title: A new technique for urethrography.
abstract: The male urethra can be demonstrated following intravenous urography by having the patient void against the partial obstruction produced by a penile clamp. The clamp is useful for both the normal or stenosed male urethra.
mesh_terms: D006801:Humans; D008297:Male; D014521:Urethra / Q000000981:diagnostic imaging*; D014525:Urethral Stricture / Q000000981:diagnostic imaging; D014567:Urography / Q000295:instrumentation / Q000379:methods*