Tumor

Pseudotumor cerebri is a condition in which there is: An increase in the pressure of the fluid surrounding the brain and spinal cord, the cerebrospinal fluid (CSF), leading most commonly to headache.

Tumor lysis syndrome occurs most often in patients with acute leukemia with high WBC counts and in those with high-grade lymphomas in response to aggressive treatment.

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.

Tumores astrocíticos: abarcan astrocitomas (menos malignos), astrocitomas anaplásicos y glioblastomas (los más malignos). Con el tiempo, los astrocitomas pueden progresar a formas más malignas, incluyendo glioblastoma.

Tumor (definition) (tu'mor) (tumour) (Latin. Tumere - to swell) A tumor is an enlargement of the tissues by normal or pathologic material or cells that form a mass. It may be an inflammatory or a benign or a malignant new growth of cells or tissue.

Tumor Scintigraphy Programs that treat this condition or perform this procedure This Health Topic is not associated with any programs or procedures.

A tumor is an abnormal growth of body tissue. Tumors can be cancerous (malignant) or non-cancerous (benign). Causes ...

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...

Wilms' tumor is is a cancerous tumor of the kidney that occurs in children. It's the most common malignant tumor of the kidney and is a cancer that originates in the cells of the kidney, and occurs in children from infancy to age 15.

Spinal tumor - Comprehensive overview covers symptoms, treatment of growth in or near spinal cord. ... A spinal tumor, whether cancerous or not, can threaten ... Full article ...

Tumor Marker Tests Peer Review Status: Internally Reviewed by Cancer Center Staff First Published: 1997 ...

Tumor Symptoms & Signs Symptoms depend on the type and location of the tumor.

Tumors are abnormal masses of tissue that form when cells begin to reproduce at an increased rate. The liver can grow both non-cancerous (benign) and cancerous (malignant) tumors. What are non-cancerous liver tumors?

Tumors are removed because they cause problems such as bleeding, infection, or blockage. Cancerous tumors may spread to other parts of your body. How do I prepare for a transurethral bladder tumor resection?

Tumor - salivary duct Definition of Salivary gland tumors: Salivary gland tumors are abnormal cells growing in the ducts that drain the salivary glands.

Tumor - metastatic pleural Causes Cancer cells can be transported by the blood and lymph systems to other organs in the body, where they can produce new growths or tumors.

Tumor sites outside the gonad are called extragonadal sites. The tumors also occur along the midline path and can be found in the head, chest, abdomen, pelvis, and sacrococcygeal (lower back) area.

Tumors are removed because they are cancerous and can cause problems such as bleeding, infection, or blockage. Cancerous tumors may spread to other parts of your body. Examples of alternatives are: ...

Tumor - pituitary Causes, incidence, and risk factors: The pituitary gland is a pea-sized endocrine gland located at the base of the brain.

Tumor - salivary duct Causes, incidence, and risk factors The salivary glands are located around the mouth. They produce saliva, which moistens food to aid chewing and swallowing.

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.

Tumor Markers: Q&A Clinical Trials Information and current news about clinical trials and trial-related data Childhood Cancer Trial Results ...

Tumors in the pituitary are frequently benign, and total removal makes the tumors less likely to recur. Since the pituitary is at the base of the skull, approaches for removal of a pituitary tumor may involve entry through the nose or the upper gum.

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.

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?

Brain Tumor - Symptoms at Onset of Disease The MedicineNet physician editors ask: The symptoms of brain tumor can vary greatly from patient to patient. What were your symptoms at the onset of your disease?

Wilms' tumor can occur as part of rare syndromes, including: WAGR syndrome. This syndrome includes Wilms' tumor, aniridia, abnormalities of the genitals and urinary system, and mental retardation. Denys-Drash syndrome.

A Wilms tumor is a malignant tumor on the kidney. This is the most common childhood kidney cancer and forms while the baby is still in the womb. Although the Wilms tumor is the most common kidney cancer in children, it is still rare.

Carcinoid tumors have also been called "cancers in slow motion." Even though they have the potential for being malignant, ...

Mediastinal tumor resection is the name for the procedure that involves the removal of tumors in the area of the chest cavity that separates the lungs. Regions of the Lung * ...

Wilms' tumor is one of the most common cancers in children. The most common age at diagnosis is 2 to 3 years, just as... Yeast Infections and Diabetes ...

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 .

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.

Tumors of the heart are uncommon, and most heart tumors are benign (non-cancerous). However, cardiac sarcoma is a rare cancer that occurs in or on the heart. This type of tumor is almost always malignant (cancerous).

Tumor suppressor genes usually control cell growth and cell death. Both copies of a tumor suppressor gene must be altered, or mutated, before a person will develop cancer.

Tumors or lumps in your throat. Birth defects, brain tumors, head injury, infection, or swelling of your brain. Stroke, a condition where there is a blocked or burst blood vessel in your head, can damage the brain.

Tumor markers are chemical substances that are produced by some cancer cells. Most of these substances can normally be found in the bloodstream in small amounts even when cancer is not present.

Tumor, usually benign, or swelling composed of lymph and blood vessels. About Our Practice Meet Our Clinicians Meet Our Staff Our Services ...

Tumor testing If you or someone in your family has been diagnosed with cancer, special testing may reveal whether the tumor has specific characteristics of Lynch syndrome cancers.

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 ...

Tumors Kyphosis can also be seen in association with scoliosis (an abnormal sideways curvature of the spine seen in children and adolescents). Risk factors are related to the cause of the Kyphosis. Page 1 2 3 ...

tumors or bronchial cancer airway obstructions and/or strictures (narrowed areas) inflammation and infections such as tuberculosis, pneumonia, or fungal or parasitic lung infections interstitial pulmonary disease ...

Tumor: an abnormal growth of tissue that can be benign or malignant (cancerous) Ultrasound (US): use of high frequency sound waves for creating an image of internal body parts Urethra: the tube through which urine from the bladder is expelled ...

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. or find more on: ...

TUMOR NECROSIS FACTOR A macrophage produced cytokine that helps activate T-cells. It is also thought to upregulate HIV replication, and may contribute to the pathogenesis of wasting.

Tumor Pathogenesis. Morphological and physiological changes associated with tumor growth. Tumor-Suppressor Genes. Genes that normally restrain cell growth but, when missing or inactivated by mutation, allow cells to grow uncontrolled.

Tumor An abnormal mass of tissue that is not inflammatory, arises from cells of pre-existent tissues, and serves no useful purpose. Diagnostic tools ...

Tumor suppressor gene A tumor suppressor gene, or antioncogene, is a gene that protects a cell from one step on the path to cancer.

Tumor size. In general, patients with small tumors have a better prognosis than do patients with large tumors.

Tumor Necrosis Factor (TNF): A cytokine (see), produced by macrophages (see), which helps activate T cells (see). It also may stimulate HIV activity.

A tumor of antibody-producing cells, called plasma cells, that are normally found in the bone marrow. by keyword: by topic: ...

A "tumor" is an abnormal growth that can be "benign" or "malignant." Benign breast tumors do not threaten life and do not spread to other parts of the body.

If a tumor is benign, it will remain self-contained. A malignant--or cancerous--tumor, on the other hand, will invade neighboring tissues, ...

Brain Tumors Prevention Tips What is a brain tumor? A brain tumor is an abnormal mass of tissue in which the cells grow and multiply without restraint, apparently unregulated by the mechanisms that control normal cells.

Brain tumor Sturge-Weber syndrome Cerebral palsy [edit] Trendelenburg gait ...

Fibroid tumors can produce a variety of symptoms. The most common are progressively heavier and longer menstrual periods, and occasional bleeding between periods.

Another tumor that is much more prevalent in other parts of the world compared with the U.S. is liver cancer.

Metastatic tumors in the lungs are malignancies (cancers) that developed at other sites and spread via the blood stream to the lungs.

Basal cell tumors can take on many forms. (Clockwise) Kaposi's sarcoma, sebaceous gland carcinoma, Merkel cell carcinoma. The biggest cause of skin cancer is sun exposure.

tumor, a swelling), a term applied, from the earliest period of medical literature, to any swelling of which the nature and origin were unknown.

See also: Cancer, Tissue, Surgery, Infection, Pain