15. BM Aspirate and Biopsy Findings

  • Mildly hypercellular marrow with normal trilineage hematopoiesis and increased megakaryocyte numbers
  • No infiltrates or focal lesions
  • ME ratio: 3:1
  • Erythroid maturation is normoblastic
  • Myeloid maturation is progressive and myeloid blasts are not increased.
  • Megakaryocytes demonstrate immature forms and increased ploidy.
  • Small lymphocytes are marginally increased