Table 1 Summary of IL-21 and MIP-3α... | American Society of Hematology

Table 1

Summary of IL-21 and MIP-3α immunohistochemistry results

	Positive	Negative
IL-21 staining, no. cases
Classic Hodgkin lymphoma	9*	1
Diffuse large B-cell lymphoma	1†	13
B-cell chronic lymphocytic leukemia	2†	8
Mantle cell lymphoma	0	6
Follicular lymphoma (grades 1 and 2)	0	10
Burkitt lymphoma	0	2
MIP-3α staining, no. cases
Classic Hodgkin lymphoma	9‡	1

	Positive	Negative
IL-21 staining, no. cases
Classic Hodgkin lymphoma	9*	1
Diffuse large B-cell lymphoma	1†	13
B-cell chronic lymphocytic leukemia	2†	8
Mantle cell lymphoma	0	6
Follicular lymphoma (grades 1 and 2)	0	10
Burkitt lymphoma	0	2
MIP-3α staining, no. cases
Classic Hodgkin lymphoma	9‡	1

In 3 cases, fewer than 50% of HRS cells were stained; in 6 cases, more than 50% of HRS cells were stained.

Staining was observed in more than 50% of tumor cells.

In 4 cases, fewer than 50% of HRS cells were stained; in 5 cases, more than 50% of HRS cells were stained.