I found that some patients and friends found tumors in outpatient clinic, when they visited the doctor, the tumors had already grown to a large size, which brought more risks and complications to the surgery, and might make the patient’s family spend more money. In fact, most of intracranial tumors still have some “signs” at the early stage of development, but just because we may not have this knowledge and ignore the early “warning”, so that we miss the time to find the tumor in time and diagnose and treat it in time. Here we will discuss several common symptoms of intracranial tumors, hoping to be helpful to everyone. 1.Progressive aggravation of headache Do not be afraid of seeing here and think that you will have a brain tumor if you have a headache. In fact, headache symptoms are very common in human life! Cold and flu will give you headache; poor sleep and too much pressure will give you headache; bad mood may also give you headache. And many brain tumors don’t necessarily start out with a headache. Headache related to brain tumor is mainly caused by increased intracranial pressure, and as the tumor grows (or hydrocephalus worsens), the headache will progressively worsen; while headache caused by other reasons will disappear on its own after the primary cause of the headache improves (e.g., after the cold is cured). If the headache is accompanied by other symptoms, such as vomiting, vision loss, poor memory and slow reaction, or one of the following symptoms from 2 to 10, then there is a high suspicion of intracranial tumors or other occupying diseases. 2. Unilateral tinnitus or hearing loss Unilateral hearing loss is not easy to notice because it does not affect daily life. However, if there is unilateral tinnitus for a long time before unilateral hearing loss, it should be highly alert! Unilateral tinnitus is the earliest and most common “warning” of an acoustic neuroma. If detected early and the tumor is very small, it can be treated with Gamma Knife, which can avoid the pain of surgery (there are some small acoustic neuromas, which will be followed up after Gamma Knife for a long period of time and then operated on again). If unilateral tinnitus or hearing loss occurs, early medical attention should be sought. 3.Loss of vision or accompanied by diplopia Some patients with loss of vision think that it is myopia or presbyopia, and neglect further examination. Some go to ophthalmology, and experienced ophthalmologists may think of intracranial problems and do an MRI, and as a result, intracranial tumors are found. In some cases, even after repeated visits to ophthalmology department, the vision is getting worse and worse, and even one side of the eye is blind, before they remember to do intracranial examination, at this time, the tumor is already very large, and may encircle the surrounding neurovascular vessels, so the risk of surgery is greatly increased, and in some cases, the opportunity of total resection has been lost. Decrease in sexual function or menstrual disorders/lactation In normal male adults, if there is a decrease in sexual function, some patients do not go to the clinic due to shyness, and some of them go to the male department to see the sex clinic, but the symptoms are not much better, and it is only when there is a decrease in vision that they go to the ophthalmology department or the neurosurgery department for medical consultation, and take a film to find out pituitary tumors or other tumors of the saddle area. Of course, not every pituitary tumor has a decrease in sexual function. Here we are talking about prolactin-type pituitary tumors, in which men experience a decrease in libido and scanty hair, and female patients commonly experience menstrual disorders or lactation, or even menopause. When the tumor grows up, it will compress the optic nerve and cause vision loss. Therefore, if the above sexual problems occur, don’t hesitate and be shy, go to the hospital and be alert of pituitary tumor or other saddle region tumors! Decrease in sense of smell or phantom smell Decrease in sense of smell is usually hard to find, if one side or both sides of the sense of smell is found to decrease by chance, in addition to seeing the Pentacenter, intracranial lesions involving the olfactory nerve should be highly suspected, such as anterior cranial base/olfactory sulcus meningiomas, olfactory cell tumors, or chordoma involving the anterior cranial base, etc. If there is no bad smell around and you smell something, don’t be shy to go to the hospital. If there is no odor in the surroundings and you smell something strange (phantom smell), it may be a special manifestation of epilepsy, and you should be on high alert for tumors in the medial temporal lobe. 6. Memory loss or slow response With age, some people may have memory loss or slow response, which is relatively common. However, if there is obvious progressive memory loss or slow reaction within a short period of time (e.g., half a year), or if the above symptoms occur at a young age, intracranial lesions should be emphasized. 7, unsteady walking There are many reasons for unsteady walking, and the most common one is cerebellar tumor related to intracranial space-occupying lesions, which is manifested as unsteady walking in a straight line and uncoordinated finger movement, etc. If you have the above symptoms, go to the neurosurgery department or the neurology department in time for consultation. 8, one-sided muscle weakness or numbness One-sided limb weakness or numbness may be the lesion involved in intracranial motor function area or sensory function area, may also be caused by spinal cord lesions, it is recommended to go to the Department of Neurosurgery or Neurology for specialist examination as soon as possible. Secondary epilepsy refers to epilepsy that occurs in adults. If traumatic brain injury is excluded, most of the epilepsy is caused by intracranial occupations, such as intracranial tumors/cerebral vascular malformations/parasitic granulomas, etc., which often require surgical treatment. 10. How to consult the doctor if the above symptoms are found If the above symptoms are found, in addition to consulting the department with the corresponding symptoms (e.g. vision loss to ophthalmology, bad sense of smell/hearing to ophthalmology, etc.), it is recommended to go to the neurosurgery department or the neurology department (Neurology Department) for specialized examination, and it is best to do a MRI scanning examination first, and then do enhancement scanning if intracranial space-occupying lesions are found, in which case, the vast majority of intracranial lesions can be detected. This way most of the intracranial lesions can be detected. In some cases, only a CT scan is performed, which may miss the diagnosis because some lesions are not visualized on CT scan, especially lesions in the posterior cranial fossa!