Acute leukemia

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  • Remarkable advances have been made in the understanding and treatment of leukemia since its first description by Alfred Velpeau in 1827 and Alfred Donné in 1844. John Hughes Bennett gave the first official diagnosis back in 1845, and in 1856, the pathologist Rudolf Virchow coined the term leukemia from the Greek words “leukos” and “heima,” also meaning “white blood”. In 1970, it was first confirmed that some patients could be cured of leukemia, and by 1990s, the cure rate for leukemia was around 70 percent.

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Frequency analysis of TRBV subfamily sjTRECs to characterize T-cell reconstitution in acute leukemia patients after allogeneic hematopoietic stem cell transplantation...

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Pro-apoptotic activity of a-bisabolol in preclinical models of primary human acute leukemia cells

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Allogeneic hematopoietic stem cell transplantation for acute leukemia with Gilbert’s syndrome...

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài:Temozolomide and cisplatin in relapsed/refractory acute leukemia

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài:Autonomous growth potential of leukemia blast cells is associated with poor prognosis in human acute leukemias

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  • Tuyển tập các báo cáo nghiên cứu về hóa học được đăng trên tạp chí sinh học đề tài : Pro-apoptotic activity of a-bisabolol in preclinical models of primary human acute leukemia cells

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  • T-cell leukemia is relatively rare malignancy of thymocytes. There are around 20 entities and variants of this disease. Each of them has different characteristics, including pathogenesis, epidemiology, diagnosis, therapeutic approaches, and prognosis. Although T-cell leukemia is relatively rare malignancy, many types of T-cell leukemias still have a very poor prognosis due to rapid progression.

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  • This book describes different perspectives of childhood acute lymphoblastic leukemia. The approach includes aspects of molecular epidemiology, particularly molecular features that influence the genesis and prognosis of the disease. Some aspects of the prognosis of lymphoblastic leukemias are very detailed, highlighting the use of molecular biology in the early identification of complications that may occur in diseased patients.

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  • Harrison's Internal Medicine Chapter 104. Acute and Chronic Myeloid Leukemia Acute and Chronic Myeloid Leukemia: Introduction The myeloid leukemias are a heterogeneous group of diseases characterized by infiltration of the blood, bone marrow, and other tissues by neoplastic cells of the hematopoietic system. In 2006 the estimated number of new myeloid leukemia cases in the United States was 16,430. These leukemias comprise a spectrum of malignancies that, untreated, range from rapidly fatal to slowly growing.

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  • Tham khảo tài liệu 'chapter 104. acute and chronic myeloid leukemia (part 10)', y tế - sức khoẻ, y học thường thức phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • Immunophenotype and Relevance to the WHO Classification The immunophenotype of human leukemia cells can be studied by multiparameter flow cytometry after the cells are labeled with monoclonal antibodies to cell-surface antigens. This can be important for separating AML from acute lymphoblastic leukemia (ALL) and identifying some types of AML. For example, AML that is minimally differentiated (immature morphology and no lineage-specific cytochemical reactions) is diagnosed by flow-cytometric demonstration of the myeloid-specific antigens cluster designation (CD) 13 or 33.

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  • Chronic Myelogenous Leukemia: Treatment The therapy of CML is changing rapidly because we have a proven curative treatment (allogeneic transplantation) that has significant toxicity and a new targeted treatment (imatinib) with excellent outcome based on 5-year follow-up data. Therefore, physician experience and patient preference must be factored into the treatment selection process. Discussion of both treatment options with a patient is indicated. The decision should focus on the outcomes, risks, and toxicities of the various approaches.

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  • Tham khảo tài liệu 'chapter 104. acute and chronic myeloid leukemia (part 14)', y tế - sức khoẻ, y học thường thức phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • Table 104-1 Acute Myeloid Leukemia (AML) Classification Systems World Health Organization Classificationa I. AML with recurrent genetic abnormalities AML with t(8;21)(q22;q22);RUNX1/RUNX1T1b AML with abnormal bone marrow eosinophils [inv(16)(p13q22) or t(16;16)(p13;q22);CBFB/MYH11]b Acute promyelocytic leukemia [AML with t(15;17)(q22;q12) (PML/RARα) and variants]b AML with 11q23 (MLL) abnormalities II.

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  • Clinical Presentation Symptoms Patients with AML most often present with nonspecific symptoms that begin gradually or abruptly and are the consequence of anemia, leukocytosis, leukopenia or leukocyte dysfunction, or thrombocytopenia. Nearly half have had symptoms for ≤3 months before the leukemia was diagnosed. Half mention fatigue as the first symptom, but most complain of fatigue or weakness at the time of diagnosis. Anorexia and weight loss are common. Fever with or without an identifiable infection is the initial symptom in ~10% of patients.

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  • Morphology of AML cells. A. Uniform population of primitive myeloblasts with immature chromatin, nucleoli in some cells, and primary cytoplasmic granules. B. Leukemic myeloblast containing an Auer rod. C. Promyelocytic leukemia cells with prominent cytoplasmic primary granules.

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  • Acute Myeloid Leukemia: Treatment Treatment of the newly diagnosed patient with AML is usually divided into two phases, induction and postremission management (Fig. 104-2). The initial goal is to quickly induce CR. Once CR is obtained, further therapy must be used to prolong survival and achieve cure. The initial induction treatment and subsequent postremission therapy are often chosen based on the patient's age.

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  • Treatment of Promyelocytic Leukemia Tretinoin is an oral drug that induces the differentiation of leukemic cells bearing the t(15;17). APL is responsive to cytarabine and daunorubicin, but about 10% of patients treated with these drugs die from DIC induced by the release of granule components by dying tumor cells. Tretinoin does not produce DIC but produces another complication called the retinoic acid syndrome. Occurring within the first 3 weeks of treatment, it is characterized by fever, dyspnea, chest pain, pulmonary infiltrates, pleural and pericardial effusions, and hypoxia.

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  • Chronic Myelogenous Leukemia Incidence The incidence of chronic myelogenous leukemia (CML) is 1.5 per 100,000 people per year, and the age-adjusted incidence is higher in men than in women (2.0 versus 1.2). The incidence of CML increases slowly with age until the middle forties, when it starts to rise rapidly. CML incidence for males decreased slightly (4.4%) between 1997 and 2003 as compared to 1977–1997. Definition The diagnosis of CML is established by identifying a clonal expansion of a hematopoietic stem cell possessing a reciprocal translocation between chromosomes 9 and 22.

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