Reference (Year), Country | Threshold for EBV positivity by ISH (% of tumour cells) | Gastric MALT lymphoma | Gastric DLBCL | ||||
---|---|---|---|---|---|---|---|
EBV positive/total | EBV positive/ total by subtype | H. pylori positive/total (by subtype) | EBV positive/total | EBV positive/ total by morphology | H. pylori positive/total | ||
Ott et al. [17] (1993), Germany | N/A | 0/27 | N/A | N/A | 2/24 | Centroblastic: 2/22 Immunoblastic: 0/2 | N/A |
Liu et al. [18] (1995), Japan | N/A | 2/16 | N/A | N/A | 2/33 | Centroblastic:2/30 Immunoblastic:0/3 | N/A |
Futamura et al. [19] (1996), Japan | ≥ 5 | 1/32 | Low grade: 1/23 High grade: 0/9 | N/A | 1/9 | N/A | N/A |
Narita et al. [20] (1996), Japan | N/A | 1/5 | N/A | N/A | 1/8 | N/A | N/A |
Lee et al. [21] (1997), Republic of Korea | > 50 | 0/8 | N/A | N/A | 5/43 | N/A | N/A |
Xu et al. [22] (1997), China (Hong Kong) | N/A | 0/40 | Low grade: 0/13 High grade: 0/27 | 22/40 Low grade:8/13 High grade: 14/27 | 1/13 | N/A | 7/13 |
Yang et al. [23] (1998), Republic of Korea | N/A | 0/19 | Low grade: 0/12 High grade: 0/7 | N/A | 1/13 | N/A | N/A |
Ben Rejeb et al. [24] (1999), Tunisia | N/A | 3/15 | N/A | N/A | N/A | N/A | N/A |
Chan et al. [25] (2001), China (Hong Kong) | > 90 | 0/29 | Low grade: 0/14 High grade: 0/15 | 29/29 | 10/17 | N/A | 6/17 |
Peh [26] (2001), Malaysia | > 50 | 0/3 | Low grade: 0/1 High grade: 0/2 | N/A | 0/7 | N/A | N/A |
Ishikawa et al. [27] (2019), Japan | ≥ 80 | N/A | N/A | N/A | 25/240 | N/A | 49/72 |
Zhou et al. [28] (2020), China | > 80 | N/A | N/A | N/A | 22/236 | N/A | N/A |