Table 1. Our patient's biological findings.

Laboratory parameter	Test results	Reference range
Hemoglobin (g/dL)	12.4	11-13.5
White blood cell (/µL)	17,650	4,000-10,000
Lymphocyte (/µL)	2,790	2,000-4,000
Neutrophil (/µL)	13,550	1,500-7,000
Platelets (/µL)	423,000	150,000-400,000
C-reactive protein (mg/L)	100.35	<5
Sedimentation speed (mm/hour)	85	<20
Fibrinogen (g/L)	4.2	2-4
Ferritinemia (ng/mL)	107.4	15-150
Procalcitonin (ng/mL)	0.05	<0.5