Brain cancer is known as any encephalic malignant tumors. People at any age may have the disease, and patients usually present headache, showed persistent or intermittent, nausea, vomiting, some serious may affect vision, which is caused by tumor compression of the optic nerve.
Brain cancer diagnosis should also pay attention to some points as follow:
A.Headache characteristics. Brain tumor patients throughout the course of the disease have a headache. The headache appears sooner or later, and parts of the brain tumor growth are closely related. Cranial cavity large supratentorial tumors, tumor far away from the sinus and ventricle, so the headache symptoms appeared later. Supratentorial tumors Xiangda games, headache disorders appeared earlier. Brain tumor headache, chiefly since the beginning of paroxysmal, often occurs at night or early morning, the pain a few minutes or several hours, and more able to relieve itself disappeared, but the next day another episode. With the gradual increase of the tumor. The headache time will be extended, and ultimately the development of a sustained extensive drama column headache. The nature of the headache, the majority of pain, throbbing, or dull, and finally showed a burst-like pain, who can cause the action of increased intracranial pressure can cause headache, such as weight, such as coughing, sneezing, vomiting, agitation, hard bowel movements and so on. Headache reduction and aggravated sometimes and position. Such as supine and head-down often gain weight. Station or seat may be temporarily alleviated.
B. Symptoms accompanied by brain tumors, bout 60% Headache vomit and 80% present with visual impairment. Vomiting often occurs suddenly. Severe headache and vomiting also were increased. Experts said that the visually impaired vision loss or temporary blindness, and some were visual field defects, or paroxysmal amaurosis or diplopia.
C.Systemic nervous systemic signs. Brain tumor is located in the brain’s frontal headache visible mental disorders, character change, and progressive mental retardation, brain tumor located in the parietal lobe are mainly sensory dysfunction, the ability to feel targeted or feel the difference disappears, brain tumors in brain temporal lobe frequently appears the central auditory disorders, brain tumor at the occipital lobe of the brain, positioning signs for visual field defects, homonymous hemianopsia, and flash visual hallucinations and visual distortion embolism. Located in the brain such as brain tumors. Early blocking the cerebral aqueduct and hydrocephalus, such as brain tumor located in the cerebellar vermis, the common hypotonia, ataxia, slurred speech, if the brain tumor located in the pond, the performance of cross-hemiplegia, cross numbness and eye abduction palsy.
D. Additional examinations: 1, brain CT scans according to the abnormal brain tissue density and the displacement of the ventricle to diagnose the location and nature of the tumor. The auxiliary examination helps to determine the cause of headache.