Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Dysplastic megakaryocytic hyperplasia in bone marrow in acute myeloid leukemia in a patient with Down syndrome. Bone marrow aspirate smear. Note clustered hyperplastic megakaryocytes with a peripheral ring of nuclei (short arrows and inset) and smaller megakaryocytes with signet ring forms (long arrows) (Wright-Giemsa, original magnification ×200 [inset same]).
