Table 2 Summary of histological, immumohistochemical, and cytogenetic findings at presentation
From: IgG4 plasma cell myeloma: new insights into the pathogenesis of IgG4-related disease
Fibrosis | Plasmablasts | Ki-67 PR | CD56 | BCL-1 | Karyotype | FISH | |
|---|---|---|---|---|---|---|---|
1 | 1+ | Yes | 22% | + | + | Normal | del(13q), H |
2 | 1+ | No | <1% | − | − | Normal | Normal |
3 | 3+ | No | 9% | − | + | Normal | t(11;14), H |
4 | 2+ | Yes | 2% | + | − | Complex | H |
5 | 1+ | Yes | 74% | + | − | Complex | t(4;14), del(17p), 1q21 gain, H |
6 | 1+ | No | 2% | − | + | Normal | Normal |
