Clinical characteristics of misclassified patients with AL and patients with MM
Misclassified patients . | . | . | . | . | . | . | |
---|---|---|---|---|---|---|---|
29-gene subset . | 12-gene subset . | Light chain isotype . | BMPC, % . | Hb, g/dL . | Serum M-spike, g/dL . | Lytic bone lesions . | |
AL-1 | NM | κ | 3 | 10.4 | Negative | Negative | |
AL-2 | NM | λ | 16 | 13.6 | Negative | Negative | |
AL-3 | AL-3 | λ | 25 | 11.2 | Negative | Negative | |
AL-4 | NM | λ | 17 | 11.8 | Negative | Negative | |
AL-5 | NM | λ | 9 | 7.7 | 1.9 | Negative | |
ND | AL-6† | λ | 13 | 10.7 | 1.0 | Negative | |
ND | AL-7† | λ | 11.6 | 13.2 | 2.2 | Negative | |
MM-1 | MM-1 | λ | 31 | 12.0 | 3.3 | Negative | |
MM-2 | MM-2 | λ | 30 | 11.3 | Hypogamma* | Negative | |
MM-3 | NM | λ | 38 | 9.5 | 1.2 | Positive | |
MM-4 | NM | λ | 42 | 8.5 | 0.4 | Positive | |
MM-5 | NM | λ | 25 | 9.7 | 0.4 | Positive | |
NM | MM-6 | κ | 24 | 12 | 2.1 | Negative | |
ND | MM-7† | κ | 5.4 | 11 | 0.6 | Positive |
Misclassified patients . | . | . | . | . | . | . | |
---|---|---|---|---|---|---|---|
29-gene subset . | 12-gene subset . | Light chain isotype . | BMPC, % . | Hb, g/dL . | Serum M-spike, g/dL . | Lytic bone lesions . | |
AL-1 | NM | κ | 3 | 10.4 | Negative | Negative | |
AL-2 | NM | λ | 16 | 13.6 | Negative | Negative | |
AL-3 | AL-3 | λ | 25 | 11.2 | Negative | Negative | |
AL-4 | NM | λ | 17 | 11.8 | Negative | Negative | |
AL-5 | NM | λ | 9 | 7.7 | 1.9 | Negative | |
ND | AL-6† | λ | 13 | 10.7 | 1.0 | Negative | |
ND | AL-7† | λ | 11.6 | 13.2 | 2.2 | Negative | |
MM-1 | MM-1 | λ | 31 | 12.0 | 3.3 | Negative | |
MM-2 | MM-2 | λ | 30 | 11.3 | Hypogamma* | Negative | |
MM-3 | NM | λ | 38 | 9.5 | 1.2 | Positive | |
MM-4 | NM | λ | 42 | 8.5 | 0.4 | Positive | |
MM-5 | NM | λ | 25 | 9.7 | 0.4 | Positive | |
NM | MM-6 | κ | 24 | 12 | 2.1 | Negative | |
ND | MM-7† | κ | 5.4 | 11 | 0.6 | Positive |
The major clinical features of the misclassified patients with AL and patients with MM in Figure 1A and Figure 3 with respect to light chain isotype, bone marrow plasma cells (BMPCs), anemia, serum M-protein level, and lytic bone lesions are recorded.
NM indicates not misclassified; ND, not done.
Urine M-spike = 3.8 g/24 hours
Patients misclassified in independent validation analysis