CD30 and the megakaryocyte associated tyrosine kinase (MATK) are variably expressed and might be misleading, raising the diagnosis of anaplastic large cell lymphoma (ALCL) or monomorphic epitheliotropic intestinal T cell lymphoma (MEITL) and enteropathy associated T cell lymphoma (EITL) [32,33]. Here, MATK is linked to anaplastic large cell lymphoma.