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Chen Yu Fei
Neurosurgery
About me
With 11 years of experience in the medical field, I am dedicated to the field of surgery, working to relieve patients' suffering.
Proficient in diseases
Specializes in the treatment of cranial injuries, hypertensive intracerebral hemorrhage, various cranial tumors, and the diagnosis and treatment of cerebrovascular diseases.
Voices
How is pheochromocytoma diagnosed?
For the diagnosis of pheochromocytoma, further examinations need to be completed first. These examinations mainly include qualitative tests and localization tests. The qualitative tests are primarily conducted through laboratory tests to measure the levels of catecholamine-related metabolites to further determine the presence of the tumor. Localization tests are performed using abdominal ultrasound, abdominal CT, and, if necessary, high-resolution abdominal CT to pinpoint the location of the tumor. Once the qualitative and localization diagnostics are performed, it can be confirmed whether a pheochromocytoma exists and its specific location. Depending on the situation, surgery can be used to remove the tumor, in conjunction with pharmacological treatment.
Can brainstem hemorrhage be cured?
For brainstem hemorrhages that have already occurred, the patient should be immediately taken to a local hospital. Initially, a cranial CT scan should be performed to determine the location and amount of bleeding in the brainstem. For minor brainstem hemorrhages, it is recommended to first use medication for treatment. This involves administering drugs that stop bleeding, enhance brain function, promote dehydration, and nourish the nerves, aiding in the gradual cessation of bleeding and the absorption of cerebral hematomas. Most patients can achieve very good treatment outcomes. However, if the brainstem hemorrhage is extensive, it often leads to severe brainstem dysfunction and typically has a poor prognosis.
Is a pituitary tumor easy to treat?
Our current understanding of pituitary tumors is quite deep, and we have accumulated rich treatment experience in the pathogenesis, disease progression, and treatment of pituitary tumors. Therefore, it is recommended to use surgical methods for pituitary tumor patients, especially those with obvious symptoms. Clinically, it is generally recommended to choose the transnasal-transsphenoidal approach for a complete resection of the pituitary tumor. For most patients, this can achieve good therapeutic effects. Moreover, with the continuous advancement of diagnostic techniques, early detection and treatment of small early pituitary microadenomas through complete surgical resection can also achieve good therapeutic outcomes.
What does it mean to perform a tracheotomy on a patient with brainstem hemorrhage?
In general, tracheostomy for brainstem hemorrhage refers to situations where the patient suffers from a degree of consciousness impairment, presenting in a state of stupor or coma, and it is anticipated that the patient's consciousness will not regain clarity in the short term. In such cases, we generally recommend performing a tracheostomy on the patient as soon as possible. Early tracheostomy can help smoothly suction deep phlegm and better protect lung function. Timely use of oxygen nebulization helps dilute the phlegm and promotes its expulsion, which is beneficial in preventing and treating pneumonia.
Is pituitary tumor surgery dangerous?
For patients with pituitary tumors, undergoing pituitary tumor surgery carries certain risks. The main risks are due to the important blood vessels, nerves, and various crucial structures around the pituitary tumor. Careless maneuvers during the surgery may damage these important organs or affect the surrounding crucial blood vessels, leading to potentially fatal massive bleeding. Additionally, some common surgical risks may also exist, such as anesthesia accidents, postoperative intracranial infections, cerebrospinal fluid rhinorrhea, and other conditions. Therefore, for pituitary tumor patients, it is necessary to prepare thoroughly for the surgery and make a comprehensive assessment of the patient's overall condition before the procedure.
Principles of Treatment for Glioma
For patients with glioma, the primary treatment method is still to surgically remove the tumor, followed by postoperative radiotherapy, chemotherapy, and other related treatments. The main treatment principle is to detect, diagnose, and treat early. During surgery, the tumor should be removed as completely as possible, and it is advisable to receive postoperative radiotherapy and chemotherapy early to effectively consolidate the surgical treatment effects. This helps to kill tumor cells to the greatest extent, slow down the probability and timing of tumor recurrence, and extend the patient's lifespan as much as possible. Therefore, for patients with glioma, it is recommended to choose to seek surgical treatment at well-known, top-tier hospitals locally.
The etiology of glioma
At present, there is no definitive conclusion regarding the specific causes of glioma. Clinically, it is generally considered the result of a combination of congenital genetic factors and acquired environmental factors. Usually, it is believed that there is a significant familial aggregation tendency in the family medical history of patients with gliomas, with a higher incidence of gliomas among family members. Additionally, acquired factors, such as severe cranial trauma followed by extensive proliferation of neuroglial cells, may induce incidents. Furthermore, severe intracranial infections, including unhealthy lifestyles, poor living environments, and the influence of radioactive materials, could potentially lead to the occurrence of gliomas.
Pituitary tumor examination items
For patients with pituitary tumors, it is first recommended to perform a cranial CT or MRI examination, and if necessary, a cranial MRI with contrast and a pituitary MRI with contrast can be done to help determine the specific location, size, and relationship of the pituitary tumor with surrounding important blood vessels and nerves. Additionally, blood tests are needed to examine the levels of endocrine hormones in the body, including cortisol, growth hormone, prolactin, thyroid hormones, and other related hormone levels. Furthermore, further examinations of the patient's cardiopulmonary function, such as electrocardiograms, echocardiograms, and chest CT scans, are also required.
Principles of Treatment for Cerebral Hemorrhage
For patients with cerebral hemorrhage, the main principle of treatment is to control the blood pressure in a relatively stable state. Blood pressure should not be too high or too low. If it is too low, it can easily lead to insufficient cerebral perfusion pressure, thus causing local cerebral tissue ischemia and hypoxia, leading to the occurrence of cerebral infarction. If the blood pressure is too high, it can easily exceed the regulatory function of the blood vessels, often causing secondary hemorrhage. Secondly, it is important to promptly monitor the patient's vital signs, observe the patient's consciousness, pupils, and limb movement, and timely perform a follow-up head CT scan to dynamically observe the changes in the patient's condition.
Is pituitary tumor surgery done under general anesthesia?
For patients with pituitary tumors, general anesthesia is typically recommended for surgery. Clinically, a combined inhalational and intravenous anesthesia approach is adopted for treatment. Before surgery, anesthesia induction is carried out to stabilize the patient, who then undergoes tracheal intubation for general combined anesthesia. As the surgery nears completion, appropriate medication may be used to help shorten the anesthesia process. After the surgery is fully completed, the patient is transferred to the recovery room. Once the anesthetic drugs are gradually metabolized and consciousness returns to clarity, the tracheal tube is effectively removed.