Publications by authors named "Olayiwola A Oluwasola"

Purpose: Conjunctival melanoma is a rare tumor worldwide and is extremely rare among black population. This study aims to report the demographics, clinical presentation, treatment, and outcome of patients seen in an indigenous black population in Southwestern Nigeria.

Methods: All patients histologically diagnosed with conjunctival melanoma and managed in the facility were reviewed.

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Background: Colorectal cancer (CRC) is the fifth most common cancer in Africa, with significant differences in incidence, biology and clinical behavior from other populations.

Materials And Methods: We studied prevalence and clinicopathological features of microsatellite instability (MSI) and young onset CRC in 83 archival samples from the University of Ibadan, Nigeria.

Results: Nigerian cases of CRC were MSI-high in 43% and MSI-high CRC had significantly lower histological heterogeneity than microsatellite-stable CRC (20% vs.

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Background: Although open surgical biopsy is the 'gold standard' for diagnosis of palpable breast lesions, in recent years two types of minimally invasive breast biopsy techniques, core needle biopsy and fine needle aspiration biopsy (FNAB), have become established for the diagnostic evaluation of palpable breast lesions.

Aims: This study was undertaken to evaluate the clinical effectiveness of FNAB as a first line diagnostic procedure in the management of patients with breast lumps in University College Hospital (UCH), Ibadan, using the suggested thresholds for cytology performance as recommended by the United Kingdom National Health Services Breast Screening Programme (NHSBSP).

Settings And Design: A 10-year retrospective cohort study carried out in the Pathology Department of UCH.

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Approximately 30 000 cases of non-Hodgkin lymphoma (NHL) occur in the equatorial belt of Africa each year. Apart from the fact that Burkitt lymphoma (BL) is very common among children and adolescents in Africa and that an epidemic of human immunodeficiency virus (HIV) infection is currently ongoing in this part of the world, very little is known about lymphomas in Africa. This review provides information regarding the current infrastructure for diagnostics in sub-Saharan Africa.

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Introduction: Determination of the true prevalence of Helicobacter pylori (H. pylori) is difficult in a hyper-endemic area like Nigeria with use of serological tests because of their low discriminatory power between previous and current infections. The use of biopsy based methods will go a long way to mitigate this problem.

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Introduction: Fibrous dysplasia is a benign tumour of the bones and is a disease of unknown aetiology. This report discusses a case of proptosis and visual deterioration with associated bony mass involving the right orbit.

Case Presentation: A 32-year-old Nigerian man of Yoruba ethnic origin presented to the eye clinic of our hospital with right-eye proptosis and visual deterioration of 7-year duration.

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Context: Despite the crucial role that autopsy plays in the development of the science and practice of medicine, autopsy rates have been declining throughout the world in recent decades.

Objective: To identify factors influencing the acceptance of autopsies in Nigeria.

Design: Cross-sectional survey of the knowledge, attitude, and perceptions of doctors and relatives of deceased patients on factors influencing acceptance of autopsy at the University College Hospital, Ibadan, Nigeria.

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Objective: To highlight the importance of a high index of suspicion and meticulous evaluation of a patient with bleeding sinonasal mass in the diagnosis of sinonasal paraganglioma.

Method: Case report of a 39-year-old female who presented with a bleeding lobulated left nasal mass necessitating multiple blood transfusions is presented.

Result: Diagnostic investigations revealed that the patient was HIV-positive (ELISA and Western blot) and a tumour histology of paraganglioma.

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