[Hydronephrosis due to narrowing of the pyelo-ureteral transition area].
D000293:Adolescent; D000328:Adult; D005260:Female; D006801:Humans; D006869:Hydronephrosis / Q000209:etiology* / Q000601:surgery; D008297:Male; D008875:Middle Aged; D014525:Urethral Stricture / Q000150:complications* / Q000601:surgery
Hydronefrose door vernauwing van de overgang van het pyelum in de ureter.