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chronic myelogenous leukemia

pathology
Also known as: CML

Quick Summary

Chronic myelogenous leukemia (CML) is a type of cancer affecting the blood-forming tissues, specifically characterized by an overproduction of immature white blood cells. It is classified as a chronic leukemia, meaning it develops gradually and can persist for extended periods.12

CML is strongly associated with a specific genetic abnormality known as the Philadelphia chromosome. This occurs when a segment of chromosome 9 fuses with a segment of chromosome 22, creating a hybrid gene called BCR-ABL. This abnormal gene produces a protein that disrupts normal cell growth regulation, leading to the uncontrolled proliferation of leukemic cells.23

While CML can remain dormant for a long time, symptoms like weight loss, fever, and weakness may eventually appear. Without treatment, it can progress to a fatal stage called blast crisis. The average lifespan for individuals with CML has historically been around 3 years, though many can live for 5 to 10 years or longer with treatment.12

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