Scarring in the urethra, usually from trauma or infection, causes a constriction, which can obstruct the flow of urine from the bladder. Urethroplasty is a procedure which restores a normal calibre to the urethra. The scarred segment can either be completely excised, or reconstructed with a skin graft.
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This page was last updated at 1:29PM on May 30, 2019.