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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
Causes of hypotension in pheochromocytoma
For cases of hypotension occurring in pheochromocytoma, it is most commonly seen after the surgical removal of the tumor. At this point, the concentration of catecholamines in the blood may significantly decrease, leading to a marked reduction in effective circulating blood volume, and thus causing hypotension. This situation is relatively common after surgery for pheochromocytoma. Usually, after surgical treatment and removal of the tumor, it is important to promptly discontinue the use of receptor blockers in patients and to appropriately replenish blood volume to effectively maintain central venous pressure. This approach can generally counteract the reduction in catecholamine levels caused by surgery, which leads to hypotension.
Causes of Neuroblastoma
Neuroblastoma is a highly malignant tumor. In most cases, it is seen in neuroepithelial cells. Currently, there is no consensus on the specific causes of neuroblastoma. It is generally believed that congenital genetic factors, as well as mutations, gene deletions, and changes in tumor suppressor genes in patients, are greatly related. Acquired factors should not be ignored either, such as poor lifestyle and dietary habits. In most cases, the prognosis for neuroblastoma is poor, with patients having a short survival period. Most patients, even after undergoing surgical treatment, often experience poor outcomes and ultimately die from multi-organ dysfunction and failure.
What department should I go to for pheochromocytoma?
Pheochromocytoma generally requires consultation at the endocrinology or surgical department. Please ask a physician to assess the current situation. For further examination and diagnosis of pheochromocytoma, qualitative and locational diagnostics are necessary. Qualitative diagnostics typically involve blood tests where levels of catecholamine metabolites in the blood and urine are tested to assist in diagnosis; locational diagnostics involve using CT scans, MRI, and ultrasound to help determine the specific location of the tumor. Treatment for pheochromocytoma generally involves surgical removal of the tumor once it is found, combined with medication treatment, which often leads to satisfactory therapeutic outcomes.
How many days of hospitalization for pituitary tumor surgery?
For patients with pituitary tumors, it normally takes about one to two weeks to undergo surgery and be hospitalized. After surgery, it is appropriate for patients to rest in bed and refrain from getting up too early, mainly to monitor for any occurrence of cerebrospinal fluid rhinorrhea. Premature activity might lead to cerebrospinal fluid rhinorrhea or even trigger intracranial infections. Additionally, after surgery, it is important to perform blood tests to check the levels of endocrine hormones in the body, primarily to assess whether important electrolyte and hormone levels are normal. If there are abnormalities, adjustments should be made promptly, and discharge can be considered once the patient's condition is stable.
Is it normal to have a high fever with brainstem hemorrhage?
Patients with brainstem hemorrhage who develop a high fever may have several possible causes. Firstly, it might be due to absorption heat, but in such cases, the body temperature generally does not exceed 38.5 degrees Celsius. If there is recurrent fever, accompanied by coughing, expectoration, yellow and sticky sputum that is difficult to expel, it is mostly considered likely to be a pulmonary infection, in which case the body temperature generally exceeds 38.5 degrees Celsius, and high fever occurs. Additionally, it is important to note that once fever occurs, antipyretic medications should be administered to the patient to help lower the body temperature. Physical methods such as using warm water or rubbing alcohol for baths can also be used to reduce the temperature.
Treatment of brain glioma
For patients with brain gliomas, it is recommended that they visit a local hospital as soon as possible in the early stages of the disease. A physician with extensive surgical experience should help assess the current situation through cranial CT, cranial MRI, and enhanced cranial MRI scans, to determine the location, scope, and range of edema of the glioma, as well as its proximity to surrounding blood vessels and nerves, and to establish a personalized surgical treatment plan. Through surgery, the glioma in the brain should be removed as completely as possible. After surgical treatment, most patients can achieve satisfactory outcomes. However, since gliomas are malignant tumors, it is necessary to follow up surgery with early radiation and chemotherapy treatments.
Malignant symptoms of pheochromocytoma
For pheochromocytoma, if not treated adequately, it often leads to severe hypertensive crises in patients, characterized by extreme spikes in blood pressure accompanied by profuse sweating, palpitations, shortness of breath, chest pain, and numbness in the limbs. Excessively high blood pressure can easily trigger pathological changes in the heart, kidneys, liver, and brain tissues, possibly leading to hypertensive brain hemorrhage, and even endangering the patient's life. Therefore, if pheochromocytoma is not managed and treated properly, it often results in critical illness and might even endanger the patient's life. It is recommended that once diagnosed, hospitalization should be sought promptly, and surgical treatment should be considered if necessary.
What should I do if spinal bifida causes fecal incontinence?
When patients with spina bifida experience fecal incontinence, it generally indicates that the condition is quite severe and often requires prompt treatment. Many of these patients have an overt form of spina bifida. In such cases, a localized bulging mass can be found at the lower back, possibly accompanied by protruding spinal cord, meninges, and nerve roots. For these patients, early surgical intervention is recommended. Clinically, surgery is usually advised to remove the bulging mass and effectively separate and release the adhered nerve roots. If possible, it is best to reposition them back into the spinal canal to achieve the surgical treatment goals. Such surgeries are generally recommended to be performed at well-known, top-tier hospitals locally.
How to check for pituitary tumors?
For the examination of pituitary tumors, it can be conducted jointly through various methods such as inquiring about the patient's medical history based on symptoms and signs, as well as conducting endocrine and radiological examinations. Currently, with the continuous advancement in modern endocrinology, the use of endocrine radiology immunodiagnostic methods allows for the direct measurement of various hormones from the pituitary and hypothalamus, and functional tests of the pituitary can be performed. This helps in understanding whether there is hyperfunction in the pituitary and target organs, and provides an effective evaluation of early diagnosis of pituitary tumors, changes before and after treatment, and treatment efficacy, which is of significant importance. Additionally, judgments can also be made jointly through various methods such as cranial CT, cranial MRI, and enhanced MRI scanning of the pituitary gland.
Clinical manifestations of glioma
For patients with glioma, as it is a malignant tumor with a rapid growth rate, they may exhibit severe symptoms at the early stage of the disease, including severe headaches, dizziness, nausea, vomiting, loss of appetite, poor mental state, poor sleep quality at night, frequent insomnia and nightmares, and easy waking up. As the tumor increases in size, it often causes an increase in intracranial pressure. In severe cases, this may lead to optic disc edema, decreased vision, and visual field defects. Additionally, some patients may experience impairment in motor functions, manifesting as hemiplegia, and in some cases, aphasia. It is advised to undergo surgery in the early stages, followed by radiotherapy and chemotherapy.