Acute obstruction of the upper urinary tract is usually treated by the insertion of a nephrostomy tube.
2.
Cancer can also block the ureters, which can be relieved by a nephrostomy or a ureteric stent.
3.
The most common cause of blockage necessitating a nephrostomy is cancer, especially ovarian cancer and colon cancer.
4.
"The late treatment of 63 patients with overlooked or complicated missile ureteral injuries : The promise of nephrostomy and the role of aurotransplantation : Journal of Urology, 156 : 1918 ( 1996 ).
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