Obstetrics. & Gynecology
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Item An assessment of ovarian cancer histologic types across the African Diaspora(2021) George, S. H. L.; Omotoso, A.; Pinto, A.; Mustapha, A.; Sanchez-Covarrubias, A. P.; Umar, U. A.; Umar, A. B.; Oluwasola, T. A. O.; Okolo, C. A.; Anthony, U. U.; Ukekw, F. I.; Bakari, M. A.; Dahiru, A. M. C.; Abdullahi, H. I.; Abimiku, B. A.; Abdurrahman, A.; Usman, A.; Ahmed, S. A.; Usman, H. A.; Kabir, A.; Eleje, G. U.; Chiemeka, M. E.; Nzeribe, E.; Nweke, I.; Kadas, S. A.; Suleiman, D. E.; Ekanem, E.; Uche, U. M.; Paul, J.; Agwu, U. M.; Edegbe, F. O.; Anorlu, R. I.; Banjo, A.; Ajenifuja, K. O.; Fawole, A. A.; Kazeem, I. O. O.; Magaji, F.; Silas, O.; Athanasius, B. P.; Tamunomie, N. K.; Abudu, E. B. K.; Ango, I. G.; Abdullahi K.; Lawal, I.; Kabir, S. A.; Ekanem, V.; Ezeanochie, M.; Yahaya, U. R.; Castillo, M. N.; Bahall, V.; Chatrani, V.; Brambury, I.; Bowe, S.; Halliday, D.; Bruney, G.; Butler, R.; Ragin, C.; Odedina, F.; Chamala, S.; Schlumbrecht, M.; Audu, B.Objective: Ovarian cancer in Black women is common in many West African countries but is relatively rare in North America. Black women have worse survival outcomes when compared to White women. Ovarian cancer histotype, diagnosis, and age at presentation are known prognostic factors for outcome. We sought to conduct a preliminary comparative assessment of these factors across the African diaspora. Methods: Patients diagnosed with ovarian cancer (all histologies) between June 2016- December 2019 in Departments of Pathology at 25 participating sites in Nigeria were identified. Comparative population-based data, inclusive of Caribbean-born Blacks (CBB) and US-born Blacks (USB), were additionally captured from the International Agency for Research on Cancer and Florida Cancer Data Systems. Histology, country of birth, and age at diagnosis data were collected and evaluated across the three subgroups: USB, CBB and Nigerians. Statistical analyses were done using chi-square and student’s t-test with significance set at p<0.05. Results: Nigerians had the highest proportion of germ cell tumor (GCT, 11.5%) and sexcord stromal (SCST, 16.2%) ovarian cancers relative to CBB and USB (p=0.001). CBB (79.4%) and USB (77.3%) women were diagnosed with a larger proportion of serous ovarian cancer than Nigerians (60.4%) (p<0.0001). Nigerians were diagnosed with epithelial ovarian cancers at the youngest age (51.7± 12.8 years) relative to USB (58.9 ± 15.0) and CBB (59.0± 13.0,p<0.001). Black women [CBB (25.2 ± 15.0), Nigerians (29.5 ± 15.1), and USB (33.9 ± 17.9)] were diagnosed with GCT younger than White women (35.4 ± 20.5, p=0.011). Black women [Nigerians (47.5 ± 15.9), USB (50.9 ± 18.3) and CBB (50.9 ± 18.3)] were also diagnosed with SCST younger than White women (55.6 ± 16.5, p<0.01). Conclusion: There is significant variation in age of diagnosis and distribution of ovarian cancer histotype/diagnosis across the African diaspora. The etiology of these findings requires further investigation.Item Knowledge of the human papilloma virus vaccines, and opinions of gynaecologists on its implementation in Nigeria(2013-06) Morhason-Bello, I. O.; Adesina, O. A.; Adedokun, B. O.; Awolude, O.; Okolo, C. A.; Aimakhu, C. O.; Akinwunmi, B. O.; Oladokun, A.; Adewole, I. F.The objective of this study was to determine the knowledge and perception of Nigerian Obstetricians and Gynaecologists towards human papilloma virus vaccine use in Nigeria. A cross sectional study was conducted amongst participants that attended the 42nd Society of Gynaecology and Obstetrics of Nigeria. The findings revealed that 44.5% knew the correct HPV vaccine schedule. Regarding implementation in Nigeria, 87.4% suggested its incorporation into the national immunization program and about a third agreed that it should be a precondition for school enrolment. Regression analysis showed that senior residents were more likely to have adequate knowledge of the vaccine compared to junior residents (AOR 7.181 95% CI OR=1.792 – 28.782). We conclude that the knowledge of eligibility and schedule is poor. It is recommended that adequate information should be provided to this group of health workers because of their strategic position in its implementation in NigeriaItem A review of vulvar and vaginal cancers in Ibadan, Nigeria(2013) Okolo, C. A.; Odubanjo, M. O.; Awolude, O. A.; Akang, E. E. U.The objectives of this study are to give an update on the previous studies on vulvar and vaginal cancers from the University College Hospital (UCH), Ibadan, Nigeria, to elucidate any changes in pattern, and to enumerate some of the factors affecting the management of these cancers at the UCH today. All the cases of cancer of the vulva and vagina seen at the UCH between January 1981 and December 2008 were reviewed and re-classified according to the World Health Organization (WHO) histological classification of 2004. The results are as follows: Vaginal and vulvar cancers were the 4th (1.4%) and 5th (1.2%) most common of the 5913 gynecological cancers seen. The mean age was 49.7 years. Squamous cell carcinoma (SCC) was the most common histological type. Notably, vulvar cancer is more common than vaginal cancer in the US and the UK and this opposes our findings. We studied time periods before and after the year 2000, and found vaginal cancer to be more common before and vulvar cancer after the year 2000. We suggest that this may be related to the introduction of the FIGO guidelines in 2000. We conclude that it is important to strictly adhere to the FIGO guidelines in determining the primary site of origin of these cancers in patients with advanced local disease as this distinction has implications for clinical management. The objectives of this study are to give an update on the previous studies on vulvar and vaginal cancers from the University College Hospital (UCH), Ibadan, Nigeria, to elucidate any changes in pattern, and to enumerate some of the factors affecting the management of these cancers at the UCH today. All the cases of cancer of the vulva and vagina seen at the UCH between January 1981 and December 2008 were reviewed and re-classified according to the World Health Organization (WHO) histological classification of 2004. The results are as follows: Vaginal and vulvar cancers were the 4th (1.4%) and 5th (1.2%) most common of the 5913 gynecological cancers seen. The mean age was 49.7 years. Squamous cell carcinoma (SCC) was the most common histological type. Notably, vulvar cancer is more common than vaginal cancer in the US and the UK and this opposes our findings. We studied time periods before and after the year 2000, and found vaginal cancer to be more common before and vulvar cancer after the year 2000. We suggest that this may be related to the introduction of the FIGO guidelines in 2000. We conclude that it is important to strictly adhere to the FIGO guidelines in determining the primary site of origin of these cancers in patients with advanced local disease as this distinction has implications for clinical management.Item Knowledge of the human papilloma virus vaccines, and opinions of gynaecologists on its implementation in Nigeria(Women’s Health and Action Research Centre, 2013) Morhason-Bello, I. O.; Adesina, O. A.; Adedokun, B. O.; Awolude, O.; Okolo, C. A.; Aimakhu, C. O.; Akinwunmi, B. O.; Oladokun, A.; Adewole, I. F.The objective of this study was to determine the knowledge and perception of Nigerian Obstetricians and Gynaecologists towards human papilloma virus vaccine use in Nigeria. A cross sectional study was conducted amongst participants that attended the 42nd Society of Gynaecology and Obstetrics of Nigeria. The findings revealed that 44.5% knew the correct HPV vaccine schedule. Regarding implementation in Nigeria, 87.4% suggested its incorporation into the national immunization program and about a third agreed that it should be a precondition for school enrollment. Regression analysis showed that senior residents were more likely to have adequate knowledge of the vaccine compared to junior residents (AOR 7.181 95% CI OR=1.792 – 28.782). We conclude that the knowledge of eligibility and schedule is poor. It is recommended that adequate information should be provided to this group of health workers because of their strategic position in its implementation in Nigeria.