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Gao Yi Shen
Neurosurgery
About me
Graduated from Tianjin Medical University with a master's degree in Neurosurgery. Previously worked and studied at large tertiary hospitals in Beijing and Tianjin. Have a deep understanding and awareness of common and prevalent cerebral diseases, particularly skilled in understanding and formulating treatment plans for cerebrovascular diseases.
Proficient in diseases
There is a deep understanding and awareness of common and prevalent cranial diseases, especially skilled in understanding and developing treatment plans for cerebrovascular diseases.
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Symptoms of brainstem hemorrhage
The symptoms of brainstem hemorrhage can vary from mild to severe, depending on the specific presentation of the patient. For instance, in milder cases, symptoms may include simple headaches, dizziness, nausea, and vomiting without other clinical symptoms, which can often be easily distinguished from cervical spondylosis. Therefore, timely clinical examinations are necessary to confirm these conditions, which are generally mild and usually do not threaten life. However, symptoms might gradually worsen, manifesting as numbness in the limbs and speech impairments, among others. Some individuals may experience seizures, characterized by convulsions of the limbs, frothing at the mouth, etc. If the hemorrhage becomes more severe, it can compress more brainstem neurons, leading to coma, lethargy, and potentially severe outcomes like dilated pupils, and sudden cessation of breathing and circulation.
Is neuroblastoma hereditary?
Neuroblastoma has a partial genetic predisposition, but current research has not definitively determined the extent or probability of its heritability. For modern neuroblastoma, its origin is primarily associated with genetic mutations or chromosomal changes. Factors such as smoking, drinking, and drug use by the mother during pregnancy can severely harm the fetus and potentially lead to the development of neuroblastoma. Sometimes, excessive radiation or the misuse of certain drugs can also cause neuroblastoma. Therefore, while there is a certain genetic tendency for neuroblastoma, it is not the main factor.
How long does it take for a brainstem hemorrhage clot to be absorbed?
In general, the absorption time for a brainstem hemorrhage clot is around two to three weeks. During this period, several phases must be passed, with the two main ones being the rebleeding phase and the brain swelling phase. Rebleeding often occurs within three days after the initial bleeding. If not treated promptly during this time, it can easily lead to further brainstem hemorrhage, increasing the size of the clot and hindering the later absorption process. The second phase is the peak of brain swelling and vasospasm. During this phase, certain substances released during the absorption of blood vessels and clots can cause swelling and spasms of the surrounding tissues. If this phase is also safely navigated, then subsequent absorption tends to be relatively quicker. However, complete absorption generally requires at least two to three weeks.
Is calcification of neuroblastoma good?
In clinical practice, although calcification is a relatively favorable phenomenon, the overall condition of neuroblastoma does not change significantly because of it. Therefore, it is still not a good sign. For neuroblastoma, whether calcification occurs or not, it remains a form of tumor. Only through early surgical treatment can the problem be fundamentally resolved, otherwise, there is a tendency for recurrence and metastasis to occur later on. Moreover, it is important to note that regardless of whether the tumor calcifies, its nature does not change. Only fundamental treatment can bring better hope, so calcification does not lead to very good outcomes.
How many milliliters of brainstem hemorrhage are fatal?
Brainstem hemorrhage does not have a specific volume that can be fatal; the brainstem is the central hub for respiration and circulation in the human body, including the medulla, midbrain, and pons. For the pons and midbrain, a hemorrhage of five milliliters can be fatal. For the medulla, which is very narrow and densely packed with neural tissue, even one milliliter of bleeding can suddenly cause the patient's respiration and circulation to stop. Therefore, even one milliliter of brainstem hemorrhage is an immeasurable loss, and brainstem hemorrhages should be classified as critically severe. Immediate hospitalization and treatment are crucial to achieve a relatively better prognosis.
How much does a pituitary tumor grow in a year?
At present, in clinical practice, there is no evidence to show how much a pituitary tumor can grow in a year, because the specific pathological nature of pituitary tumors varies, the overall health status of an individual differs, as well as whether a corresponding disease mechanism has developed, and whether regular treatment has been administered. These factors definitely influence the pituitary tumor. For some benign or non-functioning pituitary tumors, the growth is very slow after certain treatments, and they will not recur or grow after surgical intervention. However, sometimes, malignant pituitary tumors can grow very quickly within a year, significantly affecting the surrounding nerve tissues due to compression. Therefore, it is crucial to have regular follow-ups or seek early treatment if a pituitary tumor is present, as this is the best approach to treatment.
How long should one rest for a concussion?
Concussions generally require about one to two weeks of rest, depending mainly on the specific symptoms of the patient. If the symptoms are relatively mild and the injury was not particularly severe, then about a week of rest is usually sufficient for returning to normal work and study. In some cases, if the concussion was relatively severe at the time of injury and subsequent complications or sequelae occur, then the rest period may need to be appropriately extended, possibly to about a month, depending on the patient's specific symptoms. In the vast majority of cases, resting for two weeks is generally sufficient for returning to normal work and study without involving any special issues. As long as medical advice is followed and treatment is correctly administered, many concussions can heal completely.
How to treat cerebral infarction?
The choice of treatment for cerebral infarction depends on the specific circumstances. Treatment plans for small and large cerebral infarctions are completely different, as are the treatment plans for acute and chronic stages of cerebral infarction. For small areas of acute cerebral infarction, many cases can be treated with intravenous thrombolysis and arterial thrombectomy, which are currently very effective treatments that can significantly help in emergency situations. In the chronic phase, it is necessary to actively improve cerebral circulation, brain protection, lower lipids, stabilize blood sugar, and blood pressure, among other methods, to delay the further progression of the disease. Some cases may also require identifying the cause and opting for surgical interventions, including stent implantation and endarterectomy surgeries.
Neuroblastoma in children
Neuroblastoma does not specifically concern how old the child is, as it can occur in children during their developmental process, and even in newborns, adolescents, and adults. There is no specific timing required for its occurrence. Therefore, for neuroblastoma, the principle is to initiate treatment as soon as it is detected. Although the prognosis may not be very good, the aim should be to extend the patient's life and reduce suffering as much as possible. After all, no matter the age, the patient is a loved one.
How should hydrocephalus be treated?
Treatment of hydrocephalus must be specific to the patient's condition, as different cases of hydrocephalus require different treatment approaches. For some mild cases of hydrocephalus without obvious clinical symptoms, the focus is on observation or the use of internal medicine to improve cerebral circulation and neuroprotective medications. However, if symptoms emerge later and significantly affect daily life, shunt surgery from the cerebral ventricles to the abdominal cavity is performed for chronic hydrocephalus, aiming to alleviate the patient's suffering. In cases of acute hydrocephalus caused by cerebral hemorrhage or subarachnoid hemorrhage, treatment might involve the use of neuroendoscopy to create a ventriculostomy at the floor of the third ventricle or external ventricular drainage. Thus, treatment is determined based on the specific circumstances.