The Difference Between Acute Leukemia and Chronic Leukemia

Written by Li Fang Fang

Hematology

Updated on September 18, 2024

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The difference between acute and chronic leukemia lies in the maturity stage of the leukemia cells. Acute leukemia is characterized by more immature leukemia cells, while chronic leukemia cells tend to be more mature. Acute leukemia is further divided into acute myeloid leukemia and acute lymphoblastic leukemia. Among them, acute myeloid leukemia is subdivided into eight types, from M0 to M7. Chronic leukemia is divided into two main categories: chronic lymphocytic leukemia and chronic myeloid leukemia. As the name suggests, acute leukemia has a rapid onset and a shorter survival period, whereas chronic leukemia develops more slowly and has a longer life expectancy.

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Written by Li Fang Fang

Hematology

53sec

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Symptoms of Acute Leukemia

The common symptoms of acute leukemia include four main categories: infection, anemia, bleeding, and tumor infiltration. Symptoms of infection manifest as fever, cough, expectoration, chest pain, abdominal pain, diarrhea, frequent urination, urgent urination, painful urination, skin infections, and perianal infections. Anemia is characterized by dizziness, fatigue, poor appetite, and decreased endurance. Symptoms of reduced platelets mainly involve bleeding, which can manifest as bleeding of the skin and mucous membranes, organ bleeding, and even cerebral hemorrhage. Tumor infiltration can manifest as gingival hyperplasia and skin rashes among other swellings.

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Written by Li Fang Fang

Hematology

52sec

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The Difference Between Acute Leukemia and Chronic Leukemia

The difference between acute and chronic leukemia lies in the maturity stage of the leukemia cells. Acute leukemia is characterized by more immature leukemia cells, while chronic leukemia cells tend to be more mature. Acute leukemia is further divided into acute myeloid leukemia and acute lymphoblastic leukemia. Among them, acute myeloid leukemia is subdivided into eight types, from M0 to M7. Chronic leukemia is divided into two main categories: chronic lymphocytic leukemia and chronic myeloid leukemia. As the name suggests, acute leukemia has a rapid onset and a shorter survival period, whereas chronic leukemia develops more slowly and has a longer life expectancy.

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Written by He Li Fang

Hematology

1min 16sec

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chronic granulocytic leukemia course

The course of chronic granulocytic leukemia is relatively long, as it is a type of chronic leukemia. Its onset is gradual, and its natural course includes four stages: asymptomatic phase, chronic phase, accelerated phase, and blast crisis phase. Most patients seek medical attention and are diagnosed only after symptoms appear, with very few patients discovering blood abnormalities during physical examinations or blood tests conducted for other reasons. At this point, the spleen may already be mildly enlarged, or not enlarged at all. In the early stages of the disease, some patients may experience an absolute increase in basophilic granulocytes. When the white blood cell count is less than 20×10^9/L, there is a decrease in neutrophil alkaline phosphatase activity in peripheral blood, and this decreases further as the disease progresses. When the white blood cell count exceeds 40×10^9/L, the spleen can be felt below the ribs. Between 30 and 90×10^9/L, a range of related clinical symptoms may appear.

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Written by Li Fang Fang

Hematology

56sec

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Does leukemia cause fever?

Leukemia patients do experience fever, which can be categorized into two main types: infectious fever and tumor fever. Infectious fever occurs due to the compromised resistance and lowered immunity of leukemia patients, potentially leading to various types of infections such as pulmonary infections, skin and mucous membrane infections, digestive system infections, urinary system infections, etc. Tumor fever, on the other hand, occurs in the late stages of leukemia and is caused by the abnormal proliferation of leukemia cells, leading to tumor-related fever. Typically, the temperature in tumor fever does not exceed 38 degrees Celsius, with early-stage fevers responding well to treatment, but late-stage fevers showing poorer responsiveness.

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Written by Li Fang Fang

Hematology

39sec

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How is acute leukemia chemotherapeutically treated?

Acute leukemia is first divided into two main categories: one is acute myeloid leukemia, and the other is acute lymphoblastic leukemia. The chemotherapy regimens for these two types are different. Among them, acute myeloid leukemia is further divided into eight types from M0 to M7, among which type M3 can be treated with oral targeted chemotherapy drugs, while other types of acute myeloid leukemia require chemotherapy for treatment. The other main category is acute lymphoblastic leukemia, which also requires chemotherapy for treatment.