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An autologous tumor cell is a cancer cell from an individual's own tumor.
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An autologous tumor cell is a cancer cell from an individual's own tumor.
A Pancoast tumor is a tumor of the apex of the lung. It is a type of lung cancer defined primarily by its location situated at the top end of either the right or left lung. It typically spreads to nearby tissues such as the ribs and vertebrae. Most Pancoast tumors are non-small-cell lung cancers.
Anti-CD19 immunotoxin is a monoclonal antibody linked to a toxic substance. It is being studied in the treatment of some types of B-cell cancer. Anti-CD19 immunotoxin is made in the laboratory. It binds to CD19, a protein on the surface of normal B cells and B-cell tumors, and kills the cells.
Atiprimod is a substance being studied in the treatment of certain multiple myelomas and other advanced cancers. It may block the growth of tumors and the growth of blood vessels from surrounding tissue to the tumor. This drug is also being researched as a potential treatment for various autoimmune diseases. It was first developed by GlaxoSmithKline as a potential treatment for rheumatoid arthritis. The substance is also known as azaspirane, although this more properly refers to the class of chemicals to which atiprimod belongs.
A bone-seeking radioisotope is a radioactive substance that is given through a vein, and collects in bone cells and in tumor cells that have spread to the bone. It kills cancer cells by giving off low-level radiation.
A chemosensitivity assay is a laboratory test that measures the number of tumor cells that are killed by chemotherapy. The test is done after the tumor cells are removed from the body. A chemosensitivity assay may help in choosing the best drug or drugs for the cancer being treated.
Autologous stem-cell transplantation is autologous transplantation of stem cells—that is, transplantation in which stem cells are removed from a person, stored, and later given back to that same person.
Spindle cell sarcoma is a type of connective tissue cancer in which the cells are spindle-shaped when examined under a microscope. The tumors generally begin in layers of connective tissue such as that under the skin, between muscles, and surrounding organs, and will generally start as a small lump with inflammation that grows. At first the lump will be self-contained as the tumor exists in its stage 1 state, and will not necessarily expand beyond its encapsulated form. However, it may develop cancerous processes that can only be detected through microscopic examination. As such, at this level the tumor is usually treated by excision that includes wide margins of healthy-looking tissue, followed by thorough biopsy and additional excision if necessary. The prognosis for a stage 1 tumor excision is usually fairly positive, but if the tumors progress to levels 2 and 3, prognosis is worse because tumor cells have likely spread to other locations. These locations can either be nearby tissues or system-wide locations that include the lungs, kidneys, and liver. In these cases prognosis is grim and chemotherapy and radiation are the only methods of controlling the cancer.
Microstaging is a technique used to help determine the stage (extent) of melanoma and certain squamous cell cancers. A sample of skin that contains tumor tissue is examined under a microscope to find out how thick the tumor is and/or how deeply the tumor has grown into the skin or connective tissues.
Clear cell sarcoma of the kidney (CCSK) is an extremely rare type of kidney cancer comprising 3% of all pediatric renal tumours. Clear cell sarcoma of the kidney can spread from the kidney to other organs, most commonly the bone, but also including the lungs, brain, and soft tissues of the body.
According to the National Cancer Institute, a tumor antigen vaccine is a "vaccine made of cancer cells, parts of cancer cells, or pure tumor antigens ". A tumor antigen vaccine may stimulate the body's immune system to find and kill cancer cells. As such, tumor antigen vaccines are a type of cancer immunotherapy.
Tumor-infiltrating lymphocytes are white blood cells that have left the bloodstream and migrated towards a tumor. They include T cells and B cells and are part of the larger category of ‘tumor-infiltrating immune cells’ which consist of both mononuclear and polymorphonuclear immune cells, in variable proportions. Their abundance varies with tumor type and stage and in some cases relates to disease prognosis
Giant-cell fibroblastoma is a rare type of soft-tissue tumor marked by painless nodules in the dermis and subcutaneous tissue. These tumors may come back after surgery, but they do not spread to other parts of the body. They occur mostly in boys and are related to dermatofibrosarcoma protuberans.
An octreotide scan is a type of scintigraphy used to find carcinoid, pancreatic neuroendocrine tumors, and to localize sarcoidosis. It is also called somatostatin receptor scintigraphy (SRS). Octreotide, a drug similar to somatostatin, is radiolabeled with indium-111, and is injected into a vein and travels through the bloodstream. The radioactive octreotide attaches to tumor cells that have receptors for somatostatin. A gamma camera detects the radioactive octreotide, and makes pictures showing where the tumor cells are in the body.
A chemosensitizer is a drug that makes tumor cells more sensitive to the effects of chemotherapy.
Vaccine therapy is a type of treatment that uses a substance or group of substances to stimulate the immune system to destroy a tumor or infectious microorganisms such as bacteria or viruses.
Tumor initiation is defined as "a process in which normal cells are changed so that they are able to form tumors". It is the first phase in tumor development. Mutagens, substances that cause cancer can be tumor initiators.
Embryoma is a mass of rapidly growing cells believed to originate in embryonic (fetal) tissue. Embryonal tumors may be benign or malignant, and include neuroblastomas and Wilms tumors. Also called embryoma. Embryomas have been defined as: "Adult neoplasms expressing one or more embryo-exclusive genes."
Segmental resection is a surgical procedure to remove part of an organ or gland, as a sub-type of a resection, which might involve removing the whole body part. It may also be used to remove a tumor and normal tissue around it. In lung cancer surgery, segmental resection refers to removing a section of a lobe of the lung. The resection margin is the edge of the removed tissue; it is important that this shows free of cancerous cells on examination by a pathologist.
Tumor progression is the third and last phase in tumor development. This phase is characterised by increased growth speed and invasiveness of the tumor cells. As a result of the progression, phenotypical changes occur and the tumor becomes more aggressive and acquires greater malignant potential. Together with the progression, more and more aneuploidy occurs. This may be evident as nuclear polymorphism.
Stromagen is a product that is made of stem cells taken from a patient's bone marrow and grown in the laboratory. After a patient's bone marrow is destroyed by treatment with whole body irradiation or chemotherapy, these cells are injected back into the patient to help rebuild bone marrow. Stromagen has been studied in the prevention of graft-versus-host disease during stem cell transplant in patients receiving treatment for cancer. Stromagen is used in cellular therapy. Also called autologous expanded mesenchymal stem cells OTI-010. Peripheral stem cell transplantation may allow doctors to give higher doses of chemotherapy and kill more tumor cells. It is not yet known whether Stromagen improves the success of stem cell transplantation in women with breast cancer.
This article incorporates public domain material from the U.S. National Cancer Institute document: "Dictionary of Cancer Terms".
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