Wednesday, March 12, 2008
Brain Tumor
Overview of intracranial tumors, also known as brain tumors, their causes remain unknown, since the brain tumor, brain, pituitary, cranial nerves, Cerebrovascular and embryos residual organizers, known as primary brain tumor. By the body's other organs of the intracranial tumor metastasis, called secondary brain tumor. Intracranial tumors, also known as brain tumors, their causes remain unknown. Symptoms of the following four aspects of the pathophysiology of intracranial tumor to increased pressure within the skull and gradually add to the reasons : Tumor volume over compensatory intracranial pressure regulation; Tumor response surrounding brain edema; CSF circulation pathway obstruction; venous obstruction. Headache, vomiting, papilledema increased intracranial pressure is the "three main symptoms," intracranial tumors is the main clinical symptoms. 1, headaches : 80% to meet the patients, the most common early symptoms, but not the main basis for the diagnosis. Where can add to the increased intracranial pressure factors, can make a headache intensified. 2, vomiting : nothing to do with diet, was mostly in the early morning. More severe vomiting and headache accompanied by the sometimes were sprayed, but the non-projectile vomiting not uncommon. 3, papilledema : Early without visual impairment, with the extension of time, depending on the development, there concentric narrow vision, advanced secondary optic atrophy is rapidly declining eyesight. This is also caused by optic neuritis papilledema false distinction between points. Palilledema "three main symptoms," the important objective basis. Check X-ray; Cerebral angiography; Ventricular angiography; Gas cerebral angiography; CT; MRI. An inspection, aimed at the treatment of symptomatic intracranial hypertension, such as the application of dehydration reduce intracranial pressure drug; Epilepsy author of the application of antiepileptic drugs. Tumor located in key places, impossible to implement surgery and drug treatment and the results are not satisfactory, workable CSF shunt, temporalis muscle under decompression, muscle pillow under decompression or to hemicraniectomy such as palliative surgery. 2, etiology, therapy : ① is surgical resection, resection of the principles are : Where benign tumor excision should strive to achieve the effect cured; Where cancer or important functions in the benign tumor, according to the patient and technical conditions to be part of or subtotal resection to achieve decompression for the purpose. ② where malignant or not excision of the tumor radiation sensitive, postoperative radiation therapy should be performed. ③ malignancies, particularly glioma and metastatic tumors, in addition to postoperative radiation therapy, fair through various ways and means to give chemotherapy, or chemotherapy. For malignant brain tumor after surgery and the effect of prolonging survival, application radiotherapy, chemotherapy, immunotherapy, collectively referred to as a comprehensive brain tumor therapy. 3, Chinese medicine treatment can be used as an integrated treatment of one of the measures that apply to some not suitable for surgery and up, chemotherapy or relapse after surgery patients.
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