MRI
T2
T2
There was significant atrophy of the midbrain with a "hummingbird" or "penguin" sign on sagittal images due to preserved pontine volume.
T2
T2
T2
T2
MRI
T2
T2
There was significant atrophy of the midbrain with a "hummingbird" or "penguin" sign on sagittal images due to preserved pontine volume.