Identification of tumours with the CD43 only phenotype during the investigation of suspected lymphoma: a heterogeneous group not necessarily of T cell origin.

Abstract excerpt

AIMS: CD43 is usually employed as a T cell marker in the immunophenotypic work-up of suspected cases of non-Hodgkin's lymphoma (NHL). In this setting, tumours expressing CD43 in the absence of other T or B cell markers (CD43 only phenotype) are rare. We present four cases with this aberrant phenotype seen at our institution. METHODS: The CD43 only phenotype was defined as expression of CD43 in the absence of...

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