PMC8413883_01
Increased hemophagocytic activity on bone trephine, (a) 40X (b) 60X.
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PMC8413883_01_gr1.jpg
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Acute Dengue virus infection was confirmed (through Dengue IgM serology) and subsequent bone marrow biopsy analysis demonstrated increased hemophagocytic activity (Fig. 1) with positive immunohistochemical stains CD68 and CD31 (Fig. 2).