Immunophenotypic and molecular characteristics of pediatric follicular lymphoma
| Case no.* . | CD20 . | CD43 . | CD10 . | bcl-6 . | bcl-2 . | CD21 + FDC present . | |
|---|---|---|---|---|---|---|---|
| IHC . | PCR . | ||||||
| 1 | + | + | + | + | − | − | Y |
| 2 | + | − | − | + | − | − | Y |
| 3 | + | − | − | + | − | − | Y |
| 4 | + | − | +, F | +, F | − | − | Y |
| 5 | + | − | ND | + | + | + | Y |
| 6 | + | − | + | + | + | − | Y |
| 7 | + | + | + | + | − | − | ND |
| 8 | + | − | − | + | − | − | ND |
| 9 | + | − | ND | ND | ND | − | ND |
| 10 | + | + | + | + | − | − | Y |
| 11 | + | − | + | + | + | + | Y |
| 12 | + | − | + | + | + | − | Y |
| 13 | + | + | + | + | − | − | Y |
| 14 | + | − | + | + | +, F | − | Y |
| 15 | + | − | + | + | − | − | Y |
| 16 | + | − | + | + | − | − | Y |
| 17 | + | − | + | + | − | − | Y |
| Case no.* . | CD20 . | CD43 . | CD10 . | bcl-6 . | bcl-2 . | CD21 + FDC present . | |
|---|---|---|---|---|---|---|---|
| IHC . | PCR . | ||||||
| 1 | + | + | + | + | − | − | Y |
| 2 | + | − | − | + | − | − | Y |
| 3 | + | − | − | + | − | − | Y |
| 4 | + | − | +, F | +, F | − | − | Y |
| 5 | + | − | ND | + | + | + | Y |
| 6 | + | − | + | + | + | − | Y |
| 7 | + | + | + | + | − | − | ND |
| 8 | + | − | − | + | − | − | ND |
| 9 | + | − | ND | ND | ND | − | ND |
| 10 | + | + | + | + | − | − | Y |
| 11 | + | − | + | + | + | + | Y |
| 12 | + | − | + | + | + | − | Y |
| 13 | + | + | + | + | − | − | Y |
| 14 | + | − | + | + | +, F | − | Y |
| 15 | + | − | + | + | − | − | Y |
| 16 | + | − | + | + | − | − | Y |
| 17 | + | − | + | + | − | − | Y |
IHC indicates immunohistochemistry; PCR, polymerase chain reaction; FDC, follicular dendritic cell; Y, yes; F, immunoreactivity for the marker being present only focally; ND, not done or not interpretable.
Case numbers are identical with the patient numbers used in Table 1.