What are the symptoms of brain cancer
summary
Brain cancer may occur in different people and behave differently, The common symptoms of brain cancer should be very clear in everyone's mind. Brain cancer refers to new organisms growing in the cranial cavity, also known as intracranial tumors. It can originate from the brain, meninges, nerves, blood vessels and brain accessories, or form by the invasion of other tissues or organs of the body. Most of them can produce headache, intracranial hypertension and focal symptoms. The incidence of brain tumors is about 1.9-5.4 persons per 100000 persons per year, accounting for 1% - 3% of all kinds of tumors in the whole body. What are the symptoms of brain cancer.
What are the symptoms of brain cancer
First: headache, increased intracranial pressure or tumor direct compression stimulation of meninges, blood vessels and nerves caused by stimulation. In most patients, it is an early symptom, aggravating with the development of tumor.
Second: vomiting is mainly caused by the stimulation of medulla oblongata vomiting center and vagus nerve with the increase of intracranial pressure. When the headache is serious, it is complicated with vomiting, often in the form of jet. Vomiting occurs early and frequently in children with posterior fossa tumors, which is easily mistaken for gastrointestinal diseases.
Third: visual impairment includes changes in vision, visual field and fundus. As a result of increased intracranial pressure, optic nerve papilledema or tumor directly oppresses the optic nerve can cause optic nerve atrophy and affect vision, resulting in vision loss or even blindness.
matters needing attention
Brain cancer is undoubtedly frightening, if often dizziness, headache and other discomfort, but also to pay attention to inspection. Once you find that you have one of the above symptoms, you should be alert and go to the regular hospital for examination and treatment in time.