Immunophenotypical features of the present series analyzed by flow cytometry (FCM) in comparison with our control group of SMZL and with published data in HCL-V36 and HCL39
No. of cases studied by flow cytometry in PB or spleen . | Nonvillous SMZL (control group) . | SRPLBL (present series) . | HCL-V* . | HCL* . | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
43 . | 37 . | 52 . | 25 . | |||||||||
Positive/tested . | % . | FCM intensity . | Positive/tested . | % . | FCM intensity . | Positive/tested . | % . | Intensity . | Positive/tested . | % . | FCM intensity . | |
CD5 | 13/42 | 31 | Variable | 5/37 | 14 | Faint | 0/52 | 0 | — | 0/25 | 0 | — |
CD23 | 14/42 | 33 | Faint | 1/37 | 3 | — | 0/52 | 0 | — | 3/24 | 13 | — |
CD43** | 6/39 | 15 | Faint | 5/31 | 16 | Faint | ND | — | — | ND | — | |
CD123 | 0/3 | 0 | — | 3/19 | 16 | Faint | 1/11 | 9 | — | 22/23 | 95 | High |
CD103 | 0/27 | 0 | — | 13/34 | 38 | Variable | 18/30 | 60 | Faint to moderate | 25/25 | 100 | High |
CD11c | 11/33 | 33 | Faint | 36/37 | 97 | Moderate | 45/52 | 87 | Faint to moderate | 25/25 | 100 | High |
CD25 | 3/26 | 12 | Variable | 1/37 | 3 | Faint | 5/52 | 10 | — | 24/25 | 96 | High |
CD27 | 8/9 | 89 | — | 4/21 | 19 | — | ND | — | — | 0/17 | 0 | — |
CD38 | 9/31 | 29 | — | 1/36 | 3 | — | 8/52 | 15 | — | ND | — | — |
CD76 | 7/26 | 43 | — | 32/37 | 86 | — | ND | — | — | ND | — | — |
SmIgM | 17/39 | 44 | — | 7/36 | 19 | — | IgG most common (two- thirds of cases), alone or in combination with other heavy chain | IgG or multiple heavy-chain isotype (all classes expressed except IgE; IgG3 most frequent) | ||||
SmIgG | 5/39 | 13 | — | 7/36 | 19 | — | ||||||
SmIgM + D | 15/39 | 38 | — | 11/36 | 31 | — | ||||||
SmIgM + G | 3/39 | 8 | — | 7/36 | 19 | — | ||||||
SmIgG + D | 1/39 | 3 | — | ND | — | — | ||||||
SmIgkappa/lambda | 1.62 | 0.9 | 0.75 | 1 | ||||||||
SmIgkappa | 26/42 | 62 | — | 18/37 | 49 | — | 18/42 | 43 | — | 12/25 | 48 | — |
SmIglambda | 16/42 | 38 | — | 19/37 | 51 | — | 24/42 | 57 | — | 13/25 | 52 | — |
ANXA1*** | 0/48 | 0 | — | 0/12 | 0 | — | 0/12 | 0 | — | 62/62 | 100 | — |
No. of cases studied by flow cytometry in PB or spleen . | Nonvillous SMZL (control group) . | SRPLBL (present series) . | HCL-V* . | HCL* . | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
43 . | 37 . | 52 . | 25 . | |||||||||
Positive/tested . | % . | FCM intensity . | Positive/tested . | % . | FCM intensity . | Positive/tested . | % . | Intensity . | Positive/tested . | % . | FCM intensity . | |
CD5 | 13/42 | 31 | Variable | 5/37 | 14 | Faint | 0/52 | 0 | — | 0/25 | 0 | — |
CD23 | 14/42 | 33 | Faint | 1/37 | 3 | — | 0/52 | 0 | — | 3/24 | 13 | — |
CD43** | 6/39 | 15 | Faint | 5/31 | 16 | Faint | ND | — | — | ND | — | |
CD123 | 0/3 | 0 | — | 3/19 | 16 | Faint | 1/11 | 9 | — | 22/23 | 95 | High |
CD103 | 0/27 | 0 | — | 13/34 | 38 | Variable | 18/30 | 60 | Faint to moderate | 25/25 | 100 | High |
CD11c | 11/33 | 33 | Faint | 36/37 | 97 | Moderate | 45/52 | 87 | Faint to moderate | 25/25 | 100 | High |
CD25 | 3/26 | 12 | Variable | 1/37 | 3 | Faint | 5/52 | 10 | — | 24/25 | 96 | High |
CD27 | 8/9 | 89 | — | 4/21 | 19 | — | ND | — | — | 0/17 | 0 | — |
CD38 | 9/31 | 29 | — | 1/36 | 3 | — | 8/52 | 15 | — | ND | — | — |
CD76 | 7/26 | 43 | — | 32/37 | 86 | — | ND | — | — | ND | — | — |
SmIgM | 17/39 | 44 | — | 7/36 | 19 | — | IgG most common (two- thirds of cases), alone or in combination with other heavy chain | IgG or multiple heavy-chain isotype (all classes expressed except IgE; IgG3 most frequent) | ||||
SmIgG | 5/39 | 13 | — | 7/36 | 19 | — | ||||||
SmIgM + D | 15/39 | 38 | — | 11/36 | 31 | — | ||||||
SmIgM + G | 3/39 | 8 | — | 7/36 | 19 | — | ||||||
SmIgG + D | 1/39 | 3 | — | ND | — | — | ||||||
SmIgkappa/lambda | 1.62 | 0.9 | 0.75 | 1 | ||||||||
SmIgkappa | 26/42 | 62 | — | 18/37 | 49 | — | 18/42 | 43 | — | 12/25 | 48 | — |
SmIglambda | 16/42 | 38 | — | 19/37 | 51 | — | 24/42 | 57 | — | 13/25 | 52 | — |
ANXA1*** | 0/48 | 0 | — | 0/12 | 0 | — | 0/12 | 0 | — | 62/62 | 100 | — |