Table 3. Risk factor analysis for recurrence of MALT lymphoma.
| Characteristics | Recurrence (n=5) | No recurrence (n=79) | P-value |
|---|---|---|---|
| Endoscopic appearance (%) | NS | ||
| I: protruding, mass | 0 (0) | 6 (7.6) | |
| II: granular, gastritis | 0 (0) | 18 (22.8) | |
| III: depressed, erosion | 4 (80.0) | 40 (50.6) | |
| IV: excavated, ulceration | 1 (20.0) | 10 (12.7) | |
| V: mixed | 0 (0) | 5 (6.3) | |
| Endoscopic location (%) | NS | ||
| Proximala | 2 (40.0) | 16 (20.3%) | |
| Distalb | 3 (60.0) | 60 (75.9%) | |
| Multifocal | 0 (0) | 3 (3.8%) | |
| Depth of gastric wall involvementc (%) | NS | ||
| Mucosa | 3/5 (60.0) | 45/75 (60.0) | |
| Submucosa | 2/5 (40.0) | 25/75 (33.3) | |
| Muscularis propria or beyond | 0 (0) | 5/75 (6.7) | |
| Median time to CR (months) | 3 | 3 | NS |
| H. pylori reinfection (%) | 0 (0) | 11 (13.9) | NS |
MALT=mucosa-associated lymphoid tissue.
a
Mid body, high body, fundus or cardia.
b
Antrum, angle or low body.
c
Evaluated by EUS in 66 patients and by histologic examination of surgical specimen in 14 patients.