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Chronic lymphocytic leukemia is a slow-growing cancer that affects the white blood cells (lymphocytes) in the blood and bone marrow. It is characterized by the bone marrow producing too many abnormal, inefficient lymphocytes.
read more about chronic lymphocytic leukemia ...The precise cause is unknown, but it involves genetic mutations in the blood cell DNA. Chronic lymphocytic leukemia is considered chronic because it progresses slowly over many years, often requiring no immediate treatment, only careful monitoring (watchful waiting).
Symptoms often develop gradually and may go unnoticed for years. Fatigue, unintentional weight loss, and night sweats are common early signs. Swollen lymph nodes in the neck, armpits, or groin can appear as the disease progresses. Enlargement of the spleen or liver may cause a feeling of fullness in the abdomen. Frequent infections and easy bruising occur when the bone marrow's ability to produce healthy cells declines.
Watchful waiting is the management strategy for early-stage chronic lymphocytic leukemia. Since the disease progresses slowly, treatment is delayed until symptoms become severe or the cancer cell count rises sharply. This prevents unnecessary exposure to chemotherapy side effects.
Chronic lymphocytic leukemia can impact eye health if the leukemia cells infiltrate the eye structures. This infiltration can cause blurry vision, retinal hemorrhages, swelling of the optic nerve, or accumulation of abnormal cells in the tear glands, leading to dry eyes or persistent discharge.
Treatment is only used when symptoms worsen. It involves targeted drug therapies, chemotherapy, and sometimes immunotherapy. The treatment goal is to reduce the number of abnormal cells and manage symptoms.
Chronic lymphocytic leukemia is generally not cured but is highly manageable. Many people live for decades with the condition.
No, chronic lymphocytic leukemia affects lymphoid cells (lymphocytes). Chronic myeloid leukemia (CML) affects myeloid cells.
No, modern treatment often favors targeted drug therapies over traditional chemotherapy.
See an oncologist if you notice painless, swollen lymph nodes or persistent fatigue. Patients with CLL are at higher risk for secondary skin cancers; a regular full-body skin exam is a medical necessity. Monitor for sudden night sweats or unexplained weight loss.
National Cancer Institute. CLL Treatment (cancer.gov). 2024.
NHS. Chronic Lymphocytic Leukaemia (nhs.uk). 2022.
MedlinePlus. CLL Overview (medlineplus.gov). 2023.
Cancer Research UK. CLL (cancerresearchuk.org). 2024.