Changes seen | Areas involved for MSA-P | Areas involved for MSA-C |
Atrophy |
|
|
Increased diffusivity |
|
|
Decreased signal on iron-sensitive sequences | Putaminal rim | |
T2 hyperintensity | ‘Hot-cross bun’ sign in pons |
MSA, multiple system atrophy; MSA-C, MSA-cerebellar; MSA-P, MSA-parkinsonian.