Number of BPDCN cases that express nonspecific lineage markers and association of different expression combinations. The analysis presents 61 patients in whom a large myeloid and B-/T-lymphoid panel were analyzed (CD19, CD20, CD22, cCD22, and cCD79a; T: cCD3, CD3, CD2, CD5, and CD7; myeloid: CD13, CD33, CD15, CD65, CD117, MPO, CD11c, CD14, and CD64). Numbers indicate the number of cases in each group of associated markers. Of note, 4 cases simultaneously expressed B, T, and myeloid markers.