Nigrosome 1 hyper...
Axial Illustration 3
Nigrosome 1 hyperintense signal is lost on parkinson disease thus there is loss of normal swallow tail sign.
Section: Signs
Modality: MRI (Illustration 3)

- “ Illustrations courtesy of Dr. Afra Alfalahi ”

Used in the following article:

  • Swallow tail sign (substantia nigra) - “ The swallow tail sign describes the normal axial imaging appearance of nigrosome-1 within the substantia nigra on high resolution T2*/SWI weighted...”

View full size version of Loss of swallow tail sign in Parkinson disease

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