Case Report

A 26-Year-Old Female with Systemic Mastocytosis with Associated Myeloid Neoplasm with Eosinophilia and Abnormalities of PDGFRB, t(4;5)(q21;q33)

Figure 1

Bone marrow biopsy. (a) Large cluster of mast cells; (b) cluster of mast cells with positive immunohistochemical staining for mast cell tryptase; (c) cluster of mast cells with positive immunohistochemical staining for CD25; and (d) clusters of atypical megakaryocytes.
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