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Clin Nephrol. 2014 Nov;82(5):332-6. doi: 10.5414/CN107977.

Disseminated adenoviral infection masquerading as lower urinary tract voiding dysfunction in a kidney transplant recipient.


Viral infections continue to cause significant morbidity in immunosuppressed kidney transplant patients. Although cytomegalovirus, Epstein-Barr virus and polyoma "BK" virus are more frequently encountered, the Adenovirus can cause multi-organ system infections, and may be difficult to diagnose because it is not often considered in the initial work up in kidney transplant recipients. We present an unusual case of a kidney recipient 1 year post-transplant with disseminated adenoviral infection, who had an initial presentation of lower urinary tract voiding dysfunction with hematuria and sterile pyuria. This progressed to a severe tubulointerstitial nephritis and acute kidney injury that improved with reduction of immunosuppression. Serial blood viral loads are useful for monitoring the course of infection. Urinary adenoviral infection should be considered in the differential diagnosis whenever a kidney transplant recipient presents with unexplained lower tract voiding dysfunction, hematuria, and sterile pyuria. The allograft kidney and bladder can be targets of viral proliferation. Early diagnosis with reduction of immunosuppressive therapy is essential to clear the virus and maintain allograft function.

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