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Indian Journal of Pathology and Microbiology
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CASE REPORT
Year : 2011  |  Volume : 54  |  Issue : 3  |  Page : 603-605

Parvovirus B19 presenting with persistent pancytopenia in a patient of T-ALL post induction chemotherapy diagnosed on bone marrow examination


1 Hematopathology Laboratory, Tata Memorial Hospital, Parel, Mumbai, India
2 Department of Pathology, Tata Memorial Hospital, Parel, Mumbai, India

Correspondence Address:
Seethalakshmi Viswanathan
Department of Pathology, Tata Memorial Hospital, Parel, Mumbai - 400 012
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0377-4929.85109

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Manifestations of parvovirus B19 vary even in the normal host from asymptomatic or subclinical infection to a spectrum of illness with symptoms during viremic and immune complex mediated stage of disease. We report the morphological findings of parvovirus B19 infection (confirmed on serology) in a patient of T-acute lymphoblastic lymphoma (T-ALL) who underwent induction phase of chemotherapy (MCP 842 protocol). Persistent pancytopenia in the bone marrow aspirate with mild increase in blasts was thought to be due to failure to achieve marrow remission. However, giant pronormoblasts with prominent intranuclear inclusions confirmed on trephine biopsy led to the suspicion of parvovirus B19 infection which was later confirmed on serology. This case is presented to report the rarely seen classical morphological feature of parvovirus infection on bone marrow examination which was incidentally the first investigation to diagnose the viremic phase of the infection, indicating that a high index of suspicion needs to be kept in mind while examining bone marrows of susceptible patients.


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