Tumor

The tumor grows slowly, has cells that look similar to normal cells, and rarely spreads into nearby tissues. It may be possible to remove the entire tumor by surgery.
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Tumors of the Hand and Wrist
What are Tumors of the Hand and Wrist?
A tumor is an abnormal lump or mass of tissue in the body.
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Tumor, malignant giant cell: A type of bone tumor characterized by massive destruction of bone near the end (epiphysis) of a long bone. The site most commonly struck by this tumor is the knee -- the far end of the femur and the near end of the tibia.
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Tumor
Definition:
A tumor is a growth of tissue that forms an abnormal mass. Tumors generally provide no useful function and grow at the expense of healthy tissues.
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TUMOR - A growth or mass of abnormal tissue which resembles the normal tissue in structure, but which fulfills no useful function and which grows at the expense of the body. Tumors may be benign or malignant (spreading and infiltrate adjacent tissue).
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Tumor Scintigraphy
Programs that treat this condition or perform this procedure
This Health Topic is not associated with any programs or procedures.
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More on Tumor
Neoplasm - or tumor, tissue composed of cells that grow in an abnormal way. Normal tissue is growth-limited, i.e., cell reproduction is equal to cell death. Feedback controls limit cell division after a c...
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Pancoast Tumor Overview
Pancoast tumors are tumors that form at the extreme apex (very top) of either the right or left lung in the superior sulcus (a shallow furrow on the surface of the lung).
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Tumor Symptoms & Signs
Symptoms depend on the type and location of the tumor.
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Tumor pituitario
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TUMORS (including Fibroids)
SYMPTOMS"Tumors, swellings, or growths on the body. They seem to contain solid or semifluid material and be abnormal in their growth.
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A tumor is a swelling. To many, the term is synonymous with cancer. But any swelling — even a large bruise (hematoma) — is technically a tumor. Tumors can be cancerous or noncancerous.
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A tumor in the top of the spinal column can cause pain radiating from the arms or neck; a tumor in the lower spine may cause leg or back pain.
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When tumors develop in the pituitary gland, they are usually small, localized, slow-growing masses that start in one type of hormone-producing pituitary cells.
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Pseudotumor cerebri is a condition that causes increased intracranial pressure, or pressure within the brain, for unknown reasons. Symptoms are produced that are sometimes mistaken for a brain tumor.
What is going on in the body?
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Wilms' Tumor
Nephroblastoma, also known as Wilms' tumor, is the most common kidney cancer in children. The tumor usually appears in children less than five years of age (the median age is three), although it may develop in adolescence.
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AIDS-Associated Tumors
What are AIDS-associated tumors?
AIDS (acquired immunodeficiency syndrome) attacks the body's immune system.
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Carcinoid disease is sometimes called "cancer in slow motion" because it can lurk in the body for decades. Learn how carcinoid tumors are different from more common cancers.
Neuroendocrine Tumors Library
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Tumor Necrosis Factor (TNF)
A protein ( cytokine ) which mediates tumor cell necrosis and destroys cancer cells. Found in two forms :
TNFalpha (cachetin)
TNFbeta (lymphotoxin) The genes that encode both TNF forms are found in the MHC .
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Tumors may occur at any age, but many have a particular age group in which they are most common. The most common childhood brain tumors are astrocytoma, medulloblastoma, ependymoma, and brain stem glioma.
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Tumor suppressor genes
Research Interest:
The major focus of our laboratory is to study the role of the Rb-binding protein RIZ1 as a tumor suppressor involved in the Rb-p53 pathway.
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Tumor Virus Infections - Infections produced by oncogenic viruses. The infections caused by DNA viruses are less numerous but more diverse than those caused by the RNA oncogenic viruses.
Virus Diseases Definitions and Terms ...
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Tumor of the meninges, usually benign and slow-growing.
meningitis
Inflammation of the meninges as the result of infection by bacteria or viruses. Symptoms include high fever, headache, stiff neck and vomiting.
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TUMOR NECROSIS FACTOR (TNF): A cytokine, produced by macrophages, which helps activate T cells. It may also stimulate HIV activity.
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Tumor lysis syndrome
A side effect of some immunotherapies, like monoclonal antibodies, that lyse the tumor cells, due to the toxicity of flooding the bloodstream with such a quantity of cellular contents.
Last updated September 12, 2003 ...
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Tumor necrosis factor. A type of biological response modifier (a substance that can improve the body's natural response to disease).
TNFerade
A gene therapy product that is being studied as a treatment for cancer in combination with radiation therapy.
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tumor necrosis therapy (TNT) Investigational protocol for treatment of solid tumors by targeting and delivering cancer-fighting therapies to the nucleus of necrotic cells without affecting healthy tissues. See Cotara; also see TNT for solid tumors.
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A tumor or blood clot may be found in the heart.
More Information:
What heart conditions can be detected by echocardiography?
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If a tumor is benign, it will remain self-contained. A malignant--or cancerous--tumor, on the other hand, will invade neighboring tissues, ...
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Benign tumors are NOT cancer; malignant tumors are cancer. Cancer is NOT contagious.
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Fibroid tumors can produce a variety of symptoms. The most common are progressively heavier and longer menstrual periods, and occasional bleeding between periods.
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Another tumor that is much more prevalent in other parts of the world compared with the U.S. is liver cancer.
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Malignant tumor A tumor made up of cancer cells of the type that can spread to other parts of the body. Mammogram (Mammography) A low-dose x-ray / picture of the breasts to determine whether abnormal growths or cysts are present.
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Metastatic tumors in the lungs are malignancies (cancers) that developed at other sites and spread via the blood stream to the lungs.
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For localized tumors, mastectomy (removal of the whole breast) may be appropriate, but breast-conserving surgery (removal of the tumor and some surrounding tissue, sometimes called lumpectomy) followed by local radiation is often preferable.
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Non-cancerous tumors, called adenomatous polyps, may grow in the colon or rectum. In some individuals, these polyps eventually become cancerous and develop into colorectal cancer.
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A major component of the immune surveillance system, lymphatic tissue responds to inflammation, infections and malignant tumors. Any of these may cause an enlargement. For inflammation and infection, the nodes may be swollen and tender and movable.
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unusual growth, polyp, tumor, or cancer
Male and female urinary tracts ...
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An MRI (magnetic resonance imaging) is used to ensure that the compression is not caused by a tumor in the foot. An MRI also determines the size of the neuroma and whether the syndrome should be treated conservatively or aggressively.
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If the lump is malignant, the outcome depends on the degree to which the tumor has spread. Radiation therapy may be used in addition to surgery.
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9. Although rare, a pituitary tumor (a usually benign tumor) can cause an overproduction of prolactin which can interfere with the regulation of your menstrual cycle.
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HEMANGIOSARCOMA - Malignant tumor that arises from the blood vessels of the liver.
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Different BRMs target different messengers. For example etanercept, infliximab and adalimumab block an important chemical called tumor necrosis factor-alpha (TNF-α) while anakinra blocks interleukin-1.
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arthritis but they are also involved in normal processes of tissue morphogenesis and remodeling (implantation, bone morphogenesis, mammary gland involution) and also in pathological processes such as tissue repair, chronic inflammation and tumor ...
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