Table 3.

Positive patients (PP) perfusion and diffusion values

Patients	Perfusion mean values (rate)a						Diffusion mean values (ADC mm2/sec)b
	Periventricular white matter			Basal ganglia			Periventricular white matter			Basal ganglia
	Basal evaluation	Post-test evaluation	After surgery evaluation	Basal evaluation	Post-test evaluation	After surgery evaluation	Basal evaluation	Post-test evaluation	After surgery evaluation	Basal evaluation	Post-test evaluation	After surgery evaluation
A	0.85	1.11	1.34	1.46	2.22	2.45	1107.84	1075.96	1122.28	662.71	763.95	811.15
B	0.59	0.71	0.84	1.12	1.33	1.38	917.99	893.31	875.20	753.40	781.38	762.25
C	0.64	1.03	1.08	1.24	1.89	2.02	787.90	814.88	812.00	677.18	683.95	697.66
D	0.64	0.90	1.52	1.35	1.85	2.87	1271.25	1037.63	908.98	729.51	778.29	908.98
E	0.51	1.08	0.98	0.89	2.00	1.90	857.25	819.58	801.34	701.10	725.04	778.50
F	0.58	1.40	1.47	1.07	2.39	2.36	993.28	925.93	941.58	725.03	727.94	734.56
G	0.61	0.91	0.78	1.00	1.54	1.17	947.41	925.24	925.48	752.65	752.26	772.91
H	0.51	0.68	0.76	1.05	1.16	1.51	821.90	840.56	840.85	684.59	667.03	698.10
I	0.58	0.68	0.84	1.01	1.02	1.46	881.43	859.48	834.24	682.03	749.88	742.79
L	0.37	0.57	0.77	1.10	1.01	1.29	1116.04	1071.39	1056.63	675.35	621.00	746.25
M	0.91	1.02	1.24	1.42	1.78	2.12	872.51	832.69	841.56	694.99	672.75	734.56
N	0.59	0.71	0.84	1.12	1.33	1.38	917.99	893.31	875.20	753.40	781.38	762.25
O	0.64	0.90	1.52	1.35	1.85	2.87	1271.25	1037.63	908.98	729.51	778.29	908.98

^aPerfusion rates are expressed relative to that in the occipital cortex

^bDiffusion is expressed using apparent diffusion coefficient (ADC) parameter