CLEC4C and CD4+/CD56+ hematodermic neoplasm: pDLCs expressed many antigens that were specific to pDCs, including BDCA2, BDCA4, CD40, CD45RA, and CD86, but they also expressed antigens that were atypical for pDCs and had been frequently reported for BPDCN, such as CD2, CD13, and CD33.