Abstract:
:Hemorrhagic cystitis is a well known complication of allogeneic bone marrow transplantation (BMT) and is normally attributed to the use of high-dose cyclophosphamide in the preparative regimen. Hemorrhagic cystitis occurring late after BMT is unlikely to be due to the effects of this conditioning, and probably has an infective etiology. Three patients undergoing BMT for chronic granulocytic leukemia (CGL) developed terminal dysuria and hematuria at 38, 56, and 149 days post-BMT. Electron microscopy (EM) of urine voided at these times revealed large numbers of papovavirions, which were subsequently identified as BK virus. Urine samples inoculated onto human embryonic lung fibroblasts induced infection of the cells and replication of the virus as detected by EM of tissue culture fluid. Urine from one of these patients was examined by standard cytological techniques, and EM of urothelial cells showed nuclear inclusions consisting of nonencapsulated virus particles of diameter 40 nm, consistent with papovavirus. Five further patients were found to be excreting BK virus without symptoms of cystitis, although one of these patients did experience abnormalities of liver function that were otherwise unexplained. BK virus has already been implicated in hepatic dysfunction posttransplant, and in cystitis in nonimmunosuppressed children. We postulate that it may also be involved in the etiology of late hemorrhagic cystitis after BMT.
journal_name
Transplantationjournal_title
Transplantationauthors
Apperley JF,Rice SJ,Bishop JA,Chia YC,Krausz T,Gardner SD,Goldman JMdoi
10.1097/00007890-198701000-00024subject
Has Abstractpub_date
1987-01-01 00:00:00pages
108-12issue
1eissn
0041-1337issn
1534-6080journal_volume
43pub_type
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