Immunophenotypic and molecular characteristics of patients with non–VH4-34 HCL (n = 56)
| . | CD19 . | CD20 . | CD22 . | CD25 . | CD11C . | CD5 . | CD10 . | CD23 . | FMC7 . | CD103 . | CD123 . |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Evaluable | 56 | 56 | 56 | 56 | 56 | 50 | 49 | 52 | 52 | 56 | 29 |
| Bright + (+++) | 1 | 56 | 56 | 40 | 56 | 2 | |||||
| Positive (++) | 54 | 16 | 2 | 2 | 50 | 54 | 27 | ||||
| Dim + (+) | 1 | 2 | 2 | ||||||||
| Dim to negative (+/−) | 1 | 1 | |||||||||
| Part positive (P+) | 5 | 1 | 3 | 2 | |||||||
| Negative (−) | 44 | 44 | 46 |
| . | CD19 . | CD20 . | CD22 . | CD25 . | CD11C . | CD5 . | CD10 . | CD23 . | FMC7 . | CD103 . | CD123 . |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Evaluable | 56 | 56 | 56 | 56 | 56 | 50 | 49 | 52 | 52 | 56 | 29 |
| Bright + (+++) | 1 | 56 | 56 | 40 | 56 | 2 | |||||
| Positive (++) | 54 | 16 | 2 | 2 | 50 | 54 | 27 | ||||
| Dim + (+) | 1 | 2 | 2 | ||||||||
| Dim to negative (+/−) | 1 | 1 | |||||||||
| Part positive (P+) | 5 | 1 | 3 | 2 | |||||||
| Negative (−) | 44 | 44 | 46 |
One patient had monophasic light chain. Median patient age = 45 years; male/female = 50:6; κ/λ light chain = 25:31; TRAP +:− = 38:1.
HCL indicates classic hairy cell leukemia; and TRAP, tartrate-resistant acid phosphatase stain.