TABLE 1

Demographic Characteristics of PD Patients and Their Imaging Findings

Patient no.	Sex	Age (y)	Disease duration (y)	HYS	Clinical manifestations	Visual inspection			SUR
																PET							SPECT
																ST			PU			ST		PU
												¹⁸F-FDOPA PET	^99mTc-TRODAT-1 SPECT	R	L	R	L	R	L	R	L
1	M	78	3	I	Bradykinesia, tremor, R limbs	Mildly decreased uptake in bil. ST	Decreased uptake in bil. PU, more on L	1.31	1.36	1.42	1.5	1.63	1.25	1.49	1.04
2	F	48	5	III	Rigidity, akinesia, tremor, bil.	Decreased uptake in bil. PU, more on R	Decreased uptake in bil. PU, more on R	0.70	0.80	0.27	0.35	1.08	1.01	0.75	0.78
3	M	59	8	IV	Rigidity, akinesia, tremor, bil.	Decreased uptake in bil. ST, more on R	Markedly decreased uptake in bil. ST, more on R	0.44	0.47	0.41	0.53	0.37	0.89	0.25	0.65
4	F	66	9	IV	Rigidity, akinesia, tremor, bil.	No uptake in bil. PU	Markedly decreased uptake in bil. ST, more on L	0.61	0.72	0.48	0.58	0.78	0.50	0.74	0.31
5	M	67	12	III	Rigidity, akinesia, tremor, bil.	Decreased uptake in bil. CA, no uptake in bil. PU	Decreased uptake in bil. ST, more on L	0.45	0.40	0.42	0.36	0.97	0.38	0.78	0.51
6	M	66	7	IV	Rigidity, akinesia, tremor, bil.	Decreased uptake in bil. PU and L CA	Decreased uptake in bil. PU and L CA	0.36	0.34	0.41	0.34	1.13	0.86	0.82	0.63
7	M	77	6	III	Rigidity, akinesia, tremor, bil.	Decreased uptake in bil. ST	Decreased uptake in bil. ST, more on R	0.67	0.62	0.76	0.79	0.82	0.98	0.66	0.93
8	M	69	7	II	Rigidity, tremor, R > L limbs	Decreased uptake in bil. PU, more on L	Decreased uptake in bil. PU, more on L	0.50	0.51	0.78	0.72	0.96	0.95	0.67	0.45
9	F	70	5	III	Rigidity, tremor, R > L limbs	Decreased uptake in bil. ST, more on L	Decreased uptake in bil. ST, more on L	0.84	0.73	0.87	0.74	1.17	0.43	1.06	0.02
10	F	67	4	III	Rigidity, akinesia, tremor, L > R limbs	Decreased uptake in bil. PU, more on R	Decreased uptake in bil. PU, more on R	0.72	0.74	0.76	0.82	0.96	1.08	0.16	0.49
11	M	48	5	II	Rigidity, tremor, L > R limbs, mask face	Decreased uptake in bil. PU, more on R	Decreased uptake in bil. ST	0.66	0.86	0.57	0.91	0.90	0.84	0.69	0.61
12	F	53	2	I	Rigidity, tremor, R limbs	Decreased uptake in bil. PU	Decreased uptake in bil. PU	0.94	0.87	0.86	0.65	1.54	1.19	1.34	0.96
13	F	71	6	III	Rigidity, akinesia, tremor, L > R limbs	Decreased uptake in bil. PU	Decreased uptake in bil. PU, more on L	0.56	0.54	0.52	0.64	1.49	1.39	1.18	0.91
14	F	49	3	I	Rigidity, tremor, L upper limb	Decreased uptake in bil. PU, more on R	Decreased uptake in bil. PU, more on R	0.78	1.00	0.76	0.91	1.61	2.15	0.90	1.25
15	F	74	3	II	Rigidity, akinesia, tremor, L > R limbs	Decreased uptake in bil. PU, more on R	Markedly decreased uptake in bil. ST	1.16	1.40	1.11	1.29	0.77	0.53	0.69	0.39
16	M	56	5	II	Rigidity, akinesia, tremor, L > R limbs	Decreased uptake in bil. PU, more on R	Decreased uptake in bil. PU, more on R	0.56	1.03	1.02	1.27	0.93	1.12	0.60	1.04
17	M	70	4	II	Bradykinesia, tremor, L > R limbs	Decreased uptake in bil. ST	Decreased uptake in bil. PU, more on R	1.10	1.05	0.97	1.27	1.39	1.50	0.85	1.04
18	M	76	3	II	Akinesia, tremor, R > L limbs	Mildly decreased uptake in bil. ST	Decreased uptake in bil. PU	1.30	1.24	1.31	1.15	1.48	1.28	1.11	0.96
19	M	65	5	I	Akinesia, tremor, R limbs	Decreased uptake in L PU	Decreased uptake in bil. PU, more on L	1.20	1.03	1.32	1.17	2.06	1.22	1.69	1.24
20	F	52	6	III	Rigidity, akinesia, tremor, bil.	Decreased uptake in bil. ST	Decreased uptake in bil. ST	0.54	0.52	0.48	0.47	1.10	1.02	0.57	0.69

ST = striatum; PU = putamen; CA = caudate; bil. = bilateral.