PCR detection of monoclonal, rearranged immunoglobulin genes in DNA samples extracted from fresh/frozen B cell lymphomas and reactive lymphoid legions
| Sample group | Number of cases | Igκ PCR | Igλ PCR | Igκ+λ PCR | IgH PCR |
|---|---|---|---|---|---|
| B cell lymphomas | 28 | 24 (86%) | 8 (29%) | 25 (89%) | 23 (82%) |
| κ+ B cell lymphomas | 16 | 14 (87%) | 0 | 15 (94%) | 15 (94%) |
| λ+ B cell lymphomas | 12 | 10 (83%) | 8 (67%) | 11 (92%) | 8 (67%) |
| Reactive | 12 | 0 | 0 | 0 | 0 |
| IgH PCR negative | 5 | 4 | 2 | 4 | 0 |