Histologic Categorization and Age Distribution of ALK-Positive Lymphomas
| Histopathology . | Total . | Children . | Adult . |
|---|---|---|---|
| ALCL common | 78 | 48 | 27 |
| ALCL lymphohistiocytic | 14 | 9 | 5 |
| ALCL small-cell variant | 7 | 4 | 3 |
| ALCL giant cell | 2 | 1 | 1 |
| ALCL mixed | 17 | 10 | 4 |
| Unclassifiable | 5 | 2 | 3 |
| Total | 123 | 74 | 43 |
| Histopathology . | Total . | Children . | Adult . |
|---|---|---|---|
| ALCL common | 78 | 48 | 27 |
| ALCL lymphohistiocytic | 14 | 9 | 5 |
| ALCL small-cell variant | 7 | 4 | 3 |
| ALCL giant cell | 2 | 1 | 1 |
| ALCL mixed | 17 | 10 | 4 |
| Unclassifiable | 5 | 2 | 3 |
| Total | 123 | 74 | 43 |