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[Reliability of CAT in the local staging of tumors of the upper urothelium].

Presentation of a retrospective study where the reliability of computerized axial tomography (CAT) used in preoperative local diagnostic definition of 20 upper urothelium tumours (UUT) radically treated between 1985 and 1991 is analyzed. Of them, only 70% were located by CAT and, of these, only 56% (45% of total) obtained a clear correlation with their local infiltration stage. Thus, it is concluded that CAT alone is not a good method for the preoperative evaluation of UUTs, at least when it comes to indicate their likely conservative treatment.