| stereotactic a. |
a group of maps of the areas of the cerebrum, usually stressing physiologic functions, for use in stereotactic surgery.
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| stereotactic b. |
biopsy of the brain using a stereotactic technique to locate the biopsy site.
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| stereotactic n. |
see under surgery.
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| stereotactic r. |
stereotactic surgery in which lesions are produced by ionizing radiation.
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| stereotactic s. |
any of several techniques for the production of sharply circumscribed lesions in specific tiny areas of pathologic tissue in deep-seated structures of the central nervous system. The site to be worked on is localized with three-dimensional coordinates; precise images, obtained usually with computed tomography or magnetic resonance imaging, may be compared with those in a stereotactic atlas. An arc guidance system is used to direct the electrode or other lesion-producing instrument; methods of producing lesions include heat, cold, x-rays, and ultrasound. See also stereotactic technique, under technique. Called also stereoencephalotomy, stereotaxy, and stereotactic neurosurgery.
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