Tumors in Biological Definition

Cancer

... tumor or a malignant tumor (cancer). Benign tumors do not spread to other parts of the body or ... and they are rarely a threat to life. Malignant tumors can invade other organs, spread to distant ... predict its behavior. For example, up to half the tumors are deficient in the tumor suppressor gene p53 ...

Tumor

... be either malignant or benign . Malignant tumors are called cancer . Cancer has the potential to ... tissues and create metastases . Benign tumors do not invade neighboring tissues and do not seed ... removal. Depending on tissue of origin, tumors may be: ...

Growth curve

... [1] plays an important role. In many types of cancer, the rate at which tumors shrink following chemotherapy is related to the rate of tumor growth before treatment. tumors that grow rapidly are generally more sensitive to the toxic effects that ...

Skin

... from without, and so can be afflicted by numerous ailments, such as: tumors : Benign tumors of the skin: Squamous cell papilloma Skin cancer Others : ...

Computed axial tomography

... exclude infarct in the acute stage, but is useful to exclude a bleed (so anticoagulant medication can be commenced safely). For detection of tumors , CT scanning with IV contrast is occasionally used but is less sensitive than magnetic resonance imaging (MRI). CT can also be used to detect ...

Diabetes mellitus

... cells, including pancreatic beta cells, thus producing "artificial" type 1 diabetes. Other pancreatic problems including trauma, pancreatitis or tumors (either malignant or benign) can also lead to loss of insulin production. Currently , type 1 is treated with insulin injections, lifestyle ...

Monoclonal antibody

... can be produced in cell culture or in animals. When the hybridoma cells are injected in mice (in the peritoneal cavity , the gut), they produce tumors containing an antibody-rich fluid called ascites fluid. In the above process, myeloma cell lines are used that have lost their ability to ...

Magnetic resonance imaging

... operation. Radiation Therapy Simulation Because of MRI's superior imaging of soft tissues, it is now being utilized to specifically locate tumors within the body in preparation for radiation therapy treatments. For therapy simulation, a patient is placed in specific, reproduceable, body ...

Muscle

... tissue due to any cause. While it may not lead to any muscular symptoms at all, the myoglobin thus released may cause acute renal failure . tumors of muscle include: Smooth muscle: leiomyoma (benign, very common in the uterus ), leiomyosarcoma (malignant, very rare) Striated muscle: ...

Stem cell

... treatments Cancer Research injecting neural (adult) stem cells into the brains of rats can be astonishingly successful in treating cancerous tumors . With traditional techniques brain cancer is almost impossible to treat because it spreads so rapidly. Researchers at the Harvard Medical School ...

Vestibular system

... common ones are vestibular neuritis, also called Labyrinthitis , and BPPV. In addition, the function of the vestibular system can be affected by tumors on the cochleo-vestibular nerve, an infarct in the brain stem or in cortical regions related to the processing of vestibular signals, and cerebellar ...