Scoring system for the diagnosis of chronic lymphoproliferative leukaemia (CLL)12
| Score points | ||
|---|---|---|
| Marker | 1 | 0 |
| Scores in CLL are >3 and in other B cell malignancies <3. | ||
| SmIg, surface immunoglobulins. | ||
| SmIg | Weak | Strong |
| CD5 | Positive | Negative |
| CD23 | Positive | Negative |
| FMC7 | Negative | Positive |
| CD22 or CD79b | Weak | Strong |