Signo de la golondrina en la Enfermedad de Parkinson

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 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. 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
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Midiendo el volumen del bulbo olfatorio como método diagnóstico para la Enfermedad de Parkinson

A. Paciente con Atrofia Multisistema, presenta una morfología del bulbo olfatorio normal.
B. Paciente con Parkinson, con reducción del volumen del bulbo.

El volumen del bulbo olfatorio permite ayudar a distinguir entre pacientes con Enfermedad de Parkinson y pacientes con Parkinsonismo (AMS, DCB, PSP).

DOI: http://dx.doi.org/10.1016/j.parkreldis.2015.05.001