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   J Neuroradiol 1996 Dec;23(3):157-63
   
[MRI of degenerative extrapyramidal syndromes. Parkinson disease, progressive
supranuclear palsy and multiple system atrophy].

   [Article in French]
   
    Elkeslassy A, Miaux Y, Martin-Duverneuil N, Brunet E, Savin D, Chiras J
    
   Service de Neuroradiologie Charcot, Groupe Hospitalier
   Pitie-Salpetriere, Paris.
   
   MR imaging of the brain, particularly with high field MR imagers, may
   demonstrate signal abnormalities consistent with deposits of iron or
   other paramagnetic substances in extrapyramidal disorders. The
   diagnosis of Parkinson's disease and progressive supranuclear palsy
   can be made on clinical grounds in most of the cases and MR signs are
   of little help in the diagnosis of these diseases. In patients with
   parkinsonian disorders poorly responding to therapy, MR imaging may be
   useful in demonstrating signal abnormalities in the putamen that may
   help to establish the diagnosis of striatonigral degeneration
   (component of multiple system atrophy) with a poorer prognosis than
   Parkinson's disease. Finally, MR imaging may be useful in the
   exclusion of other disease processes.
   
   Publication Types:
     * Review
     * Review, tutorial
       
   PMID: 9091608, UI: 97140906
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