Table 1. Clinical, histological and laboratorical characteristics of gastric MALT lymphomas.

				Histological score		PCR analysis
Case	Age (years)/sex	Endoscopic appearance	Phenotype	Before eradication of H. pylori	After eradication of H. pylori	Before eradication of H. pylori	After eradication of H. pylori	Months after treatment of H. pylori
1	78/F	Single ulcer with fold hypertrophy	IgM λ	5	2	Monoclonal	Polyclonal	17
2	65/F	Small erosion	IgM κ	4	2	Monoclonal	Polyclonal	10
3	63/F	Granular	ND	5	5	Monoclonal	Monoclonal	6
4	53/M	Multiple ulcer	ND	5	5	Monoclonal	Monoclonal	20
5a	67/M	Single ulcer	IgMD λ	4	5	ND	Monoclonal	30

MALT=mucosa-associated lymphoid tissue; ND=not determined.

^aAfter eradication of H. pylori.