title: Acute megakaryoblastic leukemia preceded by refractory anemia with an excess of blast cells: leukemic transformation in an infant of Down syndrome recovering from transient abnormal myelopoiesis.
mesh_terms: D000208:Acute Disease; D000741:Anemia, Aplastic / Q000473:pathology*; D001853:Bone Marrow / Q000473:pathology*; D004314:Down Syndrome / Q000097:blood / Q000473:pathology*; D005260:Female; D006410:Hematopoiesis; D006801:Humans; D007231:Infant, Newborn; D013920:Thrombocythemia, Essential / Q000473:pathology*