Table 1.
Patient demographics and CT features
| Patient | Sex | Age | IgG4 level before surgery (80-1400 mg/L) | Previous unilateral submandibular gland excision | Homogeneous or heterogeneous enhancement | Largest axial diameter of the gland (cm) | Other IgG4-related lesions during follow-up |
|---|---|---|---|---|---|---|---|
| 1 | F | 60 | 13900 | + | homogeneous | 2.81 | lacrimal glands, pancreas, mediastinal and abdominal lymphadenopathy |
| 2 | M | 55 | + | heterogeneous | 3.38 | pancreas | |
| 3 | F | 62 | - | heterogeneous | 3.07 | lacrimal glands | |
| 4 | M | 47 | - | homogeneous | 2.91 | ||
| 5 | M | 72 | - | heterogeneous | 3.27 | lung | |
| 6 | F | 79 | + | homogeneous | 3.33 | mediastinal and abdominal lymphadenopathy | |
| 7 | F | 47 | - | heterogeneous | 2.74 | ||
| 8 | F | 48 | 10100 | - | homogeneous | 2.82 | lacrimal glands |
| 9 | F | 79 | 8210 | + | homogeneous | 2.41 | lung, pancreas, liver and kidneys |
| 10 | F | 56 | - | homogeneous | 2.56 | ||
| 11 | F | 53 | 9990 | - | heterogeneous | 3.42 | pancreas and kidneys |
| 12 | F | 58 | - | heterogeneous | 3.56 | parotid gland | |
| 13 | F | 58 | - | homogeneous | 2.71 | ||
| 14 | F | 53 | - | heterogeneous | 2.97 | lacrimal glands and parotid gland | |
| 15 | F | 59 | - | homogeneous | 2.41 | ||
| 16 | F | 46 | + | heterogeneous | 3.41 | ||
| 17 | F | 56 | 3040 | - | homogeneous | 3.64 | lacrimal glands |
| 18 | M | 49 | - | homogeneous | 2.35 | ||
| 19 | F | 64 | - | heterogeneous | 3.33 | ||
| 20 | F | 58 | - | homogeneous | 2.39 | lacrimal glands |