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Intravesical Ureterocele Presenting Bladder Outlet Obstruction in an Adult Male

Large ureteroceles in adult males causing bladder outlet obstruction are rare. We report a case of a large intravesical orthotopic ureterocele in an adult male presenting as acute urinary retention. Incisional transurethral endoscopy was successful with decompression of ureteral end obstruction, enabling smooth urination immediately and no occurrence of vesicoureteral reflux.