Pathology
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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 Histomorphological assessment of non-neoplastic renal diseases at autopsy: an institutional experience in Southwestern Nigeria(The College of Medicine and the Medical Association of Malawi., 2021) Omenai, S. A.; Ajani, M. A.; Nwadiokwu, J. I.Background Autopsy remains an invaluable resource for medical education and establishing diagnosis of diseases that were missed prior to death. Many patients on admission in hospitals suffer kidney diseases that may contribute to their morbidity and/or mortality. The kidneys from autopsies provide opportunity to diagnose and understand some of these non-neoplastic renal lesions. This study aimed to present the frequency of non-neoplastic renal diseases at autopsy. Methods We conducted a five-year retrospective review of post-mortem records of deceased who had autopsy. Data such as age, sex, cause of death, and kidney lesions were extracted from the post-mortem records and clinical details were gotten from the clinical summaries in the autopsy reports. The kidneys were examined for pathological findings that were then classified into glomerular, tubulointerstitial (tubulointerstitial nephritis and other tubular lesions such as tubular necrosis, casts and fibrosis) and vascular lesions. Results A total of seventy (70) cases met the inclusion criteria with 91.4% having significant non- neoplastic renal lesions. The mean age of the deceased was 57.7years (18years – 91years). Males accounted for 65.7% of the cases. Glomerular lesions were seen in 84.3% of the cases, tubulointerstitial nephritis in 41.6% of cases, vascular lesions were seen in 30% of the cases and other tubular lesions (such as stones, casts and tubular necrosis) were seen in 52.9% of the cases. Cardiovascular diseases and infections were the major causes of death in these patients, accounting for 40% and 27% respectively. Renal diseases were attributed to immediate cause of death in 10% of the cases. Conclusion The kidney at autopsy provides a valuable renal pathology educational tool, as a wide range of medical renal lesions can be seen from kidneys examined at post mortem.Item Histopathological profile of childhood thyroid carcinoma in Ibadan, Southwestern Nigeria(The National Postgraduate Medical College of Nigeria, 2020) Omenai, S. A.; Ezenkwa, U. S.; Ajani, M. A.Objectives: Diabetes mellitus (DM) is a global health problem with associated high morbidity and mortality. This study was a retrospective review of post mortem examination findings of hospitalised patients with DM for causes of death. Materials and Methods: A retrospective, cross sectional autopsy review of all the patients with DM in our hospital between January 2008 and December 2017 was conducted. The causes of death were classified into cardiovascular, cerebrovascular, acute diabetic emergencies, infection, cancers and unnatural deaths. The demographic data and clinicopathological parameters were extracted, and the data were analysed using the SPSS software version 23. Results: A total of 1092 cases of autopsy were done within the study period, of which 91 cases were on patients with diabetes accounting for 8.3%. Infections with sepsis were the major cause of death, accounting for 51.6% followed by cardiovascular diseases(16.5%), cancers(14.3%), acute diabetic emergencies (6.6%) and cerebrovascular accidents (6.6%), with renal complications and road traffic accidents accounting for 2.2% each. Patients’ age ranged from 31 to 84 years, with a modal age of 57 years. There was a male predominance with a male to female ratio of 1.5:1. Systemic hypertension co morbidity was statistically significantly more common in patients aged 60 and above (P = 0.035). The most common lesion observed in the kidneys was benign nephrosclerosis (43.2%). Conclusions: This study suggests that majority of our patients with diabetes mellitus die from infections with attendant sepsis. Older patients appear to have co morbid systemic hypertension. Patient education on infection prevention and prompt treatment might be life saving.Item Histopathological profile of childhood thyroid carcinoma in Ibadan, Southwestern Nigeria(Medical Association of Malawi, 2020) Ajani, M. A.; Omenai, S. A.; Nwadiokwu, J. I.; Salami, A. A.Background Thyroid carcinoma is a common endocrine malignancy. It is however rare in childhood and often occurs as a result of radiation exposure or inherited genetic mutations. Most childhood thyroid carcinomas are well differentiated. There are very few epidemiological studies of this disease in Nigeria and our study aimed to determine the frequency in a subset of our population. The study aimed to determine the prevalence and histopathological characteristics of childhood thyroid carcinoma in our environment. Methods This was a retrospective review of histopathologically diagnosed thyroid carcinoma in children less than 18 years of age in the Department of Pathology, University College Hospital, Ibadan over a 40-year period. Histopathological diagnosis, age, sex and other relevant clinical information were extracted from the hospital records and surgical pathology records of the department. All cases of patients under18 years old had their slides re-examined and reclassified by two pathologists according to the World Health Organization histopathological classification of thyroid tumours. Results There were 25 cases of thyroid carcinomas seen in children within the study period. Papillary thyroid carcinoma was the most common, accounting for 80% of the cases. Follicular carcinoma accounted for 12%, and medullary and anaplastic carcinoma accounted for 4% each. The mean age at presentation was 13 years. There was a female preponderance with females accounting for 60% of cases. Tumours with distant metastasis made up 20% of the cases. Conclusion Childhood thyroid carcinomas are rare in our environment, with a minority of cases presenting with metastases.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.