Table 1.

Initial clinical data of 71 cases of liver-involving lymphoproliferative disease

No. of cases	Age (mean)	M/F	Histological type: no. of cases	Anti-HCV Ab	HBs, e Ag	Anti-HTLV-1 Ab
Primary hepatic B-cell lymphoma
20	64 years old	10:2	DLBCL: 12	8 (66.7%)	2 (16.7%)	1 (8.3%)
		3:5	MALT: 8	2 (25%)	1 (12.5%)	0/5 (0)
Total		13:7		10 (50%)	3 (15%)	1/17 (5.9%)
Liver-involving systemic B-cell lymphoma
22	67 years old	7:5	IVLBCL: 12	1/11 (9.1%)	1/11 (9.1%)	1/10 (10%)
		5:5	DLBCL: 10	5 (50%)	1 (10%)	0/7 (0)
Total		12:10		6/21 (29%)	2/21 (9.5%)	1/17 (5.9%)
Liver-involving systematic T/NK-cell lymphoma
22	55 years old	17:5		1/19 (5.3%)	0/19 (0)	7/21 (33.3%)
Reactive lymphoid hyperplasia
7	61 years old	0:7		1(14.3%)	0 (0)	0 (0)

/: positive/examined cases. HCV hepatitis C virus, HB hepatitis B, HTLV human T-cell lymphotropic virus, DLBCL diffuse large B-cell lymphoma, MALT mucosa-associated lymphoid tissue, IVLBCL intravascular large B-cell lymphoma