Case Report
Very Early-Onset Inflammatory Bowel Disease (VEO-IBD) Presenting with Recurrent Leukocytoclastic Vasculitis Preceded by Streptococcal Pharyngitis
Table 2
Pertinent rheumatological and immunological laboratory results of our patient.
| | Parameter | Result | Normal range for age |
| | Rheumatoid factor | 8.6 | 0–11.9 IU/mL | | Serum IgA | 110.7 | 33.0–200.0 mg/dL | | Serum IgG | 1,436 | 608–1,229 mg/dL | | Serum IgM | 109.8 | 46.0–197.0 mg/dL | | C3 complement | 132.0 | 92.0–161.0 mg/dL | | C4 complement | 31.5 | 16.0–42.0 mg/dL | | Perinuclear antineutrophil cytoplasmic antibodies (p-ANCA) | Not detected | Not detected | | Diphtheria toxoid Ab IgG | 0.41 | >0.1 IU/mL | | Tetanus toxoid Ab IgG | 0.26 | >0.15 IU/mL | | Haemophilus influenzae B IgG Ab | 0.21 | ≥1.0 mg/L | | CD3+ T-cells | 40.7 | 53–83% | | CD19+ B-cells | 44.3 | 5–21% | | CD4+/CD3+ T-cells | 27.1 | 35–51% | | CD8+/CD3+ T-cells | 12.0 | 12–37% | | CD16+CD56+/CD3-natural killer | 12.9 | 1–11% |
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