Table 1. Characteristics of the MALT lymphoma cases examined.
case no. | previous no. | site of tumour | API2-MALT1 variant at transcript level(3) | MALT1-API2 variant at genomic level(3) | RT-PCR+sequencing | BCL10 nuclear expression |
1 | case 2(1) | stomach | A7M5 | M4A8 | M4A8 | + |
2 | stomach | A7M8 | na | − | + | |
3 | case 3(1) | stomach | A7M5 | M4A8 | − | na |
4 | stomach | A7M9 | na | M8A8 | + | |
5 | case 18(1) | small intestine | A7M9 | M8A8 | M8A8 | + |
6 | case 8(1) | lung | A7M5 | M4A8 | M4A8 | + |
7 | case 16(1) | stomach | A7M8 | − | − | + |
8 | case 17(1) | stomach | A7M8 | M4A8 | − | + |
9 | case 10(1) | stomach | A7M5 | M4A9 | M4A9 | + |
10 | case 5(1) | stomach | A7M5 | M4A8 | M4A8 | + |
11 | case 5(2) | stomach | A7M9 | M8A8 | M8A8 | na |
12 | case 3(2) | stomach | A7M5 | M4A8 | M4A8 | na |
13 | stomach | A7M8 | na | − | na | |
14 | spleen | A7M5 | na | − | na | |
15 | stomach | A7M8 | na | − | na |