Needle nephrostomy.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002675:Child, Preschool; D004322:Drainage; D005260:Female; D006801:Humans; D007682:Kidney Pelvis / Q000601:surgery*; D008297:Male; D008722:Methods; D008875:Middle Aged; D009339:Needles; D011471:Prostatic Neoplasms / Q000150:complications; D014517:Ureteral Obstruction / Q000209:etiology / Q000601:surgery*; D001749:Urinary Bladder Neoplasms / Q000150:complications; D002583:Uterine Cervical Neoplasms / Q000150:complications