Summary of the cytogenetic data of 330 SMZL cases included in the present study
| Cytogenetic finding . | SMZL patients, no. (%; n = 330) . |
|---|---|
| Abnormal/normal | 239/91 (72) |
| Single alteration | 68/239 (29) |
| 2 alterations | 44/239 (18) |
| 3 alterations or more | 127/239 (53) |
| +3 | 38 cases |
| +3q | 26 cases |
| Gain 3/3q | 60/239 (25) |
| +3/+3q as a sole alteration | 1/60 (2) |
| Alteration more frequently associated with +3 | |
| +18 | 12/38 (32) |
| +12 | 8/38 (21) |
| del(7q) | 94/239 (39) |
| del(7q) as a single alteration | 22/94 (23) |
| Structural alterations at 7q | 26/239 (11) |
| concurrent del(7q) and t(7q) | 8/94 (9) |
| +3/+3q and del(7q) | 17/94 (18) |
| t(14q32) | 29/239 (12) |
| del(6q) | 28/239 (11.7) |
| del(13q) | 12/239 (5) |
| t(8q24) | 5/239 (2) |
| +12 | 18/239 (8) |
| +18 | 25/239 (10) |
| Cytogenetic finding . | SMZL patients, no. (%; n = 330) . |
|---|---|
| Abnormal/normal | 239/91 (72) |
| Single alteration | 68/239 (29) |
| 2 alterations | 44/239 (18) |
| 3 alterations or more | 127/239 (53) |
| +3 | 38 cases |
| +3q | 26 cases |
| Gain 3/3q | 60/239 (25) |
| +3/+3q as a sole alteration | 1/60 (2) |
| Alteration more frequently associated with +3 | |
| +18 | 12/38 (32) |
| +12 | 8/38 (21) |
| del(7q) | 94/239 (39) |
| del(7q) as a single alteration | 22/94 (23) |
| Structural alterations at 7q | 26/239 (11) |
| concurrent del(7q) and t(7q) | 8/94 (9) |
| +3/+3q and del(7q) | 17/94 (18) |
| t(14q32) | 29/239 (12) |
| del(6q) | 28/239 (11.7) |
| del(13q) | 12/239 (5) |
| t(8q24) | 5/239 (2) |
| +12 | 18/239 (8) |
| +18 | 25/239 (10) |