Normal Mid-Sagittal MRI scans of the Lumbar Spine. Mid-Sagittal MRI of the Lumbar Spine. Left (T1-weighted image); Right (T2-weighted image). On this view centered over the lumbar spine, one can see ...

PSP can be distinguished from normal controls, PD and MSA-P by calculating the ratio of the midbrain-to-pons area. The presence of the penguin silhouette sign on mid-sagittal MRI scan is also ...

Chiari Malformation Type II: (Left and Middle) T2-weighted axial MRIs; (Right) T1-weighted sagittal MRI. The axial scans show several abnormalities, including descent of the cerebellar tonsils, an ...