| Fluid-flow antigens | Positive cases (n) | The total number of cases (n) | Positive rate (%) |
| CD19 | 2 | 166 | 1.2 |
| CD56 | 134 | 166 | 80.7 |
| CD38 | 166 | 166 | 100 |
| CD138 | 166 | 166 | 100 |
| CD45 | 5 | 166 | 3.0 |