Pathophysiology of parkinsonism due to hydrocephalus

Table 1

[¹⁸F]dopa influx constants (Ki)* in the patient and the controls with Parkinson’s disease (PD)

	Caudate		Anterior putamen		Posterior putamen		Caudate/posterior putamen ratio
	Left	Right	Left	Right	Left	Right	Caudate/posterior putamen ratio
*All values are mean (SD).
† Range.
Patient	0.0072	0.0066	0.0082	0.0073	0.0052	0.0056	1.27
PD controls	0.0069 (0.0016)	0.0068 (0.0014)	0.0057 (0.0023)	0.0064 (0.0020)	0.0035 (0.0018)	0.0039 (0.0017)	2.11 (0.85)
PD controls	0.0069 (0.0016)	0.0068 (0.0014)	0.0057 (0.0023)	0.0064 (0.0020)	0.0035 (0.0018)	0.0039 (0.0017)	1.37−4.27†
Normals	0.010 (0.001)	0.010 (0.002)	0.012 (0.002)	0.012 (0.002)	0.012 (0.001)	0.012 (0.002)	0.84 (0.74)

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Pathophysiology of parkinsonism due to hydrocephalus

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