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Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 J+Clin+Virol 2001 ; 20 (3): 173-8 Nephropedia Template TP
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Chronic autoimmune thrombopenia/neutropenia in a boy with persistent parvovirus B19 infection #MMPMID11166667
Scheurlen W; Ramasubbu K; Wachowski O; Hemauer A; Modrow S
J Clin Virol 2001[Feb]; 20 (3): 173-8 PMID11166667show ga
OBJECTIVE: We report an 11-year-old boy presenting with splenomegaly, chronic thrombocytopenia and concordant neutropenia. RESULTS: In contrast to autoantibodies against platelets, there were no detectable neutrophil-specific autoantibodies present in this patient. Extensive serologic investigations revealed increased IgM- and IgG-antibody titers against parvovirus B19. A nested polymerase chain reaction (PCR) showed parvovirus B19-specific sequences in the patient's bone-marrow cells but not in the serum. Specific antibodies against the structural proteins VP1 and VP2 in addition to those against non-structural protein NS1 of parvovirus B19 were detected by Western blot analysis. Thrombocytopenia and neutropenia responded to immunosuppressive therapy and subsequent splenectomy, the latter being necessary due to severe side-effects of steroid medication. CONCLUSION: Autoimmune thrombocytopenia/neutropenia may have been triggered and/or sustained by a chronic parvovirus B19 infection. Patients with this very rare disorder should be screened for this virus.