Disseminated Mycobacterium tuberculosis: An Unusual Presentation with Associated Hemophagocytic Lymphohistiocytosis

Table 2

H Score criteria [14].

Parameter	Status	Score
Known underlying immunosuppression	No	0
	Yes	18
Organomegaly	No	0
	Hepatomegaly or splenomegaly	+23
	Hepatomegaly and splenomegaly	+38
Number of cytopenias	1 lineage	0
	2 lineages	+24
	3 lineages	+34
Ferritin, ng/mL (or μg/L)	<2000 = 0	0
	2000–6000	+35
	>6000	+50
Triglyceride, mg/dL (mmol/L)	<132.7 (<1.5)	0
	132.7–354 (1.5–4)	+44
	>354 (>4)	+64
Fibrinogen, mg/dL (g/L)	>250 (>2.5)	0
	<250 (<2.5)	+30
AST, U/L	<30	0
	>30	+19
Temperature, °F (°C)	<101.1 (38.4)	0
	101.1–102.9 (38.4–39.4)	+33
	>102.9 (>39.4)	+49
Hemophagocytosis in bone marrow aspirate	No	0
	Yes	+35