MRI-Stereotactical Approach for Neural Grafting in Basal Ganglia Disorders
Identifieur interne : 000237 ( France/Analysis ); précédent : 000236; suivant : 000238MRI-Stereotactical Approach for Neural Grafting in Basal Ganglia Disorders
Auteurs : S. Palfi [France] ; J. P. Nguyen [France] ; P. Brugieres [France] ; C. Le Guerinel [France] ; P. Hantraye [France] ; P. Remy [France] ; S. Rostaing [France] ; G. L. Defer [France] ; P. Cesaro [France] ; Y. Keravel [France] ; M. Peschanski [France]Source :
- Experimental Neurology [ 0014-4886 ] ; 1997.
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Abstract
Optimization of the procedures for neural grafting is a timely issue, as this technique has proven beneficial for a few patients with late-stage Parkinson's disease in pilot studies and therefore may expand to become a more widely available therapeutic. In this research, one major issue is that of the placement of the cell deposits in the right target areas within the striatum. Although it is widely accepted that these suitable regions are the sensorimotor regions of the putamen, reliable delineation of these areas using classical stereotactical mapping techniques remains difficult. Along the course of a 5-year-long clinical transplantation program, we have developed an original procedure based on magnetic resonance imaging of the striatum on parasagittal views. This technique allowed us to identify precisely, and reproducibly in each patient, three subregions of the putamen (precommissural, commissural, and postcommissural) to be implanted. On the basis of the literature defining the sensorimotor putaminal regions in nonhuman primates, it was subsequently possible to extrapolate and localize these regions in each patient, thus providing a basis for the placement of cell deposits. Examples taken from our series of grafted patients demonstrate the value of this procedure that, in addition, minimizes interference of interindividual variability in the interpretation of clinical results.
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DOI: 10.1006/exnr.1997.6754
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In this research, one major issue is that of the placement of the cell deposits in the right target areas within the striatum. Although it is widely accepted that these suitable regions are the sensorimotor regions of the putamen, reliable delineation of these areas using classical stereotactical mapping techniques remains difficult. Along the course of a 5-year-long clinical transplantation program, we have developed an original procedure based on magnetic resonance imaging of the striatum on parasagittal views. This technique allowed us to identify precisely, and reproducibly in each patient, three subregions of the putamen (precommissural, commissural, and postcommissural) to be implanted. On the basis of the literature defining the sensorimotor putaminal regions in nonhuman primates, it was subsequently possible to extrapolate and localize these regions in each patient, thus providing a basis for the placement of cell deposits. Examples taken from our series of grafted patients demonstrate the value of this procedure that, in addition, minimizes interference of interindividual variability in the interpretation of clinical results.</div></front></TEI><affiliations><list><country><li>France</li></country><region><li>Basse-Normandie</li><li>Région Normandie</li><li>Île-de-France</li></region><settlement><li>Caen</li><li>Créteil</li><li>Orsay</li></settlement></list><tree><country name="France"><region name="Île-de-France"><name sortKey="Palfi, S" sort="Palfi, S" uniqKey="Palfi S" first="S." last="Palfi">S. Palfi</name></region><name sortKey="Brugieres, P" sort="Brugieres, P" uniqKey="Brugieres P" first="P." last="Brugieres">P. Brugieres</name><name sortKey="Cesaro, P" sort="Cesaro, P" uniqKey="Cesaro P" first="P." last="Cesaro">P. Cesaro</name><name sortKey="Defer, G L" sort="Defer, G L" uniqKey="Defer G" first="G. L." last="Defer">G. L. 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