A Case of Idiopathic Hypereosinophilic Syndrome Causing Mitral Valve Papillary Muscle Rupture

Figure 2

(a) Peripheral smear: marked eosinophilia (most eosinophils show intact cytoplasmic granules). (b) Bone marrow biopsy: normocellular marrow with mild megakaryocytic hyperplasia, eosinophilia, and no increase in blasts. No monoclonal B-cells or immunophenotypically abnormal T-cells are detected.

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(b)