FACULTY OF BASIC MEDICAL SCIENCES

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Author: search.filters.author.Awosusi, B. L.Subject: search.filters.subject.Ibadan

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    Patterns of inflammatory lesions of the appendix in a Nigerian Tertiary Health Facility
    (African Journal of Open Libraries, 2021) Ajani, M. A.; Awosusi, B. L.; Omenai, S. A.; Adegoke, O. O.; Ajani, T. A.
    Background: Appendicitis is most common between the ages of 10 and 20 years, although all ages can be affected. Acute appendicitis is the most common cause of acute surgical abdomen worldwide and its incidence varies with geographical location. The aim of this study was to review all the inflammatory lesions of the surgically removed appendix in University College Hospital, Ibadan, Nigeria and to describe the histopathological patterns of these lesions. Methods: This study was a retrospective review of all appendectomy specimens submitted to the Department of Pathology, University College Hospital, Ibadan, Nigeria from January 2009 to December 2018. Patients’ biodata, clinical parameters, and histological diagnoses were extracted from departmental surgical day books. The data were analyzed using IBM SPSS Statistics (version 23; IBM Corporation, Armonk, New York) and expressed as frequency distribution. Results: A total of 1071 appendectomy specimens were received in our laboratory during the 10-year study period, accounting for 3% of all specimens received. There were 1062 cases of inflammatory lesions, accounting for 99.2% of the cases. There was a male preponderance with male to female ratio of 1.2:1. The age was from 1 to 83 years. The most common histological diagnosis was acute suppurative appendicitis with peritonitis accounting for 47.6% of all the cases. Conclusion: The findings in our study supports the fact that acute suppurative appendicitis is the most common inflammatory disease of the appendix which is consistent with other similar studies that have been done in our environment and in the developed world.
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    Prevalence and review of pathological anatomy of gestational choriocarcinoma in Ibadan
    (Journal Gurus, 2022) Awosusi, B. L.; Ajani, M. A.; Adegoke, O. O.; Salami, A. A.; Okolo, C. A.
    Objectives: Gestational choriocarcinoma (GCC) is a highly malignant epithelial tumor arising from the trophoblast of any type of gestational event, most often a complete hydatidiform mole. Choriocarcinoma is the most aggressive form of gestational trophoblastic neoplasia owing to their rapid growth and metastatic potential. This study reviewed all cases of GCC seen at the University College Hospital Ibadan. Methods: This was a 20 year retrospective hospital-based study designed to review all histologically diagnosed cases of choriocarcinoma registered at the Department of Pathology, University College Hospital (UCH), Ibadan, Nigeria, from 1st January, 1997 to 31st December, 2016. Clinicopathological data was extracted from the departmental surgical day book, Ward register, Department of Medical Records and Cancer Registry. The data was analyzed using the Statistical Package for Social Sciences, version 22. The results were presented in tables, relative frequencies and group percentages. Results: One hundred and eighty three cases of gestational trophoblastic disease were histologically diagnosed within the study period out of which 36 cases were GCC accounting for 19.7%. 55.6% of all the cases were received as endometrial biopsies, 33.3% as hysterectomy specimens, 8.3% as cervical biopsies and 2.8 as an anterior vaginal wall mass. Choriocarcinoma occurred in the age range 20 to 50 years with majority of cases occurring in the third decade of life. Conclusion: Gestational choriocarcinoma is still the most common gestational trophoblastic neoplasia seen in our environment. Awareness of this tumour with a high index of suspicion is needed for an accurate diagnosis and patient management.
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    P57kip2 immunohistochemical marker as a diagnostic tool for cases of hydatidiform moles in a tertiary health facility in southwestern Nigeria
    (National Postgraduate Medical Journal, 2020) Awosusi, B. L.; Ajani, M. A.; Adegoke, O. O.; Salami, A. A.; Okolo, C. A.
    Background: Hydatidiform mole (HM) is the most common gestational trophoblastic disease. P57kip2 has been reported to be helpful in differentiating between partial and complete HMs. Objectives: The study aims to evaluate the P57kip2 immunohistochemical (IHC) marker as a useful ancillary investigation to differentiate complete hydatidiform mole (CHM) from partial hydatidiform mole (PHM). Materials andMethods: Aretrospective study of all histologically diagnosed HM cases over a 20 year period was undertaken. Clinicopathological parameters were extracted from the surgical day book and medical record archives. Archival haematoxylin- and eosin-stained slides and formalin fixed paraffin embedded tissue blocks of all cases of HM diagnosed within the study period were retrieved and reviewed. Cases of HM were reclassified using the P57kip2 IHC marker. The data obtained were analysed using the SPSS version 23. Results: One hundred cases of HMs were studied. CHM accounted for 68%, while PHM accounted for the remaining 32%. The incidence of HM was 2.98 cases per 1000 deliveries. The ratio of CHM to PHM was found to be 2.1:1. Seventy two per cent of the cases were diagnosed in the first trimester, while the remaining 28% were diagnosed in the second trimester of pregnancy. Based on the P57kip2 IHC staining pattern, HM cases were finally reclassified into 68 cases of CHM and 32 cases of PHM. The age range for all the HM cases was 18–50 years with the majority of the cases seen in the third and fourth decades of life. Conclusion: P57kip2 could be useful as an ancillary investigation in confirming the diagnosis of CHM and differentiating it from PHM, particularly in difficult and challenging cases.