什麼是AML (ACUTE MYELOID LEUKEMIA) 是否有得救?作者: tonyic 時間: 2012-2-27 09:24 AM
Acute myeloid leukemia (AML), also known as acute myelogenous leukemia, is a cancer of the myeloid line of blood cells, characterized by the rapid growth of abnormal white blood cells that accumulate in the bone marrow and interfere with the production of normal blood cells. AML is the most common acute leukemia affecting adults, and its incidence increases with age. Although AML is a relatively rare disease, accounting for approximately 1.2% of cancer deaths in the United States,[1] its incidence is expected to increase as the population ages.& m" F B+ M8 N1 i
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The symptoms of AML are caused by replacement of normal bone marrow with leukemic cells, which causes a drop in red blood cells, platelets, and normal white blood cells. These symptoms include fatigue, shortness of breath, easy bruising and bleeding, and increased risk of infection. Several risk factors and chromosomal abnormalities have been identified, but the specific cause is not clear. As an acute leukemia, AML progresses rapidly and is typically fatal within weeks or months if left untreated.www2.tvboxnow.com, V: i. o' g u! D9 p
$ o# M. M- q" e1 N3 k# rAML has several subtypes; treatment and prognosis varies among subtypes. Five-year survival varies from 15–70%, and relapse rate varies from 33-78%, depending on subtype. AML is treated initially with chemotherapy aimed at inducing a remission; patients may go on to receive additional chemotherapy or a hematopoietic stem cell transplant. Recent research into the genetics of AML has resulted in the availability of tests that can predict which drug or drugs may work best for a particular patient, as well as how long that patient is likely to survive.作者: ausho 時間: 2012-2-27 11:23 AM
Thank you very much, tonyic, nice and clear.作者: my40 時間: 2012-2-27 05:31 PM
1 ]2 P3 V( z B) Rtvb now,tvbnow,bttvb ⑶.出血 约60%的初诊AML有不同程度出血，皮肤黏膜(鼻、口腔及牙龈)出血最常见，眼底、球结膜出血较易见，女性可有月经增多，血尿较少见，但镜下血尿不易被发现，严重的胃肠、呼吸道和颅内出血虽不多见却常是致死的原因。急性白血病出血的机制较复杂：骨髓衰竭导致血小板减少是最重要的原因。通常血小板<20×109/L时多伴高危出血倾向，若合并全身感染或严重贫血时更可加重出血；化疗、细菌内毒素和白血病细胞浸润损伤血管内皮以及凝血障碍都是引起出血的因素。
