Publications by authors named "Alemayehu T Tefera"

Introduction: Renal Osseous Metaplasia (OM) is a rare condition in which mature bone forms within the renal parenchyma, typically as focal cortical lesions. Although it is usually considered a spontaneous and less pathologically significant lesion, it has been observed in damaged renal allografts and other urinary tract sites. The case we present involves a native kidney with a simple renal cyst, where histopathological examination post-tumor enucleation revealed OM, emphasizing its noteworthy presence in clinical settings.

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Background: Although optical internal urethrotomy is popular among the urologists due to its simplicity and safety, urethroplasty is considered the gold standard treatment for urethral strictures. This study aims to determine the 1-year recurrence rate of urethral strictures after optical urethrotomy and identify predictors of recurrence in a tertiary center in Ethiopia.

Methods: A prospective observational cohort study was conducted on 80 male patients who underwent optical urethrotomy from November 2019 to August 2020 in a tertiary center in Ethiopia.

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Intrauterine device (IUD) is the second most widely used method of contraception worldwide. Up to 14% women prefer IUD for its attractive advantages such as cost effectiveness, high efficiency, and low complication rate. Despite these advantages, however, some complications may occur.

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Ureteral duplication is a common embryologic abnormality of the kidney with an incidence rate of 0.8% in adults. However, complete duplex ureters opening independently into the urinary bladder are rarely present.

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Supernumerary kidney is a rare anomaly of number where commonly a third extra kidney exists with its own collecting system, blood supply, and encapsulated parenchyma. However, an extremely rare and unique diagnosis of bilateral supernumerary kidneys is also reported in few instances where two extra kidneys exist on each side of the body. Parenchymal fusion and the presence of good excretory function make the supernumerary kidneys even rarer as many of the reported cases are rudimentary organs.

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