Histologic and immunohistologic characteristics of the 7 cases of LPHD with diffuse growth pattern
| Morphology of neoplastic cells | ||
| • L&H-cell features | 7 | (100%) |
| Immunophenotype of neoplastic cells | ||
| • CD20 | 7 | (100%) |
| • CD79a | 5 | (71%) |
| • J-chain | 4 | (67%) |
| • EMA | 6 | (86%) |
| Immunohistologic features | ||
| • Neoplastic cells arranged in a vaguely nodular fashion | 6 | (86%) |
| • Single small foci of small B cells | 3 | (43%) |
| • Few scattered CD57+cells with focal condensation | 3 | (43%) |
| • CD21+ follicular dendritic cells | 0 | (0%) |
| Morphology of neoplastic cells | ||
| • L&H-cell features | 7 | (100%) |
| Immunophenotype of neoplastic cells | ||
| • CD20 | 7 | (100%) |
| • CD79a | 5 | (71%) |
| • J-chain | 4 | (67%) |
| • EMA | 6 | (86%) |
| Immunohistologic features | ||
| • Neoplastic cells arranged in a vaguely nodular fashion | 6 | (86%) |
| • Single small foci of small B cells | 3 | (43%) |
| • Few scattered CD57+cells with focal condensation | 3 | (43%) |
| • CD21+ follicular dendritic cells | 0 | (0%) |
LPHD, lymphocyte predominance Hodgkin's disease; EMA, epithelial membrane antigen.