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Leukophagocytosis in human parvovirus B19‐induced transient bicytopenia in a healthy child

A previously healthy 11 year old boy had transient leukopenia and thrombocytopenia associated with human parvovirus B19 (B19) infection. This case suggested that low‐grade hemophagocytosis can be involved in developing B19‐related cytopenia even in an otherwise healthy child. Bone marrow aspiration at an early stage could reveal the underlying mechanism of B19‐related cytopenia.