Groupe d’Etude des Lymphomes de l’Adulte histological grading system for post-treatment evaluation of gastric mucosa-associated lymphoid tissue lymphoma115
| Score | Lymphoid infiltrate | LEL | Stromal changes |
|---|---|---|---|
| CR, complete histological remission; LEL, lymphoepithelial lesions; LP, lamina propria; MM, muscularis mucosa; NC, no change; pMRD, probable minimal residual disease; rRD, responding residual disease; SM, submucosa. | |||
| CR | Absent or scattered plasma cells and small lymphoid cells in the LP | − | Normal or empty LP and/or fibrosis |
| pMRD | Aggregates of lymphoid cells or lymphoid nodules in the LP/MM and/or SM | − | Empty LP and/or fibrosis |
| rRD | Dense, diffuse or nodular extension around glands in the LP | −/+ | Focal empty LP and/or fibrosis |
| NC | Dense, diffuse or nodular | + | No changes |