Case Report

A Nonseminomatous Germ Cell Tumor Presenting as a Mixed Cryoglobulinemic Vasculitis

Table 1

Laboratory values.

Variable3 months before evaluationOn hospital admission4 months after admission7 months after admissionReference range

Hemoglobin (g/dL)1518.217.216.713-1-18.1
White cell count (per mm3)6.24.11110.53.9-10.1
Platelet count (per mm3)174172158170147-402
Creatinine (mg/dL)1.10.941.081.08
C3 complement (mg/dL)122145.818287-200
C4 complement (mg/dL)9.516.7223219-52
Rheumatoid factor (UI/mL)177.9<100-14
Cryoglobulins (%)6%0%2%≤1
Hepatitis B surface antigenNegativeNegative
Hepatitis C antibodyNegativeNegative
Erythrocyte sedimentation rate (mm/Hr)42-30
C-reactive protein (mg/L)983312<10
LDH (U/L)269182210140-271
MPO (U/mL)1.31.2≤2.0
PR3 (U/mL)22≤2.0
ANANegative≤1 : 20
ANCA1 : 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)9332764576478250.5-2.67
Alpha-fetoprotein (ng/mL)1.281.361.961.470-9
CA 19-98<34
CEA (ng/mL)1.43<9
Proteinuria (mg/day)606311<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.