An Unusual Case of Systemic Lupus Erythematosus and Hemophagocytic Syndrome

Table 3

Autoimmune and infectious workup.

Variable	Measurement	Reference range
ANA	Positive	Negative
ANA, quantitative	1 : 160	Negative
ANA, pattern	Speckled	Negative
ds DNA ab IgG Titer	300 or greater	0–29 IU/ML
C3	23	90–180 mg/dL
C4	3	10–40 mg/dL
Anti-Smith (Sm) interp.	Negative	Negative
SM-RNP antibodies interp.	Negative	Negative
SM-RNP ab interp.	Negative	Negative
Smith (ENA) ab, IgG	0.8	<16.00 EU/mL
SSA (Sjogren ab)	0.7	<16.00 EU/mL
SSB (Sjogren ab)	1	<16.00 EU/mL
Ribosomal P ab	<1.0	Negative
Smooth muscle ab	Negative	Negative
LKM 1 ab IgG	<20.0 U	Negative
GBM ab IgG	<1.0	<1.0 AI no antibody detected
Histone ab	1.2	<1.0 U negative
Cardiolipin ab IgM	24	Low to medium positive
Cardiolipin ab IgG	20	Indeterminate
β2-Glycoprotein I IgM	Negative	Negative
β2-Glycoprotein I IgA	9	Negative
ANCA vasculitides
Proteinase 3 ab	<1.0	<1.0
Myeloperoxidase ab	<1.0	<1.0
Hep A ab, IgM	Nonreactive	Nonreactive
Hep A ab, total	Nonreactive	Nonreactive
Hep B sAg	Negative	Negative
Hep B Core ab, total	Reactive	Nonreactive
Hep BS ab	Reactive	Nonreactive
Hep C ab	Negative	Negative
HIV 1/2 ab screen, rapid	Nonreactive	Nonreactive
Cytomegalovirus, IgM	0.7	<0.9
Cytomegalovirus, Igg	Negative	Negative
EBV, DNA, QN, and PR-PCR	<200 COPIES/ML	Negative
Syphilis Screen Titer	Nonreactive	Nonreactive
Lyme Disease ab Screen	0.58	<0.91
RMSF IgM and IgG	Not detected	Not detected
B. Quintana IgM Scr	Negative	Negative
B. Quintana IgG Scr	Negative	Negative
B. Henselae ab IgG	Negative	Negative
Brucella IgG	0.16	<0.80 antibody not detected
Brucella IgM	0.07	<0.80 antibody not detected
AFB culture	Negative	Negative
Fungal culture	Negative	Negative
Viral culture	No virus isolated after 4 days	Negative
Gram stain	Few 2+ PMN no organisms	Negative
Bacterial culture	No growth	Negative