Scholarly works in Pathology (Basic Med Sci)
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Item Prevalence and Review of Pathological Anatomy of Gestational Choriocarcinoma in Ibadan(JournalGurus (on behalf of the Society of Gynaecology and Obstetrics of Nigeria), 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 due to its 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 were extracted from the departmental surgical day book, ward register, Department of Medical Records, and Cancer Registry. The data were analyzed using the Statistical Package for Social Sciences (SPSS), version 22. 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, of which 36 cases were GCC, accounting for 19.7%. Of all the cases, 55.6% 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 of 20 to 50 years, with the majority of cases occurring in the third decade of life. Conclusion: Gestational choriocarcinoma remains the most common form of gestational trophoblastic neoplasia in our environment. Awareness of this tumor, along with a high index of suspicion, is essential for accurate diagnosis and effective patient management.Item Histopathological analysis of male breast cancer in Southwestern Nigeria: A single-center retrospective study(Wolters Kluwer - Medknow, 2021) Ajani, M. A.; Odetola, S. S.; Awosusi, B. L.; Fatunla, E. O.; Salami, A. A.Background: Breast cancer in men is still an uncommon and largely understudied disease. It accounts for 1% of all breast cancers. The aim of this study was to review all the male breast cancer cases diagnosed at the tertiary medical institution in South West Nigeria over a 10‑year period and to compare the findings with other similar studies done in Nigeria and globally. Methods: We retrospectively reviewed all histologically diagnosed cases of male breast cancers in the Department of Pathology, Tertiary Medical Institution in South West Nigeria over a 10‑year period from January 1, 2009, to December 31, 2018. Clinicopathological parameters including patients’ age, laterality, and specific histological sub‑types were extracted from surgical day book and Cancer Registry of the Department. The data were analyzed using the IBM SPSS Statistics (version 22; IBM Corporation, Armonk, New York, USA). The results were subsequently presented in tables, relative frequencies, group percentages, and photomicrographs. Results: Forty‑two cases of male breast cancer were seen, accounting for 1.7% of all breast cancer cases. The age range was between 22 and 91 years with a mean age of 60.3 years, and a peak occurrence was in the 8th decade. The right breast was more affected than the left, accounting for 52% of the total number of cases seen. The most common histological sub‑type found was invasive ductal carcinoma, accounting for 88% of all the cases. Conclusion: Male breast cancer is relatively uncommon compared to female breast cancer. It is more common in the older age group, and invasive ductal carcinoma is still the most common histological subtype.Item Histopathological analysis of male breast cancer in Southwestern Nigeria: A single-center retrospective study(Wolters Kluwer - Medknow, 2021) Ajani, M. A.; Odetola, S. S.; Awosusi, B. L.; Fatunla, E. O.; Salami, A. A.Background: Breast cancer in men is still an uncommon and largely understudied disease. It accounts for 1% of all breast cancers. The aim of this study was to review all the male breast cancer cases diagnosed at the tertiary medical institution in South West Nigeria over a 10‑year period and to compare the findings with other similar studies done in Nigeria and globally. Methods: We retrospectively reviewed all histologically diagnosed cases of male breast cancers in the Department of Pathology, Tertiary Medical Institution in South West Nigeria over a 10‑year period from January 1, 2009, to December 31, 2018. Clinicopathological parameters including patients’ age, laterality, and specific histological sub‑types were extracted from surgical day book and Cancer Registry of the Department. The data were analyzed using the IBM SPSS Statistics (version 22; IBM Corporation, Armonk, New York, USA). The results were subsequently presented in tables, relative frequencies, group percentages, and photomicrographs. Results: Forty‑two cases of male breast cancer were seen, accounting for 1.7% of all breast cancer cases. The age range was between 22 and 91 years with a mean age of 60.3 years, and a peak occurrence was in the 8th decade. The right breast was more affected than the left, accounting for 52% of the total number of cases seen. The most common histological sub‑type found was invasive ductal carcinoma, accounting for 88% of all the cases. Conclusion: Male breast cancer is relatively uncommon compared to female breast cancer. It is more common in the older age group, and invasive ductal carcinoma is still the most common histological subtype.Item P57kip2 Immunohistochemical Marker as a Diagnostic tool for Cases of Hydatidiform Moles in a Tertiary Health Facility in Southwestern Nigeria(Wolters Kluwer - Medknow, 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 and Methods: A retrospective 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.Item Inflammatory pseudotumor: a 20‑year single institutional experience(Wolters Kluwer - Medknow, 2020) Ajani, M. A.; Fatunla, E. O.; Onakpoma, F. A.; Salami, A. A."Background: Inflammatory pseudotumor (IPT) is a relatively rare benign disease. The aim of the study was to demonstrate the demographic distribution, clinical presentation, and histomorphological characteristics of IPT while highlighting its associated diagnostic challenges. Materials and Methods: A retrospective cross‑sectional review of all the IPT diagnosed in our institution between January 1999 and December 2018 was conducted. The samples were received from within and outside the hospital facility. The demographic data, clinical history, and histologic reports were reviewed. Results: A total of 25 cases of histologically confirmed IPT were seen. Patients’ age ranges from 7 to 74 years with a mean age of 38.96 years and standard deviation ± 17.94 years. There was a bimodal peak occurrence in the third and fifth decades. Most of the patients were adults (23, 92%), whereas only 2 (8%) were children. There was a female preponderance with a male‑to‑female ratio of 1:2.6. The head and neck had the highest number of cases (44%), followed by the gastrointestinal tract (GIT) (40%). Eight (73%) of head and neck cases occurred in the orbit. The presenting complaints depended on the site of the lesion with pain and swelling being the commonest symptoms irrespective of the site of the lesions. Two cases of bilateral IPT were observed. Immunohistochemistry was used in a certain condition of diagnostic dilemma. Conclusion: This study showed a female preponderance of IPT with the head and neck and GIT being the most common location. It is important to rule out other differentials in the diagnosis of IPT."Item Histopathological characteristics of gynaecomastia in Southwestern Nigeria: A review from a tertiary hospital(Wolters Kluwer - Medknow, 2020) Ajani, M. A.; Salami, A. A.; Awosusi, B. L.; Omenai, S. A.; Iyapo, O.; Odetola, S. S.Background: Gynaecomastia is a benign proliferation of the glandular tissue of the male breast. It is thought to be present in at least a third of men in the course of their lifetime. This study aims to review the histomorphological characteristics of gynaecomastia seen at the department of Pathology, University College Hospital (UCH), Ibadan, over 10 years period. Methods: A hospital-based retrospective study was undertaken to review the histopathology reports of all gynaecomastia cases diagnosed at the Department of Pathology, UCH Ibadan, over a 10‑year period from 01 January, 2009 to 31 December, 2018. Patient’s biodata, histological diagnosis and clinical details were extracted from the surgical day books and laboratory request forms. The data were analysed for the frequency distribution using the SPSS software version 22. Results: Gynaecomastia accounts for 2.5% of all breast biopsies received within the study period and accounted for 68.1% of all benign breast lesions seen in males. The left breast was the most affected with 48.8% of the cases, whereas 17.2% of the cases were bilateral. The age range of patients with gynaecomastia seen in this study is between 12 and 80 years with a mean age of 43.36 years. The most common histopathological subtype seen in this study is the florid type gynaecomastia. Conclusion: Gynaecomastia is the most common diagnosis from male breast biopsies. The left breast is the most commonly affected breast. The florid type gynaecomastia is the main histopathological variant seen in this study.Item Histopathological characteristics of gynaecomastia in Southwestern Nigeria: A review from a tertiary hospital(Wolters Kluwer - Medknow, 2020) Ajani, M. A.; Salami, A. A.; Awosusi, B. L.; Omenai, S. A.; Iyapo, O.; Odetola, S. S.Background: Gynaecomastia is a benign proliferation of the glandular tissue of the male breast. It is thought to be present in at least a third of men in the course of their lifetime. This study aims to review the histomorphological characteristics of gynaecomastia seen at the department of Pathology, University College Hospital (UCH), Ibadan, over 10 years period. Methods: A hospital-based retrospective study was undertaken to review the histopathology reports of all gynaecomastia cases diagnosed at the Department of Pathology, UCH Ibadan, over a 10‑year period from 01 January, 2009 to 31 December, 2018. Patient’s biodata, histological diagnosis and clinical details were extracted from the surgical day books and laboratory request forms. The data were analysed for the frequency distribution using the SPSS software version 22. Results: Gynaecomastia accounts for 2.5% of all breast biopsies received within the study period and accounted for 68.1% of all benign breast lesions seen in males. The left breast was the most affected with 48.8% of the cases, whereas 17.2% of the cases were bilateral. The age range of patients with gynaecomastia seen in this study is between 12 and 80 years with a mean age of 43.36 years. The most common histopathological subtype seen in this study is the florid type gynaecomastia. Conclusion: Gynaecomastia is the most common diagnosis from male breast biopsies. The left breast is the most commonly affected breast. The florid type gynaecomastia is the main histopathological variant seen in this study.Item One year of breast cancer in Ibadan, Southwestern Nigeria: a histopathological review(African Journal of Open Libraries, 2021) Jimoh, M. A.; Ajani, M. A.; Folorunso, S. A.; Fatunla, E. O.; Aruah, C. S.; Abdus-Salam, A. A.; Ogunbiyi, J. O.Background: Breast cancer is a major public health problem in most low- to medium-income countries of the world because of its high morbidity and mortality rate. Histopathological features are vital in risk assessment, selection of treatment and prognostication in breast cancer patients. This study aimed to assess the histopathological features of all breast cancer cases seen in a tertiary hospital in the year 2018. Methods: This is a retrospective review of all breast cancer cases histologically diagnosed and confirmed by three Pathologists at the University College Hospital (UCH), Ibadan over a one-year period from 1st January 2018 to 31st December, 2018. Results: A total of 236 breast cancer cases were seen during this period, 234 (99.2%) were females while only 2 (0.8%) were male. 163 (69.7%) patients were between the fourth and sixth decades of life, 65 (27.8%) patients were above sixth decade while 6 (2.5%) patients were below fourth decade. Invasive ductal carcinoma of No Special Type (NST) was the commonest histological subtype 212 (89.8%). Grade 1 cases were 25 (10.6%), Grade 2 129 (54.7%) and Grade 3 cases were 40 (16.9%) while 42 (17.8%) were not graded. Lymphovascular invasion observed in 98 (41.5%) of the cases. 54 (22.9%) had immunohistochemistry out of which 23 (43.4%) were triple negative while 8 (3.4%) were triple positive. Conclusion: Histopathological features suggesting aggressive disease was predominantly observed. Efforts should be made towards early diagnosis, adequate evaluation and prompt treatment. Cancer care should be fully incorporated in the National Health Insurance Scheme (NHIS).Item 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.Item 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.