[Polyp of the posterior urethra in children, unusual cause of obstruction of the lower urinary apparatus].
D002675:Child, Preschool; D006801:Humans; D008297:Male; D011127:Polyps; D012737:Sex Factors; D014522:Urethral Diseases
Polype de l'urètre postérieur chez l'enfant, cause rare d'obstruction du bas appareil urinaire.