This paper reviews current concepts and controversies in regard to the
classification, clinical findings, imaging techniques, and management
of upper urinary tract trauma. The impact of CT, and especially spira
l CT, in differentiating significant from nonsignificant renal trauma
is reviewed. The controversy in regard to the correct approach. to the
management of any significant renal trauma (i.e., conservative vs. ag
gressive therapy) as well as the differences in opinion as to the appr
opriate treatment between blunt and penetrating trauma are also review
ed.