What is the role of MRI in the workup of multiple system atrophy (MSA)?

Updated: Oct 17, 2018
  • Author: André Diedrich, MD, PhD; Chief Editor: Selim R Benbadis, MD  more...
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Answer

Brain images may be normal in MSA. However, olivopontocerebellar atrophy (OPCA), cerebellar atrophy, and the putaminal lesions of striatonigral degeneration are often detected using MRI techniques. The slight hyperintensity of the lateral margin of the putamen on T2-weighted MRI is a characteristic finding in patients with MSA involving the extrapyramidal system. [33]


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