A Nonseminomatous Germ Cell Tumor Presenting as a Mixed Cryoglobulinemic Vasculitis

Table 1

Laboratory values.

Variable	3 months before evaluation	On hospital admission	4 months after admission	7 months after admission	Reference range
Hemoglobin (g/dL)	15	18.2	17.2	16.7	13-1-18.1
White cell count (per mm^3)	6.2	4.1	11	10.5	3.9-10.1
Platelet count (per mm^3)	174	172	158	170	147-402
Creatinine (mg/dL)	1.1	0.94	1.08	1.08
C3 complement (mg/dL)	122	145.8	182		87-200
C4 complement (mg/dL)	9.5	16.7	22	32	19-52
Rheumatoid factor (UI/mL)	17		7.9	<10	0-14
Cryoglobulins (%)	—	6%	0%	2%	≤1
Hepatitis B surface antigen		Negative			Negative
Hepatitis C antibody		Negative			Negative
Erythrocyte sedimentation rate (mm/Hr)		4			2-30
C-reactive protein (mg/L)	98	33	12		<10
LDH (U/L)		269	182	210	140-271
MPO (U/mL)		1.3	1.2	—	≤2.0
PR3 (U/mL)		2	2	—	≤2.0
ANA		Negative			≤1 : 20
ANCA		1 : 20			≤1 : 20
Anti-SM		<1			<1
Anti-dsDNA		<1			<1
Anti-SSA (U/mL)		6.4			≤9.1
Anti-SSB (U/mL)		5.3			≤7.0
Beta-hCG (mUI/mL)	933	2764	5764	7825	0.5-2.67
Alpha-fetoprotein (ng/mL)	1.28	1.36	1.96	1.47	0-9
CA 19-9	8				<34
CEA (ng/mL)	1.43				<9
Proteinuria (mg/day)	606	311			<150

ANA: antinuclear antibody by indirect immunofluorescence; ANCA: antineutrophil cytoplasmic antibodies; Anti-dsDNA: antidouble stranded DNA; CA 19-9: carbohydrate antigen 19-9; CEA: carcinoembryonic antigen; beta-hCG: beta-human chorionic gonadotropin; LDH: lactate dehydrogenase; PR3: proteinase 3; MPO: myeloperoxidase.