Table 3 Rheumatologic workup
From: Granulomatous mastitis, erythema nodosum, and polyarthritis: a case report
ANA | Negative |
p-ANCA (MPO) | Negative |
c-ANCA (PR 3) | Negative |
Smith antibody | < 1 |
Smith/RNP antibody | < 1 |
Ds DNA antibody | < 1 |
C3 complement (mg/dL) | 143 (83–193) |
C4 complement (mg/dL) | 39 (15–57) |
Rheumatoid factor | Negative |
Lysozyme (μg/mL) | 7.1 (5–11) |
Angiotensin-converting enzyme (U/L) | 25 (13–100) |
IgG (mg/dL) | 1434 (694–1618) |
IgA (mg/dL) | 272 (81–463) |
IgM (mg/dL) | 184 (48–271) |
IgE (kU/L) | 447 (≤ 114) |
IgG1 (mg/dL) | 763 (315–855) |
IgG2 (mg/dL) | 546 (64–495) |
IgG3 (mg/dL) | 32 (23–198) |
IgG4 (mg/dL) | 67.4 (11–157) |