TABLE 3 Immunophenotypic Findings in Primary Pulmonary Lymphomas with Amyloid
Lymphoma | REAL Classification | Working Formulation | CD5 | CD20/CD43 Coexpression | CD23 | CD20 | CD79a | CD138 | κ | λ | SIg | CD10 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Case #1 | B-cell CLL/SLL | Small lymphocytic | + | + | + | + | +++ | + | − | − | − | − |
Case #2 | MALToma | Small lymphocytic | − | + | + | + | ++ | − | + | − | IgM | − |
Case #3 | MALToma | Small lymphocytic | − | − | − | + | ++ | + | − | + | IgG | − |
Case #4 | MALToma | Small lymphocytic | − | − | − | + | ++ | + | − | + | IgG | − |
Case #5 | B-cell CLL/SLL | Small lymphocytic | + | − | + | + | ++ | + | + | − | IgM | − |
