Table 1.

PiB PET activity by tumor type

		Lesion SUVmax		Lesion:cerebellum SUVmax ratio
Tumor type	N	Mean	SD	Mean	SD
Meningioma	29	2.05	1.37	2.12	0.70
Vestibular schwannoma	7	0.80	0.39	0.96	0.35
Pituitary macroadenoma	4	0.94	0.19	1.19	0.26
Metastasis	2	1.40	0.72	1.13	0.24
Intraventricular mass	2	1.37	0.54	1.39	0.29
Epidermoid	1	1.13	–	1.06	–