TABLE 1

Patient Data

		Age (y) at initial diagnosis of lesion		Location of lesion^†	Reason for MRI^‡	Growth pattern on initial MRI	Mean L/B ratio for ¹⁸F-FET uptake in lesion on PET	Date (mo/y) of initial MRI leading to diagnosis of NIL	Clinical course	Radiologic course		Time after initial diagnosis until lesion resection (mo)	Histology of lesion after resection^‖	Time after initial diagnosis until death from disease (mo)
Group^*	Patient	Age (y) at initial diagnosis of lesion	Sex	Location of lesion^†	Reason for MRI^‡	Growth pattern on initial MRI	Mean L/B ratio for ¹⁸F-FET uptake in lesion on PET	Date (mo/y) of initial MRI leading to diagnosis of NIL	Clinical course	Regression^§	Progression^¶	Time after initial diagnosis until lesion resection (mo)	Histology of lesion after resection^‖	Time after initial diagnosis until death from disease (mo)
A	1	44	M	R T	Collapse	Circumscribed	1.0	05/2004	Unchanged	3
	2	54	F	R F	Dizziness	Circumscribed	1.1	02/2004	Unchanged	6
	3	35	F	L T	Sudden deafness	Circumscribed	1.3	07/2003	Unchanged	5
	4	25	F	L O	Healthy volunteer	Circumscribed	1.3	01/2003	Unchanged	4
	5	30	F	R P	Dizziness	Circumscribed	1.4	09/2004	Unchanged	10
B	6	39	M	L F	Blurred vision	Circumscribed	0.8	06/2003	Unchanged
	7	41	M	R O	Antisocial behavior	Circumscribed	1.0	04/2003	Unchanged
	8	37	F	L F	Migraine	Circumscribed	1.0	11/2004	Unchanged
	9	64	M	L O	Blurred vision	Circumscribed	1.0	03/2004	Unchanged
	10	51	F	R T	Headaches	Circumscribed	1.0	01/2001	Unchanged
	11	11	F	L F	Headaches	Circumscribed	1.0	01/2003	Unchanged
	12	74	F	R F	Headaches	Circumscribed	1.0	06/2004	Unchanged
	13	38	F	R F	Healthy volunteer	Circumscribed	1.0	02/2002	Unchanged
	14	13	F	R F	Antisocial behavior	Circumscribed	1.0	08/2003	Unchanged
	15	28	F	R F	Dizziness	Circumscribed	1.1	05/1999	Unchanged
C	16	29	F	R F	Collapse	Circumscribed	0.7	07/2000	Unchanged		27	75	A II
	17	42	F	R F	Headaches	Circumscribed	1.0	05/2001	Unchanged		21	69	A II
D	18	36	M	R P	Sudden deafness	Diffuse	1.6	10/2003	Deterioration		40	41	A III
	19	61	F	R P	Dizziness	Diffuse	1.7	06/2002	Deterioration		13	13	GB IV	17
	20	49	F	L F	Migraine	Diffuse	2.3	10/2001	Deterioration		13	13	GB IV	22
	21	38	M	R F	Headaches	Diffuse	2.4	08/2003	Deterioration		2	2	GB IV	42

↵* A: lesions that regressed; B: lesions that were stable, without growth; C: lesions with continuous and slow growth; D: lesions with sudden and rapid growth.
↵† R = right hemispheric; T = temporal; F = frontal; L = left hemispheric; O = occipital; P = parietal.
↵‡ Nonspecific symptom or reason leading to initial imaging.
↵§ Time interval in months until decrease in lesion size of at least 30%.
↵¶ Time interval in months until increase in lesion size of at least 30%.
↵‖ A II = astrocytoma of WHO grade II; A III = anaplastic astrocytoma of WHO grade III; GB IV = glioblastoma of WHO grade IV.