Table 1.

Possible correlation between updated Kiel classification and WHO classification for B-Cell Lymphomas according to (3).

Updated Kiel classification		WHO classification
Low-grade BCLs	Small B-cell lymphoma
	Small lymphocytic	B-cell CLL/small lymphocytic lymphoma? OR low-grade small BCL NOS?
	Prolymphocytic
	Lymphoplasmacytic	Lymphoplasmacytic lymphoma
	Marginal zone	Nodal MZL, extranodal MZL, splenic MZL
	Centroblasto-centrocytic	Follicular lymphoma grade I/II
High-grade BCLs	Centroblastic monomorphic, follicular subtype	Follicular lymphoma grade III
	Centroblastic monomorphic, diffuse subtype	DLBCL
	Centroblastic polymorphic	DLBCL
	Immunoblastic	DLBCL
	Anaplastic/mediastinal	Mediastinal BCL (DLBCL)
	Burkitt type	Burkitt lymphoma
	Plasmacytoid	–
	Small cell NOS	Mantle cell lymphoma?

BCL, B-cell lymphoma; CLL, chronic lymphocytic leukemia; DLBCL, diffuse large B-cell lymphoma; MZL, marginal zone lymphoma; NOS, not otherwise specified.