Catalog
ALK-positive large B-cell lymphoma
Link to WHO Definition
ALK-positive large B-cell lymphoma – http://id.who.int/icd/entity/2077559619
A usually aggressive large B-cell lymphoma characterised 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.