<unk>  represents less than 1% of all leukemia cases worldwide, mainly affecting the elderly population with a mean age of presentation between 65 and 70 years. Most cases have shown slight male predominance, with a male-to-female ratio of 1.6 to 1, and the vast majority of patients being Caucasians.
B-cell prolymphocytic leukemia
Aggressive NK-cell leukemia
T-cell prolymphocytic leukemia
Precursor B-cell lymphoblastic leukemia
T-cell acute lymphoblastic leukemia
T-lymphoblastic leukemia/lymphoma
Acute myeloblastic leukemia with maturation
Acute myeloblastic leukemia without maturation