[Palliative nephrostomy in kidney congestion due to kidney neoplasms. Ethical aspects in decision making].

The decision to perform a percutaneous nephrostomy in a tumor patient with bilateral ureteral obstruction or not, must be taken very carefully and critically, according to the individual prognosis. It should be stressed that under certain circumstances it thoroughly corresponds with our ethical rules and the law to renounce the technical solution in favour of a humane dying.