Examination findings

• The patient exhibited symmetrical axial and limb rigidity.
• He had a stooped posture and neck flexion.
• He had both a rest and postural tremor of 4 Hz which was worse on the right than the left side.
• Tremor was re-emergent (ie. it settled temporarily between rest and action) and dependent (ie. it worsened in the hands when walking).
• Facial expression and voice modulation were reduced.
• Did the patient have Parkinson’s disease?

DaTSCAN imaging