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J Clin Virol. 2016 Mar;76:4-7. doi: 10.1016/j.jcv.2015.12.008. Epub 2015 Dec 30.

Simultaneous BK Polyomavirus (BKPyV)-associated nephropathy and hemorrhagic cystitis after living donor kidney transplantation.

Author information

1
Transplantation and Liver Surgery, University of Helsinki and Helsinki University Hospital, PO Box 372, FI 00029HUS, Helsinki, Finland. Electronic address: Ilkka.helantera@helsinki.fi.
2
Transplantation and Clinical Virology, Department of Biomedicine, University of Basel, Petersplatz 10, CH-4009 Basel, Switzerland; Infectious Diseases & Hospital Epidemiology, University Hospital Basel, Petersgraben 4, CH-4031 Basel, Switzerland.
3
Department of Nephrology, University of Helsinki and Helsinki University Hospital, PO Box 372, FI 00029HUS, Helsinki, Finland.
4
Transplantation and Liver Surgery, University of Helsinki and Helsinki University Hospital, PO Box 372, FI 00029HUS, Helsinki, Finland.
5
Department of Pathology, University of Helsinki and Helsinki University Hospital (HUSLAB), PO Box 400, FI 00029HUS Helsinki, Finland.
6
Department of Virology, University of Helsinki and Helsinki University Hospital (HUSLAB), PO Box 400, FI 00029HUS, Helsinki, Finland.

Abstract

BK polyomavirus (BKPyV) commonly reactivates after kidney transplantation, and can cause polyomavirus-associated nephropathy (PyVAN), whereas after allogeneic stem cell transplantation the most frequent manifestation of BKPyV is polyomavirus-associated hemorrhagic cystitis (PyVHC). Despite high-level BKPyV replication in both, the pathogenesis and manifestation of both BKPyV entities appears to differ substantially. We describe an unusual case of simultaneous PyVAN and PyVHC presenting with acute symptoms in a BKPyV-IgG positive recipient eight months after kidney transplantation from a haploidentical living donor, who was BKPyV-IgG negative. Symptoms of cystitis and viremia subsided rapidly after reduction of immunosuppression.

KEYWORDS:

BK polyomavirus; Kidney transplantation; Polyomavirus-associated hemorrhagic cystitis; Polyomavirus-associated nephropathy

PMID:
26771744
DOI:
10.1016/j.jcv.2015.12.008
[Indexed for MEDLINE]

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