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Whereas acute leukemia must be treated immediately, chronic forms are sometimes monitored for some time before treatment to ensure maximum effectiveness of therapy. Chronic leukemia mostly occurs in older people but can occur in any age group. Additionally, the diseases are subdivided according to which kind of blood cell is affected.
Because acute promyelocytic leukemia has the highest curability and requires a unique form of treatment, it is important to quickly establish or exclude the diagnosis of this subtype of leukemia. Fluorescent in situ hybridization performed on blood or bone marrow is often used for this purpose, as it readily identifies the chromosomal ...
Acute lymphoblastic leukemia affected about 876,000 people globally in 2015 and resulted in about 111,000 deaths. [14] [10] It occurs most commonly in children, particularly those between the ages of two and five. [15] [4] In the United States it is the most common cause of cancer and death from cancer among children. [2]
Acute leukemia or acute leukaemia is a family of serious medical conditions relating to an original diagnosis of leukemia. In most cases, these can be classified according to the lineage, myeloid or lymphoid , of the malignant cells that grow uncontrolled, but some are mixed and for those such an assignment is not possible.
Chronic lymphocytic leukemia (CLL) is a type of cancer that affects the blood and bone marrow. [8] [9] In CLL, the bone marrow makes too many lymphocytes, which are a type of white blood cell. [8] [9] In patients with CLL, B cell lymphocytes can begin to collect in their blood, spleen, lymph nodes, and bone marrow.
Acute erythroid leukemia is rare, accounting for only 3–5% of all acute myeloid leukemia cases. [2] One study estimated an occurrence rate of 0.077 cases per 100,000 people each year. [ 12 ] 64–70% of people with this condition are male, and most are elderly, with a median age of 65.
Anywhere from 30,000 up to 500,000 people develop Lyme disease from a tick bite each year, according to the C DC.For most, the infection is mild and easily treated with antibiotics.
Leukemia is usually described either as "acute", which grows quickly, or "chronic", which grows slowly. The vast majority of childhood leukemia is acute, and chronic leukemias are more common in adults than in children. Acute leukemias typically develop and worsen quickly (over periods of days to weeks).