CT SCANNING IN STEREOTAXIC CONDITIONS

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  • 1 January 1977
    • journal article
    • research article
    • Vol. 23  (6-7) , 433-452
Abstract
The stereotaxic approach to cerebral lesions [in man] for diagnostic (biopsies) and/or therapeutic purposes (interstitial radiotherapy) is well documented. These techniques depend on an exact spatial definition of the tumor volume, which is often difficult to obtain through conventional neuroradiology, stereoencephalography and rheography. The use of tomodensitometry in this context is obviously of interest if, and only if, the scan is obtained in stereotaxic conditions. A stereotaxic system was presented which all the diagnostic data, including CT [computed tomography] scan itself, were recorded and matched within the same stereotaxic space. This method achieved an exact mapping of lesions within the stereotaxic brain space. Any further stereotaxic gesture can be calculated and controlled with a suitable accuracy. The interest of these procedures in the management of brain lesions was demonstrated through an experience of 52 supratentorial tumors. Cases of lesions (13) under 20 mm in diameter especially discussed.

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