Table 2 Pathologic features of patients with noninvasive BI EBV+ LBCL and breast implant ALCL (pT2).
Features | BI EBV+ LBCL, n = 7 | Breast implant ALCL, n = 14 | p value |
---|---|---|---|
Capsular thickness | |||
Median (µm, range) | 2481 (1376–5700) | 1120 (543–4347) | 0.0439 |
Synovium-like lining | 0/7 (0%) | 3/14 (21%) | 0.1859 |
Granular necrosis in lumen | 7/7 (100%) | 14/14 (100%) | >0.999 |
Layering of lymphoma cells | 6/7 (86%) | 3/14 (21%) | 0.005 |
Hallmark cells | 0/7 (0%) | 10/14 (70%) | 0.0039 |
Plasma cells | 6/7 (86%) | 9/14 (64%) | 0.3055 |
Eosinophils | 0/7 (0%) | 4/14 (30%) | 0.255 |
Outer capsule lymphoid aggregates | 7/7 (100%) | 0/14 (0%) | 0.0001 |
Foamy histiocytes | 2/7 (29%) | 0/14 (0%) | 0.0355 |
Silicone fragments | 4/7 (58%) | 11/14 (79%) | 0.3055 |
Calcification in lumen | 4/7 (58%) | 1/14 (7%) | 0.0112 |