Leroy Satchel Paige was the longtime Negro League star who eventually received his due in the majors. He reportedly got his nickname working as a baggage porter in Mobile, Ala., where he became a satchel tree by carrying several bags at once. Satchel, the man, was literally ageless.
The diagnosis of AML requires the identification of 20% or more leukemic blasts in the bone marrow. Further analysis then must separate AML from acute lymphoblastic leukemia by showing evidence for commitment to the myeloid lineage.
Blast crisis is diagnosed if any of the following are present in a patient with CML: > 1 20% myeloblasts or lymphoblasts in the blood or bone marrow. 2  Large clusters of blasts in the bone marrow on biopsy. 3  Development of a chloroma (solid focus of leukemia outside the bone marrow)