Hypercellular marrow (90-95%) (H&E, 100X)Hypercellular marrow (90-95%) (H&E, 100X)
Bone marrow with increased eosinophils and precursors (H&E, 400X)Bone marrow with increased eosinophils and precursors (H&E, 400X)
Bone marrow aspirate with increased eosinophils and blasts (Giemsa, 600X)Bone marrow aspirate with increased eosinophils and blasts (Giemsa, 600X)
Bone marrow aspirate with eosinophils and blasts (Giemsa, 600X)Bone marrow aspirate with eosinophils and blasts (Giemsa, 600X)
PAX5, TdT, CD34, CD20 (Immunohistochemical stains)PAX5, TdT, CD34, CD20 (Immunohistochemical stains)
Flow plots of bone marrow Flow plots of bone marrow
Chromosome analysis showed normal male karyotypeChromosome analysis showed normal male karyotype
IGH gene rearrangement, in 12% interphase cellsIGH gene rearrangement, in 12% interphase cells