免疫表型:同时表达CD5和cyclin D1,CD10、CD23(50%弱阳性)[11]和Bcl-6常阴性。CD20、CD79b和sIg的表达较CLL强,且CD23阴性、CD200阴性、FMC7阳性,可以与CLL相鉴别。免疫组化SOX11阳性。. This evidence concerns the gene CD200 and B-cell chronic lymphocytic leukemia.