Acute leukemia

DDx

Acute myelogenous leukemia

Chronic myelogenous leukemia
Myelodysplastic syndrome ("preleukemia")
Left-shifted bone marrow recovering from toxic insult
Other lymphoproliferative disorders (polycythemia vera, essential thrombocytosis)

Acute lymphoblastic leukemia

Chronic lymphocytic leukemia
Lymphoma
Hairy cell leukemia
Atypical lymphocytosis of mononucleosis or pertussis

See related DDx

Pancytopenia
Bleeding, general approach
Generalized lymphadenopathy
Gingival bleeding
Epistaxis
Splenomegaly
Fever
Fatigue and fever

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