Table 2.
Pathological characteristics of patient samples
| Patient ID | Sample analyzed | Region of biopsy | Recurrence site | Systemic treatment before sampling | Elapsed time from diagnosis (mo) | Growth pattern | CD10 | BCL2 | Ki67 | IGH:BCL2 translocation | 1p36 deletion FISH | IGH rearrangement |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Case #1 | Primary | Head and neck | - | No | 0 | Nodular | + | + | 10% | - | - | Nonclonal |
| Case #2 | Primary | Chest | - | No | 0 | Nodular | − | − | 50% | - | - | Clonal |
| Case #3 | Primary | Upper back | - | No | 0 | Mixed | − | − | 40% | Failed | - | Nonclonal |
| Case #4 | Recurrence | Chest | Local | No | 27 | Nodular | + | − | 80% | - | + | No product |
| Case #5 | Primary | Left upper arm | - | No | 0 | Mixed | + | − | 30% | - | + | Nonclonal |
| Case #5 | 2nd recurrence | Head and neck | Distant | No | 41 | Nodular | − | − | 15% | − (O) | + (O) | Clonal |
| Case #6 | Primary | Upper back | - | No | 0 | Nodular | + | − | 10% | - | - | Clonal |
| Case #7 | 1st recurrence | Upper back | Local | No | 30 | Nodular | − | − | 30% | − (O) | − (O) | Nonclonal |
| Case #8 | Primary | Head and neck | - | No | 0 | Mixed | + | + | 15% | - | - | Clonal |
| Case #9 | Primary | Upper back | - | No | 0 | Mixed | + | − | 25% | Failed | - | Clonal |
| Case #10 | Primary | Head and neck | - | No | 0 | Nodular | + | − | 5% | − (O) | + (O) | Nonclonal |
| Case #11 | 2nd recurrence | Head and neck | Distant | No | 100 | Mixed | + | + | 40% | - | + | Clonal |
| Case #11 | 3rd recurrence | Head and neck | Distant | No | 106 | Mixed | + | + | 40% | − (O) | + (O) | Clonal |
| Case #12 | Primary | Upper back | - | No | 2 | Nodular | − | − | 40% | - | - | Nonclonal |
| Case #12 | 1st recurrence | Axillary lymph node | Systemic | No | 39 | Nodular | + | + | NA | − (O) | − (O) | Nonclonal |
| Case #13 | Primary | Head and neck | - | No | 0 | Mixed | + | − | NA | NA | + | Nonclonal |
| Case #14 | 1st recurrence | Head and neck | Local | No | 16 | Diffuse | − | − | 80% | - | - | Clonal |
| Case #15 | 1st recurrence | Head and neck | Local | No | 5 | Nodular | + | − | 20% | − (O) | − (O) | Clonal |
| Case #15 | 2nd recurrence | Head and neck | Local | No | 12 | Nodular | + | + | 60% | - | - | Clonal |
| Case #16 | 1st recurrence | Left upper leg | Local | No | 8 | Mixed | + | + | 60% | - | - | Clonal |
| Case #17 | Primary | Head | - | No | 0 | Mixed | +/− | − | 30% | - | - | Clonal |
| Case #18 | 1st recurrence | Upper back | Local | No | 37 | Nodular | + | + | 15% | - | - | Clonal |
| Case #18 | 2nd recurrence | Upper back | Local | No | 55 | Nodular | + | + | 30% | − (O) | − (O) | Clonal |
| Case #19 | Primary | Head and neck | - | No | 0 | Mixed | + | + | 20% | + | - | Clonal |
| Case #20 | Primary | Left lower arm | - | No | 0 | Mixed | − | + | 50% | − (O) | - | Nonclonal |
| Case #20 | 1st recurrence medial | Left upper leg | Distant | No | 16 | Diffuse | + | + | 90% | − (O) | + | No product |
| Case #20 | 1st recurrence lateral | Left upper leg | Distant | No | 16 | Diffuse | + | + | 80% | - | + (O) | No product |
| Case #20 | 2nd recurrence | Left upper leg | Distant | Yes | 50 | Mixed | − | + | 20% | − (O) | + | Nonclonal |
(O), an other sample of the patient was evaluated.