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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.
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Causes of Cerebral Infarction
At present, there is no consensus on the specific causes of cerebral infarction. It is mostly seen in patients with underlying diseases such as hypertension, diabetes, and hyperlipidemia, where there has not been adequate control of the patient's blood pressure, blood sugar, and cholesterol. This can lead to significant increases in blood pressure, blood sugar, and cholesterol. Over time, this might result in the formation of atherosclerotic plaques in the patient’s blood vessels. When these plaques break off and enter the bloodstream, they travel with the blood flow and can lodge in the narrow vessels of the brain. This causes blockage of the blood vessel and leads to ischemia, necrosis, softening, and degeneration of the brain tissue in the affected blood supply area, ultimately causing a cerebral infarction.
Early symptoms of neuroblastoma
For patients with neuroblastoma, the early stages of the disease often manifest as mild headaches, dizziness, nausea, and vomiting. The symptoms are relatively mild and can be significantly alleviated by taking oral pain relief medications. Therefore, the condition often does not receive adequate attention, leading to missed diagnoses. As the tumor size increases, the original symptoms such as headaches and dizziness will significantly worsen. Some patients may even experience optic nerve atrophy, papilledema, reduced visual fields, and vision deficits. When such conditions occur, patients often undergo cranial CT or MRI scans to confirm the presence of neuroblastoma.
What are the symptoms of cerebral hemorrhage?
For patients with cerebral hemorrhage, the symptoms vary clinically due to different amounts of bleeding and instability of the hemorrhage, which affect the surrounding brain tissue to different extents. For patients with minor cerebral hemorrhage, the impact is generally minor, and most patients only exhibit mild symptoms such as headache, dizziness, nausea, and retching. For patients with larger bleeding volumes located in crucial motor and speech functional areas, they often show symptoms such as unilateral limb paralysis and abnormal sensations in the affected limbs, accompanied by significant headaches, dizziness, reduced intellectual levels, cognitive impairments, and even aphasia.
Can pituitary tumors heal on their own?
Under normal circumstances, pituitary tumors generally do not heal spontaneously. Pituitary tumors are benign tumors and although they grow slowly, they tend to continue growing. When they enlarge to a certain extent, they produce a series of symptoms and signs, such as headaches behind the eye sockets, the forehead, and both temporal sides. If the tumor breaks through the sellar diaphragm, it might also affect the optic nerve, leading to decreased vision and visual field defects. Moreover, it can severely erode the pituitary gland, causing symptoms and signs like decreased pituitary function, endocrine hormone disorders, and bringing significant suffering to the patient.
Early manifestations of trigeminal neuralgia
For patients with trigeminal neuralgia, the initial symptoms mainly include sudden onset of intense pain that stops abruptly. The nature of the pain is generally sharp, resembling sharp stabbing or knife-like pain. In most cases, trigger points are easily formed on the face, commonly appearing around the bilateral nostrils and corners of the mouth as fixed trigger points. Touching these trigger points can easily trigger an attack of trigeminal neuralgia, which lasts for a relatively short duration, typically from a few seconds to several seconds. In most cases, attacks are more likely to be triggered when the patient is tired, fatigued, or under mental stress.
Is a pituitary tumor serious?
Pituitary tumors are mostly benign. The tumors grow slowly, but due to their special location adjacent to the pituitary gland, when the size of the pituitary tumor increases to a certain extent, it will inevitably affect the pituitary, impairing its function and leading to pituitary dysfunction. This dysfunction manifests as endocrine hormonal imbalances, resulting in a series of symptoms and signs. Therefore, it is usually recommended to treat pituitary tumors surgically. Clinically, it is generally advised to choose the transnasal transsphenoidal approach for complete resection of the pituitary tumor.
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.