Ki-1 [cd 30] positve anaplastic large cell lymphoma a morphologic and immunologic study in four cases

Four cases of peripheral lymph node enlargement are presented. All cases proved to be non-Hodgkin's lymphoma, positive for Ki-1 [CD30] and negative for Leu Ml [CDI5] antigens. The diagnosis of Ki-1 [CD 30+] anaplastic large cell lymphoma was made, all cases showing the distinctive nodal histopathologic features, The morphologic of the lymph node as well as the immunologic markers are discussed