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  Indian J Med Microbiol
 

Figure 2: FCM analysis: the red color represents blast population and the green color represents neoplastic mast cell; (a-d) at time of diagnosis: (a) CD45 versus SSC gating of the BM sample, (b) blasts are positive for CD19 and eterogeneously positive for CD34, (c) strong CD117 and CD33 cells represent mast cells (P5 gate); and (d) the same mast cells express CD2 and CD25, neoplastic in nature. (e and f) Post induction BM samples show persistence of neoplastic mast cells expressing (e) CD2 and CD25 and (f) CD117, but negative for CD34

Figure 2: FCM analysis: the red color represents blast population and the green color represents neoplastic mast cell; (a-d) at time of diagnosis: (a) CD45 versus SSC gating of the BM sample, (b) blasts are positive for CD19 and eterogeneously positive for CD34, (c) strong CD117 and CD33 cells represent mast cells (P5 gate); and (d) the same mast cells express CD2 and CD25, neoplastic in nature. (e and f) Post induction BM samples show persistence of neoplastic mast cells expressing (e) CD2 and CD25 and (f) CD117, but negative for CD34