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A brain tumor is an abnormal growth of tissue in the brain. Unlike other tumors, brain tumors spread by local extension and rarely metastasize (spread) outside the brain. A benign brain tumor is composed of non-cancerous cells and does not metasta...
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A primary brain tumor is a group (mass) of abnormal cells that start in the brain. This article focuses on primary brain tumors in adults. See also: Brain tumor - metastatic (cancer that has spread to the brain from elsewhere in the body; Brain tu...
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A brain tumor is an abnormal growth of tissue, either malignant (cancerous) or benign (noncancerous), in the brain. Each year, more than 17,000 brain tumors are diagnosed in the United States.
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The fluid that carries substances such as hormones, oxygen, and glucose to the tissues of the body and carries carbon dioxide away from the tissues as waste. Blood is the red-colored fluid that flows through the arteries and veins of the body. Vit...
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The term "liver disease" applies to many diseases and disorders that cause the liver to function improperly or cease functioning. Abnormal results of liver function tests often suggest liver disease. See also: Amebic liver abscess; Autoimmune hepa...
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Coagulation disorders (coagulopathies) are disruptions in the body's ability to control blood clotting, an essential function of the body designed to prevent blood loss. The most commonly known coagulation disorder is hemophilia , a condition in w...
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Bleeding disorders are a group of conditions in which there is a problem with the body's blood clotting process. These disorders can lead to heavy and prolonged bleeding after an injury. Bleeding can also begin on its own. See also: Acquired plate...
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Bleeding disorders are disruptions in the body's ability to control blood clotting. Patients with these conditions bleed easily for longer periods of time than normal.
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