Submitted by Ahmad Alkhasawneh

Blasts versus atypical monocytes

62-year-old woman admitted with worsening dyspnea on exertion and found to have leukocytosis. CBC result, representative cells from differential and representative bone marrow are provided. Work up (including immunohistochemistry on tissue, flow cytometry, karyotype, FISH, and molecular), morphology guide for blood smear and flow cytometry guide are available under "specials to order".