Shared and divergent characteristics of CLL and MCL
| Characteristic . | CLL . | MCL . |
|---|---|---|
| Incidence*,4 | 5.1 | 0.8 |
| Hereditary susceptibility†,8 | 2.4- to 8.5-fold risk | 2-fold risk |
| Demographics1,4-7 | Elderly patients | |
| Males > Females | ||
| More common in Caucasians | ||
| Less frequent in Asians | ||
| Initial oncogenic events1 | del(13q), del(11q), tri(12), other (?) | t(11;14), SOX11 |
| Phenotype1 | ||
| SIg | Dim IgM, IgD | Strong IgM, IgD |
| CD5 | + | + |
| CD20 | Weak | Strong |
| CD23 | + | − |
| CD200 | + | − |
| Cytogenetic alterations1 | del(13q); del(11q); del(17p) | |
| t(11;14); del(9p); genomic instability | ||
| Somatic mutations66,67,116 | DNA damage response pathway (ATM, TP53) | |
| NF-κB pathway | ||
| NOTCH1 | NOTCH1/NOTCH2 | |
| SF3B1 and splicing machinery | Chromatin modifiers | |
| MYD88 | CDKN2A del | |
| MicroRNA dysregulation167 | miR-16-1, miR-29 a/b/c, miR-34a, miR-150, miR-155, miR-181 | |
| miR-15a, miR-21, miR-223, miR-650 | miR-17-92, miR-20b, miR-142-3p | |
| Characteristic . | CLL . | MCL . |
|---|---|---|
| Incidence*,4 | 5.1 | 0.8 |
| Hereditary susceptibility†,8 | 2.4- to 8.5-fold risk | 2-fold risk |
| Demographics1,4-7 | Elderly patients | |
| Males > Females | ||
| More common in Caucasians | ||
| Less frequent in Asians | ||
| Initial oncogenic events1 | del(13q), del(11q), tri(12), other (?) | t(11;14), SOX11 |
| Phenotype1 | ||
| SIg | Dim IgM, IgD | Strong IgM, IgD |
| CD5 | + | + |
| CD20 | Weak | Strong |
| CD23 | + | − |
| CD200 | + | − |
| Cytogenetic alterations1 | del(13q); del(11q); del(17p) | |
| t(11;14); del(9p); genomic instability | ||
| Somatic mutations66,67,116 | DNA damage response pathway (ATM, TP53) | |
| NF-κB pathway | ||
| NOTCH1 | NOTCH1/NOTCH2 | |
| SF3B1 and splicing machinery | Chromatin modifiers | |
| MYD88 | CDKN2A del | |
| MicroRNA dysregulation167 | miR-16-1, miR-29 a/b/c, miR-34a, miR-150, miR-155, miR-181 | |
| miR-15a, miR-21, miR-223, miR-650 | miR-17-92, miR-20b, miR-142-3p | |