Applications of CT-adapted stereotaxis for the diagnosis and treatment of intracranial lesions |
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Authors: | R. D. Lobato J. J. Rivas |
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Affiliation: | (1) Present address: Service of Neurosurgery, Hospital 1. Octubre and Facultad de Medicina, Universidad Complutense, Madrid, Spain |
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Abstract: | Summary Two hundred twenty five patients with intracranial lesions underwent diagnostic and therapeutic stereotactic surgery during the period 1978–1985. In the first 98 cases target coordinates were determined by transferring the information from the CT images to the standard stereotactic films. In the remainder, a simple, CT adapted stereotactic system has been used. Operations were as a rule performed under local anaesthesia. Positive histological diagnosis using paraffin embedding was achieved in 96% of the patients (biopsy success rate). Therapeutic procedures included abscess and cyst aspiration, cyst shunting, interstitial (Ir 192) or intracavitary (Y 90) irradiation and ventriculocisternostomy. Stereotactic surgery implied a refinement of the eventual therapeutic management in 90% of the cases. Transient neurological deficit occurred in 5.7% of the patients and there were three deaths (mortality rate 1.3%). Infection or other complications were not seen. The rationale and indications for non-functional stereotaxis are discussed. |
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Keywords: | Brain abscess brain tumour computed tomography cyst needle biopsy stereotaxy third ventricle tumour |
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