Clinical high res...
Axial SWI
Clinical high resolution 3D-T2*/SWI MRI (Philips ‘PRESTO’ sequence) of a Parkinson's disease patient showing absence of the normal high SWI signal within the nigrosome-1 bilaterally (absent swallow tail sign). Image and text used under creative commons licence CC BY 3.0. Original source: Schwarz ST, Afzal M, Morgan PS et-al. The 'swallow tail' appearance of the healthy nigrosome - a new accurate test of Parkinson's disease: a case-control and retrospective cross-sectional MRI study at 3T. PLoS ONE. 2014;9 (4): e93814. doi:10.1371/journal.pone.0093814
Modality: MRI (SWI)

Used in the following articles:

  • 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...”
  • Parkinson disease - “ Parkinson disease (PD), also known as idiopathic parkinsonism, is a neurodegenerative disease and movement disorder characterised by a resting tre...”

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