title: Functional evaluation of anterior urethral strictures with combined antegrade and retrograde urethrography.
abstract: The merits of radiological examination for functional evaluation of urethral strictures of the anterior male urethra were studied by comparing the results of combined retro- and antegrade urethrography with the patient's maximum urinary flow-rate. A correlation was found between stricture diameter and maximum flow-rate (r=0.67) and a still higher correlation between the ratio stricture diameter-prestenotic urethral diameter and the flow-rate (r=0.73). A low but significant (p less than 0.05) negative correlation was obtained between the prestenotic urethral diameter and the flow-rate (r=0.25).
mesh_terms: D000328:Adult; D000368:Aged; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D014521:Urethra / Q000000981:diagnostic imaging*; D014525:Urethral Stricture / Q000000981:diagnostic imaging* / Q000473:pathology / Q000503:physiopathology; D014563:Urodynamics