How is acute leukemia chemotherapeutically treated?

Written by Li Fang Fang

Hematology

Updated on September 05, 2024

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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.

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Written by He Li Fang

Hematology

1min 56sec

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Chronic granulocytic leukemia etiology

Chronic granulocytic leukemia is a myeloproliferative tumor originating from multipotent stem cells. It is characterized by the translocation of chromosomes 9 and 22 forming the BCR/ABL fusion gene. The Philadelphia chromosome is a characteristic change in chronic granulocytic leukemia, first discovered and named in Philadelphia in 1960. Initially, it was observed as a deletion of the long arm of the primary chromosome in dividing blood cells of patients with this leukemia. Currently, studies have shown that abnormalities in the interaction between hematopoietic progenitor cells and the stroma might be central to treating the disease. Abnormal adhesion and anchoring characteristics of progenitor cells lead to disrupted cell maturation and proliferation. Chronic granulocytic cells do not adhere to stromal cells as normal cells do, particularly lacking integrin-mediated adhesion. Additionally, the expression of the adhesion molecule lymphocyte function-associated antigen 3 is also reduced in these cells. Therefore, the progression of the disease results from clonal changes. During the transformation of chronic granulocytic leukemia to acute myeloid leukemia, there is an increased rate of genetic mutations. Changes in gene expression during the progression involve various aspects, including nucleosome sugar metabolism, bone marrow myeloid differentiation, genomic instability of cell apoptosis genes, and processes related to DNA damage repair.

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Written by He Li Fang

Hematology

53sec

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Causes of Chronic Myeloid Leukemia

Chronic granulocytic leukemia, also known as chronic myeloid leukemia, is a myeloproliferative tumor originating from pluripotent stem cells. It is characterized by a specific chromosomal alteration, commonly referred to as the Philadelphia chromosome, which is formed by the translocation of chromosomes 9 and 22, resulting in the formation of the BCR-ABL fusion gene at the molecular level. Chronic granulocytic leukemia is a clonal disease originating from pluripotent stem cells. Due to a significant expansion of the progenitor cell pool, there is excessive proliferation of myeloid cells and increased granulocyte production. The slow clearance of granulocytes leads to the accumulation of granulocytes in the body, which is the main cause of the disease.

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Written by Li Fang Fang

Hematology

51sec

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Is chronic myeloid leukemia scary?

Chronic myeloid leukemia, though a type of leukemia, is not terrifying because there are targeted drugs available for it, namely tyrosine kinase inhibitors. These inhibitors have been developed into first, second, and third-generation products. Most cases of chronic granulocytic leukemia can achieve clinical remission after oral administration of tyrosine kinase inhibitors. Some patients might experience a blast crisis, acceleration phase, or relapse during treatment, but they can switch to higher-grade tyrosine kinase inhibitors or undergo allogeneic hematopoietic stem cell transplantation. Thus, chronic myeloid leukemia is no longer considered a frightening disease. (Please use medication under the guidance of a doctor.)

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Written by Li Bao Hua

Dentistry

56sec

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Is bleeding when brushing teeth leukemia?

Bleeding during brushing is not necessarily leukemia; it could also be due to gingivitis or periodontitis. Bleeding can occur around the teeth where there are irritants like soft plaque or dental plaque. These irritants chronically stimulate the gingival tissues, causing them to be in a congested state. A stimulus, such as brushing, can then lead to bleeding of the gums. This condition is a common early sign of gingivitis or periodontitis. After dental cleaning to remove these irritants, followed by rinsing and medicating the area around the gums, the condition of gingivitis can be improved. Therefore, if bleeding during brushing can be improved through dental cleaning and medication, it indicates that the bleeding is simply caused by gingivitis or periodontitis, and not leukemia.

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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.