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Diagnosis of brain tumor

Updated: Thursday, Mar 11,2010, 4:33:35 PM
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(A) physical examination
    In addition to general medical examination outside should pay attention to whether the superficial lymph nodes, and a detailed neurological examination, combined with medical history and focused. If suspected lesions should be particularly careful investigation saddle vision, cerebellar lesions should pay attention to check the hearing and vestibular functions. Unconscious patients should be as much as possible for the nervous system examination, including fundus examination. The limitations of the nervous system signs is based primarily on tumor location; in some parts, such as prefrontal cortex, intraventricular tumors may be no obvious limitations of such signs, therefore, need special checks to work correctly under other location.
    (B) Special Inspection
    1. Skull X-ray plain film, and positioning can provide evidence of increased intracranial pressure.
    2. Ultrasound examination: wave to the contralateral midline shift. B-emission computed tomography able to see the size of the space-occupying lesion.
    3. CT, MRI scans: You can scan the detailed internal structure at all levels and brain tissue of different images, there are lesions at high density.
    4. Radioisotope brain scan, showing that the phenomenon of isotope concentration.
    5. EEG: on the screen positive rate of tumor localization on the high-lesion cortex appears slow wave.
    6. Vascular angiography: qualitative diagnosis can be used for positioning.
    7. Ventricle angiography: right in the midline, intraventricular tumor of lives and cranial rear window application.
    Based on the clinical manifestations, combined with selection of an inspection, the general diagnosis can be made.

Tags: Brain tumor

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