Alk+ large b-cell lymphoma

A usually aggressive large B-cell lymphoma characterized by the presence of monomorphic immunoblast-like neoplastic B-lymphocytes in a sinusoidal growth pattern. The neoplastic B-lymphocytes express the ALK kinase but they lack the 2;5 translocation.

Disease Alternative Name

alk-positive large b-cell lymphoma
alk-dlbcl
diffuse large b-cell lymphoma with expression of full-length alk
diffuse large b-cell lymphoma with expression of full-length anaplastic lymphoma kinase
alk positive large b-cell lymphoma
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