Table 1.
Laboratory Findings on Admission.
| Hematology | Immunological test | |||||||
| WBC | 4.5 | 103/μL | Anti-nuclear antibody | 2,560×(speckled) | ||||
| RBC | 2.44 | 106/μL | Anti-RNP antibody | 206.1 | ||||
| Hb | 7.5 | g/dL | Anti-SM antibody | (-) | ||||
| Ht | 22.7 | % | Anti-Scl-70 antibody | (-) | ||||
| PLT | 5.4 | 104/μL | Anti-centromere antibody | (-) | ||||
| Reticulocyte | 2.45 | % | anti-RNA-polymerase III antibody | (-) | ||||
| Schistocytes on blood smear | (+) | Anti-double stranded-DNA antibody | (-) | |||||
| Coagulation | Anti-cardiolipin antibody | (-) | ||||||
| PT-INR | 1.01 | Lupus anticoagulant | (-) | |||||
| APTT | 36.9 | sec | MPO-ANCA | <1.0 | U/mL | |||
| Fibrinogen | 422 | mg/dL | PR3-ANCA | 16.6 | U/mL | |||
| FDP | 5.0 | μg/mL | Anti-GBM antibody | (-) | ||||
| vWF antigen | 361 | % | Direct Coombs test | (-) | ||||
| Biochemistry | Indirect Coombs test | (-) | ||||||
| TP | 6.0 | g/dL | ADAMTS13 activity | 60.3 | % | |||
| Alb | 2.8 | g/dL | ADAMTS13 inhibitor | <0.5 | % | |||
| T-Bil | 0.8 | mg/dL | Thrombomodulin (reference range: 2.1-4.1) | 6.5 | FU/mL | |||
| AST | 32 | IU/L | Plasma | |||||
| ALT | 21 | IU/L | Plasma renin activity (reference range: 0.2-2.7) | 10.0 | ng/mL/hr | |||
| LDH | 527 | IU/L | Infection | |||||
| ALP | 247 | IU/L | Nasopharyngeal swab | Influenza B (+) | ||||
| γ-GTP | 46 | IU/L | Anti-HBs antigen | (-) | ||||
| CK | 87 | IU/L | Anti-HBs antibody | (-) | ||||
| UA | 6.5 | mg/dL | Anti-HCV antibody | (-) | ||||
| BUN | 39 | mg/dL | Urinalysis | |||||
| Cre | 2.91 | mg/dL | Protein | (2+) | ||||
| eGFR | 20.35 | mL/min/1.73m2 | Occult blood | (2+) | ||||
| Na | 133 | mEq/L | Sediment | |||||
| K | 3.2 | mEq/L | RBC/HPF | 1-2 | cells/HPF | |||
| Cl | 101 | mEq/L | WBC/HPF | <1 | cells/HPF | |||
| CRP | 1.85 | mg/dL | Granular cast | 3-4 | cast/WF | |||
| Ferritin | 494 | μg/dL | UPCR | 3.3 | g/gCr | |||
| Haptoglobin | <5.0 | mg/dL |
γ-GTP: γ-glutamyltransferase, ADAMTS13: a disintegrin and metalloprotease with thrombospondin type-1 repeats: member 13, Alb: albumin, ALP: alkaline phosphatase, ALT: alanine transaminase, APTT: activated partial thromboplastin time, AST: aspartate transaminase, BUN: blood urea nitrogen, Ca: calcium, CK: creatinine kinase, Cl: chlorine, Cre: creatinine, CRP: C-reactive protein, eGFR: estimate glomerular filtration rate, FDP: fibrin/fibrinogen degradation product, GBM: glomerular basement membrane, Hb: hemoglobin, HBc: hepatitis B core, HBs: hepatitis B surface, HCV: hepatitis C virus, Ht: hematocrit, K: potassium, LDH: lactate dehydrogenase, MPO-ANCA: myeloperoxidase anti-neutrophil cytoplasmic antibody, Na: sodium, PLT: platelets, PR3-ANCA: proteinase-3 anti-neutrophil cytoplasmic antibody, PT-INR: international normalized ratio of prothrombin time, RBC: red blood cells, T-bil: total bilirubin, TIBC: total iron-binding capacity, TP: total protein, UA: uric acid, UPCR: urine protein to creatinine ratio, vWF: von Willebrand factor, WBC: white blood cells