitis (NMSAC), Atypical squamous cells of undetermined significance (ASCUS), Low grade squamous intraepithelial lesion (LGSIL), High grade squamous intraepithelial lesion (HGSIL) and squamous cell carcinoma (SCC) respectively. Our study recorded a 20% prevalence of cervical cancer with 94% of the precancerous cervical lesion occurring between 30 – 39 years. Conclusion: This study on the patterns of cervical lesion in UBTH, indicated that pap diagnosed as Negative for epithelial lesion or malignancy with acute cervicitis (NAC) was predominant compared to other precancerous lesions.
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