Effect of Peptide Receptor Radionuclide Therapy on Somatostatin Receptor Status and Glucose Metabolism in Neuroendocrine Tumors: Intraindividual Comparison of Ga-68 DOTANOC PET/CT and F-18 FDG PET/CT

Table 2

Response to PRRNT: comparison of SMS-R and FDG PET/CT.

Group	PET/CT	Response	Before PRRT		After PRRT
			N	SUVmax	N	SUVmax^†
Group A	SMS	CR + PR	44	27.4 ± 14.9	41	16.3 ± 9.9^†
		SD	24	19.1 ± 9.9	24	18.0 ± 9.5^†
		PD	10	12.9 ± 5.6	10	19.9 ± 7.5*
		Total	78	23.0 ± 13.6	75	17.3 ± 9.4^†
	FDG	CR + PR	44	9.4 ± 4.4	37	6.5 ± 4.1^†
		SD	24	8.2 ± 3.7	20	6.3 ± 3.2*
		PD	10	8.9 ± 5.1	7	7.1 ± 6.6
		Total	78	9.0 ± 4.3	64	6.6 ± 4.2
Group B	SMS	CR + PR	25	12.9 ± 9.3	15	6.7 ± 6.5^†
		SD	20	17.4 ± 8.9	20	16.5 ± 8.4*
		PD	3	12.0 ± 5.2	3	18.4 ± 5.8
		Total	48	14.7 ± 9.1	38	11.5 ± 8.8
Group C	FDG	Total	7	12.6 ± 5.0	7	16.9 ± 8.0*

^†: P < 0.0001, *: P < 0.05.