Objective To compare the clinical significance of dynamic surveillance of CMV-DNA in urine,plasma and leukocyte in renal transplant recipients by RT-PCR.Methods CMV-DNA in urine,plasma and leukocyte was dynamically determined in 56 renal transplant patients by RT-PCR,and the positive rate,variation of viral load and the relativity with CMV interstitial pneumonia(CMV-IP) were compared.Results Positive rates of CMV-DNA in urine,plasma and leukocyte were 87.5%,85.7% and 92.5%,respectively.The sensitivity,speci...