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In an allogeneic transplant, stem cells are collected from a matching donor and transplanted into the patient to suppress the disease and restore the patient’s immune system. An allogeneic stem cell transplant is different from an autologous stem cell transplant, which uses stem cells from the patient’s own body. One complication of allogeneic transplantation is that the patient’s body—despite the treatment to suppress the immune system—may reject the donated stem cells before they are able to engraft in the bone marrow. The patient’s immune cells may see the donor’s cells as foreign and destroy them. Another complication of allogeneic transplantation is that the immune cells from the donor (the graft) may attack healthy cells in the patient’s body (host). This is called “graft-versus-host-disease” (GVHD). The parts of the body that are most commonly damaged by GVHD are the skin, intestines, liver, muscles, joints and eyes.

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Neutropenia is when a person has a low level of neutrophils. Neutrophils are a type of white blood cell. All white blood cells help the body fight infection. Neutrophils fight infection by destroying harmful bacteria and fungi (yeast) that invade the body. Neutrophils are made in the bone marrow. People with neutropenia have an unusually low number of cells called neutrophils. Neutrophils are cells in your immune system that attack bacteria and other organisms when they invade your body. Neutrophils are a type of white blood cell. Your bone marrow creates these cells. They then travel in your bloodstream and move to areas of infection where they ingest and then neutralize the offending bacteria.

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Remission is where the symptoms of cancer are no longer present. There is no longer any evidence of the disease using the available investigations. A decrease in or disappearance of signs and symptoms of cancer. In partial remission, some, but not all, signs and symptoms of cancer have disappeared. In complete remission, all signs and symptoms of cancer have disappeared, although cancer still may be in the body. It means you have either little or no sign of cancer in your body. It doesn’t show up on X-rays, MRI scans, or blood tests. Symptoms, like pain or fatigue, often ease up or stop.

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Angiogenesis is the formation of new blood vessels. This process involves the migration, growth, and differentiation of endothelial cells, which line the inside wall of blood vessels. The process of angiogenesis is controlled by chemical signals in the body. Some of these signals, such as vascular endothelial growth factor (VEGF), bind to receptors on the surface of normal endothelial cells. When VEGF and other endothelial growth factors bind to their receptors on endothelial cells, signals within these cells are initiated that promote the growth and survival of new blood vessels. Other chemical signals, called angiogenesis inhibitors, interfere with blood vessel formation.

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Cancer prevention is action taken to lower the risk of getting cancer. This can include maintaining a healthy lifestyle, avoiding exposure to known cancer-causing substances, and taking medicines or vaccines that can prevent cancer from developing. Prevention offers the most cost-effective long-term strategy for the control of cancer. National policies and programmes should be implemented to raise awareness, to reduce exposure to cancer risk factors and to ensure that people are provided with the information and support they need to adopt healthy lifestyles: Tobacco, Physical inactivity, dietary factors, obesity and being overweight, Alcohol use, Infections, Environmental pollution, Occupational carcinogens, Radiation.

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Hodgkin disease is a type of lymphoma. Lymphoma is a cancer of a part of the immune system called the lymph system. The first sign of Hodgkin disease is often an enlarged lymph node. The disease can spread to nearby lymph nodes. Later it may spread to the lungs, liver, or bone marrow. Hodgkin disease is a type of lymphoma. Lymphoma is a cancer of a part of the immune system called the lymph system. The first sign of Hodgkin disease is often an enlarged lymph node. The disease can spread to nearby lymph nodes. Later it may spread to the lungs, liver, or bone marrow. The exact cause is unknown. Hodgkin disease is rare. Symptoms include: Painless swelling of the lymph nodes in the neck, armpits, or groin, Fever and chills, Night sweats, Weight loss, Loss of appetite, Itchy skin.

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Dysplasia Cells that look abnormal under a microscope but are not cancer. Normal cells may become cancer cells. Before cancer cells form in tissues of the body, the cells go through abnormal changes called hyperplasia and dysplasia. In hyperplasia, there is an increase in the number of cells in an organ or tissue that appear normal under a microscope. In dysplasia, the cells look abnormal under a microscope but are not cancer. Hyperplasia and dysplasia may or may not become cancer. The terms hip dysplasia, fibrous dysplasia, and renal dysplasia refer to an abnormal development, at macroscopic or microscopical level. Myelodysplastic syndromes, or dysplasia of blood-forming cells, show increased numbers of immature cells in the bone marrow, and a decrease in mature, functional cells in the blood

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Apheresis is a medical technology in which the blood of a person is passed through an apparatus that separates out one particular constituent and returns the remainder to the circulation. It is thus an extracorporeal therapy. Depending on the substance that is being removed, different processes are employed in apheresis. If separation by density is required, centrifugation is the most common method. Other methods involve absorption onto beads coated with an absorbent material and filtration.  It is a procedure that involves removing blood, separating it into plasma, platelets, and leukocytes, and removing the blood part that is causing a particular disease or condition. The remaining blood parts are then re-transfused into the person.

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Acute myeloid leukemia (AML) starts in the bone marrow (the soft inner part of certain bones, where new blood cells are made), but most often it quickly moves into the blood, as well. It can sometimes spread to other parts of the body including the lymph nodes, liver, spleen, central nervous system (brain and spinal cord), and testicles. It is  a type of leukemia, or cancer of the blood and blood-forming tissue, where many abnormal granulocytes (a type of white blood cell) are produced by the body. Most often, AML develops from cells that would turn into white blood cells (other than lymphocytes), but sometimes AML develops in other types of blood-forming cells. The different types of AML are discussed in Acute Myeloid Leukemia (AML) Subtypes and Prognostic Factors. Acute myeloid leukemia (AML) has many other names, including acute myelocytic leukemia, acute myelogenous leukemia, acute granulocytic leukemia, and acute non-lymphocytic leukemia.

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The forecast of the probable outcome or course of a disease; the patient’s chance of ‘recovery. Some of the factors that affect prognosis include: The type of cancer and where it is in your body, The stage of the cancer, which refers to the size of the cancer and if it has spread to other parts of your body, The cancer’s grade, which refers to how abnormal the cancer cells look under a microscope. Grade provides clues about how quickly the cancer is likely to grow and spread, Certain traits of the cancer cells, Your age and how healthy you were before cancer, How you respond to treatment.

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