Chronic leukemia

Chronic leukemia is a type of cancer that originates in the blood-forming cells of the bone marrow. Unlike acute leukemia, which progresses rapidly, chronic leukemia develops slowly over time. There are two main types of chronic leukemia: chronic lymphocytic leukemia (CLL) and chronic myeloid leukemia (CML).

Types of Chronic Leukemia

Chronic Lymphocytic Leukemia (CLL)

Chronic lymphocytic leukemia is the most common type of leukemia in adults. It often occurs during or after middle age, and is rarely observed in children. CLL affects the lymphocytes, a type of white blood cell that plays a role in the body's immune system. Over time, these abnormal lymphocytes accumulate in the blood and certain organs, where they cause complications.

Chronic Myeloid Leukemia (CML)

Chronic myeloid leukemia affects the myeloid cells in the bone marrow. These cells are responsible for producing red blood cells, white blood cells, and platelets. CML is often associated with a specific genetic abnormality called the Philadelphia chromosome.

Symptoms

Symptoms of chronic leukemia may not appear in the early stages of the disease. As the leukemia progresses, symptoms may include fatigue, weight loss, frequent infections, and easy bruising or bleeding.

Diagnosis

Diagnosis of chronic leukemia typically involves blood tests, bone marrow tests, and genetic testing. The presence of the Philadelphia chromosome, for example, can confirm a diagnosis of CML.

Treatment

Treatment for chronic leukemia depends on the type of leukemia, the stage of the disease, and the patient's overall health. Options may include chemotherapy, targeted therapy, radiation therapy, and stem cell transplant.

Prognosis

The prognosis for chronic leukemia varies widely, depending on factors such as the type of leukemia and the patient's age and overall health. With treatment, many people with chronic leukemia can maintain a good quality of life for many years.

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