PMC4567229_01
Examination of peripheral blood smear.
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Peripheral blood smear showed significant eosinophilia (49.9x109 cells/L) with no blasts (Figure 1).
Bone marrow biopsy.
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A subsequent bone marrow biopsy was negative for the presence of a leukemic or lymphoproliferative process and found no evidence of PDGFR-A mutation or BCR/ABL translocation (Figure 2).