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Back to Oncology Diseases
Chronic myeloid leukemia
Introduction
Chronic myelogenous leukemia (CML) is a clonal myeloproliferative
disorder resulting from the neoplastic transformation of the primitive
hemopoietic stem cell. The disease is monoclonal in origin, affecting
myeloid, monocytic, erythroid, megakaryocytic, B-cell, and, sometimes,
T-cell lineages.
Incidence
CML accounts for 15% of all leukemias in adults. In adults the incidence is approximately 1 to 1.5 cases per 100,000
population.
Estimated new cases and deaths from chronic myeloid leukemia in
the United States in 2005:
- New cases: 4,600
- Deaths: 850
Gender
The male-to-female ratio is 1.4 to 2.2:1.
Age
The median age of patients with Ph1-positive CML (Chronic
Myeloid Leukemia) is 67 years of
age.
Race and ethnicity
Incidence rates are similar among all race/ethnicities.
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Geography
CML has been observed in studies following the atom
bomb explosions in Japan in 1945.
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