Chronic hepatitis B triggering antineutrophil cytoplasmic antibody-associated vasculitis complicated by glomerulonephritis: A case report

Table 1 Laboratory data at the time of initial hospitalization

Items	Result	Reference values
Sedimentation (mm/hour)	91	0-28
CRP (mg/L)	27.66	0-6
WBC (× 109/L)	8.95	3.5-9.5
Neutrophils	6.97	1.8-6.3
PLT (× 109/L)	167	125-350
Hb (g/L)	106	130-175
D-dimer (mg/L)	5.65	< 0.55
PCT (ng/mL)	0.215	< 0.045
Albumin (g/L)	22.9	40-55
Serum creatinine (mol/L)	387	57-111
Blood urea nitrogen (mmol/L)	16.8	3.1-9.5
24-hour urine protein (g/L)	12.397	<0.15
Proteinuria	+++	Negative
Hematuria	+++	Negative
Cholesterol (mmol/L)	9.24	< 6.22
Triglyceride (mmol/L)	2.74	< 1.7
AFP (ng/mL)	7.98	< 7

CRP: C-reactive protein; WBC: White blood cell; PLT: Platelet; Hb: Hemoglobin; PCT: Procalcitonin; AFP: Alpha fetoprotein.

Table 2 Autoimmune work-up

Items	Result	Reference values
ANA antibody	1:160 (+)	Negative
Anti-SS-A	±	Negative
Anti-dsDNA	Negative	Negative
Anti-SM	Negative	Negative
Anticardiolipin IgG (GPLU/mL)	57.7	0-8
C3 (g/L)	0.88	0.79-1.52
C4 (g/L)	0.4	0.16-0.38
p-ANCA	+	Negative
Anti-MPO	+	Negative
IgG4 (g/L)	4.52	0.03-2.01
Lupus anticoagulant	Negative	Negative
Anti-β2 glycoprotein 1 antibody	Negative	Negative
Serum anti-phospholipase A2 receptor antibody	Negative	Negative
HBsAg(ng/mL)	0.01	0-0.5
HBsAb (MIU/mL)	99.23	0-10
HBeAg (PEIU/mL)	0.01	< 0.1
HBeAb (PEIU/mL)	0.02	< 0.15
HBcAb (PEIU/mL)	3.06	< 0.7
HBV-DNA (IU/mL)	< 20	< 20

ANA: Antinuclear antibody; SS-A: Sjögren’s syndrome A; SM: Smith; p-ANCA: Perinuclear antinuclear cytoplasmic antibody; MPO: Myeloperoxidase.