CD marker specific for myeloid series-
Answer is option 3,CD99 CD2, CD3, CD4, CD5, CD7, CD8: T cells CD10: Early pre-B cells (immature B cells) CD11c, CD25, CD103, CD123: Hairy cell leukemia cells CD13, CD33, CD117: Myeloid cells CD14, CD64: Monocytic cells (positive in AML-M4 and AML-M5) CD15: Reed-Sternberg cells, neutrophils CD16, CD56: Natural killer cells CD19, CD20, CD21, CD22 : B cells CD23 and CD5 : Chronic lymphocytic leukemia/small lymphocytic lymphoma CD23 negative and CD5 positive: Mantle cell lymphoma cells CD30 and CD15: Reed-Sternberg cells CD30 positive and CD15 negative: Anaplastic large cell lymphoma cells CD31: Endothelial cells (positive in angiosarcoma) CD33: Myeloid cells and precursors CD34: Stem cells (also positive in angiosarcoma) CD41, CD61: Megakaryocytes and platelets (positive in AML-M7) CD45 : All leukocytes (except Reed-Sternberg cells!) CD45 RO: Memory T cells CD45 RA: Naive T cells CD68: Histiocytes (positive in malignant fibrous histiocytosis) CD99: Ewings sarcoma cells CD117: Gastrointestinal stromal tumor (GIST) cells, mast cells (positive in mastocytosis), www.pathologystudent.com
CD34 b
CD45
CD99
CD117
Haematology