Table 1.
Histological findings, location of biopsy, and correlative maximum serum IgG4 levels
| Patient no. | Maximum serum IgG4 levels (mg/dL) | Site of histology | IgG4 (HPF) | IgG4+/IgG+Ratio | Histology findings |
|---|---|---|---|---|---|
| 1 | 340 | Kidneys | >30 | >40% | Storiform fibrosis, lymphoplasmocytic infiltrate |
| 2 | 159 | Right iliac artery | >50 | 50% | Storiform fibrosis, lymphoplasmocytic infiltrate |
| 3 | 193 | Submandibular gland | >20 | 50% | Storiform fibrosis, lymphoplasmocytic infiltrate |
| 4 | 158 | Periaortic mass | >200 | >40% | Storiform fibrosis, lymphoplasmocytic infiltrate |
| 5 | 340 | Lacrimal gland and breast | >100 | >40% | Storiform fibrosis, lymphoplasmocytic infiltrate |
| 6 | 233 | Pancreas FNA | >30 | >40% | Fibrosis, lymphoplasmocytic infiltrate, phlebitis |
| 7 | 128 | Left lung mass | >50 | >40% | Storiform fibrosis, lymphoplasmocytic infiltrate |
| 8 | 340 | Cervical lymph node | >50 | 70% | Storiform fibrosis |
| 9 | 52 | Lacrimal gland | >100 | >40% | Storiform fibrosis, lymphoplasmocytic infiltrate |
| 10 | 285 | Pancreas | * | * | Storiform fibrosis |
| 11 | 285 | Pancreas | >50 | >40% | Storiform fibrosis, lymphoplasmocytic infiltrate |
| 12 | 126 | Pancreas | >30 | >40% | Storiform fibrosis, lymphoplasmocytic infiltrate |
FNA: fine needle aspirate
HPF: high powered field
*: figure not available