Brain tumor symptoms

Brain tumors are one of the most difficult to cure of all tumor diseases because people cannot see brain tumors directly and can only judge based on their own physical condition. Moreover, if you want to remove a brain tumor, you usually have to perform a craniotomy. This type of surgery has a relatively high risk and if it is not performed properly, it may cause the patient to become a vegetative state. So, what are the symptoms of brain tumors?

1. Clinical symptoms of cerebral hemisphere tumors

1. Mental symptoms: often manifested as slow reaction, laziness, recent memory loss or even loss, loss of self-awareness and judgment in severe cases, and may also manifest as irritability, irritability or euphoria.

2. Epileptic seizures: including generalized seizures and localized seizures, which are most common in the frontal lobe, followed by the temporal lobe, parietal lobe, and least common in the occipital lobe. In some cases, there are precursors before convulsions, such as temporal lobe tumors. There are often hallucinations, dizziness and other precursors before epileptic seizures. Parietal lobe tumors may cause abnormal sensations such as limb numbness before an attack.

3. Symptoms of pyramidal tract damage: manifested as weakness or paralysis of the half of the body or a single limb on the opposite side of the tumor, with positive pathological signs.

4. Sensory impairment: manifested as impairment of position sense, two-point discrimination, pattern sense, texture sense, and entity sense of the limbs contralateral to the tumor.

5. Aphasia: divided into motor and sensory aphasia.

6. Visual field changes: manifested as visual field defects and hemianopsia.

2. Clinical manifestations of sella turcica tumors

1. Visual impairment: The tumor develops above the sella turcica and compresses the optic chiasm, causing decreased vision and visual field defects. This is often the main reason why patients with sella turcica tumors seek medical treatment. Fundus examination can reveal primary optic atrophy.

2. Endocrine dysfunction: such as hypogonadism, which manifests as impotence and loss of libido in men. In women, symptoms include prolonged menstruation or amenorrhea. Excessive secretion of growth hormone can lead to gigantism before maturity, and manifest as acromegaly after maturity.

3. Clinical symptoms of pineal region tumors

: Visual impairment, impaired pupillary response to light and accommodation, tinnitus, deafness; unstable holding, unsteady gait, horizontal eye tremor, incomplete limb paralysis, bilateral pyramidal tract signs; diabetes insipidus, drowsiness, obesity, general developmental arrest, and precocious puberty in males.

Clinical symptoms of posterior cranial fossa tumors

1. Cerebellar hemisphere symptoms: mainly manifested as ataxia of the affected limbs, and may also include weakened or absent muscle tone on the affected side, sluggish knee tendon reflex, horizontal eye tremor, and sometimes vertical or rotational tremor.

2. Symptoms of the cerebellar vermis: Mainly manifested as ataxia of the trunk and distal lower limbs, the two feet are too far apart when walking, the gait is unsteady, or swaying from side to side like a drunkard.

3. Brainstem symptoms: The characteristic clinical manifestation is crossed paralysis. For example, if there are more lesions in the midbrain, it will manifest as oculomotor nerve paralysis on the affected side. If there are lesions in the pons, it may manifest as eye abduction and facial muscle paralysis on the affected side, facial sensory impairment and hearing impairment on the same side. If there are lesions in the medulla oblongata, there may be ipsilateral tongue muscle paralysis, pharyngeal paralysis, and loss of taste in the posterior 1/3 of the tongue.