Table 2.

Immunohistochemistry (% positive)

	Number of Patients (BP/MP/UC)	Biphasic	Monophasic	Unclassifiable
CD5	16/14/15	6	7	13
CD23	15/14/16	0	14	13
CD10	15/14/16	0	0	0
CD43	16/14/12	0	21^	25^^
Bcl-2	16/14/14	100	100	100
Bcl-6	16/14/16	0	7	0
IRF4/MUM1	15/14/16	27	29	31
IgD	15/14/14	93	64#	57*
Cyclin D1	16/14/16	0	0	0
CD5(−), CD10(−), CD43(−), CD23(−)	15/14/13	94	64#	69
IgD(+), CD5(−), CD10(−), CD43(−), CD23(−)	15/14/13	87	29**	23**

^*p < 0.04 vs. BP

^**p < 0.003 vs. BP

^#p = 0.08 vs. BP

^{^}p = 0.09 vs. BP

^{^^}p = 0.07 vs BP

BP-biphasic, MP-monophasic, UC-unclassifiable