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  • Title: Acute human parvovirus b19 infection: cytologic diagnosis.
    Author: Sharada Raju R, Nalini Vinayak K, Madhusudan Bapat V, Preeti Balkisanji A, Shaila Chandrakant P.
    Journal: Indian J Hematol Blood Transfus; 2014 Sep; 30(Suppl 1):133-4. PubMed ID: 25332559.
    Abstract:
    Human parvovirus B19 is highly tropic to human bone marrow and replicates only in erythroid progenitor cells. It is causative agent of transient aplastic crisis in patients with chronic haemolytic anemia. In immunocompromised patients persistent parvovirus B19 infection may develop and it manifests as pure red cell aplasia and chronic anaemia. Bone marrow is characterised morphologically by giant pronormoblast stage with little or no further maturation. We encountered a case of 6 year old HIV positive male child presented with pure red cell aplasia due to parvovirus B19 infection. Bone marrow aspiration cytology revealed giant pronormoblast with prominent intranuclear inclusions led to suspicion of parvovirus B19 infection which was confirmed by DNA PCR. This case is presented to report classical morphological features of parvovirus B19 infection rarely seen on bone marrow examination should warrant the suspicion of human parvovirus B19 infection in the setting of HIV positive patient with repeated transfusions and confirmation should be done by PCR.
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