For quite some time, the brain tumor may not have any manifestations, but as the growth rate of the tumor is compressed surrounding tissues with the development of focal symptomatology.
The growth of the tumor causes an increase in intracranial pressure and a violation of normal blood flow in the brain, which is reflected in the form of cerebral symptoms.
Focal tumor symptomatology is varied and depends on which region of the brain compresses the tumor.
The compression of motor areas of the brain causes various disorders of motor activity - paresis and paralysis. Most often, these symptoms are observed on the side opposite to the tumor growth site.
Defeat of sensitive areas of the brain leads to a decrease or complete loss of skin sensitivity (pain, tactile, thermal) in a certain area of the body.
Hearing disturbances may be caused by compression of the auditory nerve with complete or partial loss of hearing, and by defeat analyzing parts of the cerebral cortex, in violation of speech recognition.
Similar forms of visual impairment are formed - full or partial loss of vision may occur, or the person loses the ability to understand the written language and even recognize the objects familiar to him. The loss of oral and written spells causes a complete or partial loss of these skills.
With the influence of the tumor on the midbrain or cerebellum area, coordination impairment may occur.
The tumor causes a variety of psychomotor disorders: reduced memory, attention, behavior changes, mood swings, etc. Being a persistent cell of a cerebral cortex disorder, the tumor can cause epileptic seizures.
The hypothalamus and pituitary gland secrete a number of hormones that affect the activity of all human endocrine glands. When localizing a tumor in these divisions, hormonal disorders can occur, which have a variety of clinical manifestations.
Common symptoms include a number of nonspecific symptoms that have specific features.
- Headache caused by a tumor is rarely removed by a non-steroidal anti-inflammatory and analgesic, since its basis is not the narrowing of the vessels or the tension of the muscles of the head, but the violation of liver exchange and increased intracranial pressure.
- Nausea and vomiting - frequent symptoms of a tumor of the brain. Characteristically, vomiting caused by damage to the brain rarely brings relief, and nausea may accompany a person almost continuously.
- Dizziness and other disorders of the vestibular apparatus.
- Weakness, fatigue, pulse and pressure variations.