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BRAIN TUMOR DIAGNOSIS |
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Although brain tumor symptoms resemble
those of many other illnesses, the presence of a brain tumor may be
indicated by: Persistent headaches with vomiting or convulsions Progressive deterioration of sight, speech, hearing, touch; or deterioration in the ability to use an arm, hand, foot, or leg. When a patient experiences one or more of the above symptoms, a primary care physician will perform a complete physical examination, take a detailed medical history, and conduct a basic neurologic examination to evaluate: Balance and coordination Abstract thinking and memory Eye movements Hearing, touch, and sense of smell Reflexes Control of facial muscles and movements of the head and tongue Awareness. If the results of these examinations suggest a patient may have a brain tumor, a neurologist recommends some or all of these additional diagnostic tests: Computed tomography scan (CT scan) to reveal brain abnormalities Magnetic resonance imaging (MRI) to detect tumors beneath the bones of the skull Electroencephalography (EEG) to measure electrical activity in the brain X rays to reveal any distortion in the bones of the skull Angiography to outline a tumor and the blood vessels that lead to it A brain scan to identify and record the location of abnormal cells in the brain Myelography (x ray of the spine) to detect a spinal cord tumor A lumbar puncture (spinal tap) to obtain spinal fluid, which may contain tumor cells. Interpreting these images and results of laboratory analysis allows neurologists to determine whether a tumor is present, but microscopic examination of tumor tissue (biopsy) is the only way to identify the kind of cells it contains. |
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