Table 3. Variation in the Expression of... | American Society of Hematology

Table 3.

Variation in the Expression of p53 in Lymphoma Tumors Without a Mutation in Exons 5 Through 9

% p53-Positive Cells	Histologic Type
	SLL		FSCC		FMx		FLC		DSCC		DMx		DLC		Total
	1	2	1	2	1	2	1	2	1	2	1	2	1	2	1	2
None	1	25	2	17	ND	11	ND	ND	0	9	1	9	1	11	5	82
10% to25%	1	6	0	6	ND	8	ND	ND	1	3	0	2	0	2	2	27
26% to 50%	0	2	0	2	ND	3	ND	ND	0	0	0	2	3	7	3	16
>50%	0	1	0	1	ND	2	ND	ND	0	1	0	1	2	5	2	11
Total	2	34	2	26	ND	24	ND	ND	1	13	0	14	6	25	12	136

% p53-Positive Cells	Histologic Type
	SLL		FSCC		FMx		FLC		DSCC		DMx		DLC		Total
	1	2	1	2	1	2	1	2	1	2	1	2	1	2	1	2
None	1	25	2	17	ND	11	ND	ND	0	9	1	9	1	11	5	82
10% to25%	1	6	0	6	ND	8	ND	ND	1	3	0	2	0	2	2	27
26% to 50%	0	2	0	2	ND	3	ND	ND	0	0	0	2	3	7	3	16
>50%	0	1	0	1	ND	2	ND	ND	0	1	0	1	2	5	2	11
Total	2	34	2	26	ND	24	ND	ND	1	13	0	14	6	25	12	136

Frequency of tumors showing variable expression of p53 in tumors (1) with abnormality affecting 17p, and (2) with apparently normal 17p.

Abbreviation: ND, immunostaining not performed.