Cytomegalovirus (CMV) is regarded as a predominant infectious agent in
solid organ transplants. CMV disease has highly protean clinical mani
festations. Nevertheless, urinary tract involvement seems to be very r
are during CMV infection. We report two cases of renal transplant reci
pients in whom ureteral stricture developed in the course of CMV disea
se. Histologic data were available or them and were consistent with CM
V infection, We discuss previous case reports and propose physiopathol
ogic mechanisms.