Complaint: Parkinson's disease
is clinically evident by its triad of bradykinesia and hypokinesia,
resting tremor, and increased tonicity of voluntary musculature and loss
of postural reflexes.
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| The two images above are T2-weighted axial images through the midbrain. MR has been chosen in place of CT because of its more specific findings. In the image on the below, the arrows indicate areas of decreased width of the low signal intensity pars compacta within the substantia nigra. This is a subtle but visible finding when comparing to the age-matched control on the above. |
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