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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 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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A brain herniation is the displacement of brain tissue, cerebrospinal fluid, and blood vessels outside the compartments in the head that they normally occupy. A herniation can occur through a natural opening at the base of the skull (called the foramen occipitalis) or through surgical openings created by a craniotomy procedure. Herniation can also occur between compartments inside the skull, such as those separated by a rigid membrane called the "tentorium.
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A cataract is a cloudy or opaque area (an area you cannot see through) in the lens of the eye.
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A cataract is a cloudiness or opacity in the normally transparent crystalline lens of the eye. This cloudiness can cause loss of vision and may lead to eventual blindness.
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Cataract, the leading cause of blindness worldwide, is a clouding of the crystalline lens of the eye. Symptoms of cataract include blurred vision, difficulty reading print and street signs, light sensitivity, and glare disability.
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Death is the end of life, a permanent cessation of all vital functions. Dying refers to the body ' s preparation for death, which may be very short in the case of accidental death, or can last weeks or months in some patients such as those with cancer.
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Death is the end of life, a permanent cessation of all vital functions. Dying refers to the body ' s preparation for death, which may be very short in the case of accidental death, or can last weeks or months in some cancer patients.
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A set of related cancers that form in the bone marrow and other blood-producing organs. Leukemia is named after the leukocytes, white blood cells which mutate before maturity and become cancerous.
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Leukemia is a group of bone marrow diseases involving an uncontrolled increase in white blood cells (leukocytes. For information about a specific type of leukemia, see the following: Hairy cell leukemia; Chronic myelogenous leukemia (CML; Chronic lymphocytic leukemia (CLL; Acute lymphocytic leukemia (ALL; Acute myelogenous leukemia (AML. See also leukemia resources.
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Leukemia is a cancer that starts in the organs that make blood, namely the bone marrow and the lymph system. Depending on specific characteristics, leukemia can be divided into two broad types: acute and chronic.
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A neurologic deficit is a decrease in the function of the brain, spinal cord, muscles, or nerves.Examples include inability to speak, decreased sensation, loss of balance, weakness, mental function problems, visual changes, abnormal reflexes, and ...
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