Does leukemia cause fever?

Written by Li Fang Fang
Hematology
Updated on September 22, 2024
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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
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The difference between chronic granulocytic leukemia and leukemia.

Chronic granulocytic leukemia is a type of leukemia. Leukemia can be divided into acute leukemia and chronic leukemia. Acute leukemia is further divided into acute myeloid leukemia and acute lymphoblastic leukemia. Among these, acute myeloid leukemia can be divided into eight subtypes from M0 to M7, and acute lymphoblastic leukemia can be divided into three subtypes from L0 to L3. Chronic leukemia is further divided into chronic granulocytic leukemia and chronic lymphocytic leukemia. Therefore, chronic granulocytic leukemia is a subtype of leukemia.

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Written by Zhang Xiao Le
Hematology
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What is acute leukemia?

Acute leukemia is a malignant clonal disease originating from hematopoietic stem progenitor cells. Normally, hematopoietic stem progenitor cells differentiate into white blood cells, which gradually mature into normal white blood cells. However, leukemia cells are primitive cells and immature cells, which means that the hematopoietic stem cells lose the ability to differentiate and mature. Additionally, they proliferate massively in the bone marrow while suppressing normal hematopoietic functions, and can widely infiltrate various organs such as the liver, spleen, and lymph nodes. Due to the suppression of bone marrow hematopoiesis, patients may exhibit clinical manifestations such as anemia, bleeding, and infections. Patients with acute leukemia often seek medical attention because of fever, fatigue, or bleeding from the skin and mucous membranes.

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Written by Li Fang Fang
Hematology
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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
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How is leukemia treated?

Leukemia treatment currently mainly consists of three aspects: supportive care, chemotherapy, and transplantation. Supportive care refers to actively preventing and treating infections, as well as transfusing red blood cells and platelets in leukemia patients, who often suffer from repeated infections, anemia, and bleeding. Chemotherapy can be divided into oral chemotherapy and intravenous chemotherapy, depending on the specific type of leukemia. Transplantation can be divided into autologous hematopoietic stem cell transplantation and allogeneic hematopoietic stem cell transplantation. Autologous transplantation costs less and has fewer side effects but has a higher relapse rate. Allogeneic transplantation is more costly, has more severe side effects, but a lower relapse rate. Whether to undergo autologous or allogeneic hematopoietic stem cell transplantation depends on the specific type of disease and the patient's individual circumstances.

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Written by He Li Fang
Hematology
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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.