PMC5388930_01
Trend of laboratory results. D: Day of illness; WBC: Total white blood count (mm-3); PC: Platelet count (mm-3): AST: aspartate transaminase (IU/L); ALT: alanine transaminase (IU/L); Fe: ferritin (mg/L). All units are converted to Log10scale in the figure.
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Serum ferritin level done at day 2 of admission was 75031 ng/ml (RV: 30-400 ng/ml) (Fig. 1).Serum procalcitonin level at admission was 2 ng/dl (RV: <0.5 ng/ml) which was indicative of bacterial sepsis.
Bone marrow aspirate showing macrophage with marked hemophagocytic activity.
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Bone marrow study showed normocellular reactive marrow with evidence of macrophage activation and hemophagocytosis (Fig. 2).