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MRI contribution to the stereotactic management of cerebral tumours
C Mercier1, J F Le Bas, A L Benabid
1Department of Neurosurgery, Notre-Dame Hospital, Montreal, Que., Canada.
Applied Neurophysiology
|January 1, 1987
Abstract:
Of 67 patients with cerebral tumours studied by MRI, 60 underwent stereotactic biopsy for histological diagnosis. The data from MRI were compared with those obtained from the CT scan with regard to the pathological diagnosis. The tumoural nature and extent of a lesion were better revealed by MRI. The single or multiple localization of the process was also seen better by MRI. Moreover, the sagittal-plane views shown by MRI provide much more accurate target placement and probe guiding for an orthogonal stereotactic approach. Finally, a post-biopsy MRI can show the biopsy site in relation to the tumour better.