LEUKEMIA LIMFOBLASTIK AKUT PDF

Journal Template. Statement of Originality. Meskipun cukup jarang terjadi pada orang dewasa, namun risiko meningkat seiring usia. Sebagian kasus muncul pada anak, namun kematian terjadi lebih banyak pada dewasa. Prognosis LLA pada dewasa tergantung dari subtipe nya dan dapat memburuk dengan cepat tanpa tatalaksana yang tepat.

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Cancer starts when cells in the body begin to grow out of control. There are many kinds of cancer. Cells in nearly any part of the body can become cancer. To learn more about cancer and how it starts and spreads, see What Is Cancer? Leukemias are cancers that start in cells that would normally develop into different types of blood cells. Most often, leukemia starts in early forms of white blood cells, but some leukemias start in other blood cell types.

There are several types of leukemia, which are divided based mainly on whether the leukemia is acute fast growing or chronic slower growing , and whether it starts in myeloid cells or lymphoid cells. Acute lymphocytic leukemia ALL is also called acute lymphoblastic leukemia. ALL starts in the bone marrow the soft inner part of certain bones, where new blood cells are made. Most often, the leukemia cells invade the blood fairly quickly. They can also sometimes spread to other parts of the body, including the lymph nodes, liver, spleen, central nervous system brain and spinal cord , and testicles in males.

Some cancers can also start in these organs and then spread to the bone marrow, but these cancers are not leukemia. Other types of cancer that start in lymphocytes are known as lymphomas either non-Hodgkin lymphoma or Hodgkin lymphoma. While leukemias like ALL mainly affect the bone marrow and the blood, lymphomas mainly affect the lymph nodes or other organs but may also involve the bone marrow. Sometimes it can be hard to tell if a cancer of lymphocytes is a leukemia or a lymphoma.

Bone marrow is the soft inner part of certain bones. It is made up of blood-forming cells, fat cells, and supporting tissues.

A small fraction of the blood-forming cells are blood stem cells. Inside the bone marrow, blood stem cells go through a series of changes to make new blood cells. During this process, the cells develop into 1 of the 3 main types of blood cell components:.

Red blood cells RBCs carry oxygen from the lungs to all other tissues in the body, and take carbon dioxide back to the lungs to be removed. Platelets are actually cell fragments made by a type of bone marrow cell called a megakaryocyte. Platelets are important in plugging up holes in blood vessels caused by cuts or bruises.

White blood cells WBCs help the body fight infections. The main types of WBCs include lymphocytes, granulocytes, and monocytes. Lymphocytes are the main cells that make up lymph tissue, a major part of the immune system. Lymph tissue is found in lymph nodes, the thymus, the spleen, the tonsils and adenoids, and is scattered throughout the digestive and respiratory systems and the bone marrow.

Lymphocytes develop from cells called lymphoblasts to become mature, infection-fighting cells. There are 2 main types of lymphocytes:. ALL develops from early forms of lymphocytes. It can start in either early B cells or T cells at different stages of maturity. Granulocytes are WBCs that have granules in them, which are spots that can be seen under the microscope. These granules contain enzymes and other substances that can destroy germs, such as bacteria. The 3 types of granulocytes — neutrophils, basophils, and eosinophils — are distinguished by the size and color of their granules.

Monocytes also help protect the body against bacteria. After circulating in the bloodstream for about a day, monocytes enter body tissues to become macrophages, which can destroy some germs by surrounding and digesting them.

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What Is Acute Lymphocytic Leukemia (ALL)?

Acute lymphoblastic leukemia ALL is a cancer of the lymphoid line of blood cells characterized by the development of large numbers of immature lymphocytes. In most cases, the cause is unknown. ALL is typically treated initially with chemotherapy aimed at bringing about remission. ALL affected about , people globally in and resulted in about , deaths. Initial symptoms can be nonspecific, particularly in children. The B symptoms , such as fever, night sweats, and weight loss, are often present as well. The signs and symptoms of ALL are variable and include: [17].

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Acute lymphoblastic leukemia

Download full text Bahasa Indonesia, 7 pages. Yakin, Rahimul, et al. The purpose of this study to determine the probability of survival 3 years In children with acute lymphoblastic leukemia between protocols and This study used a mix method of retrospective cohorts and in-depth interviews.

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