The presence of calculi at the urethral level is a rare occurrence. Calculi can be formed both directly in the urethra (primary forms) through anatomical defects such as a urethral stricture or diverticulum, as well as secondary forms due to the movement of calculi from the kidneys, ureters or bladder to the urethra.
They are more frequent in adult patients with childhood hypospadias, occurring during the reconstruction of the urethra of the scrotal skin. The resulting hair growth inside the neourethra can cause deposits of concretions and the formation of calculi.
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Operation for Failed Hypospadias with Ventral Curvature