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 3

Different response patterns according to tumor location.

Location	Group	PET/CT	Before PRRT		After PRRT
			N	SUVmax	N	SUVmax
Primary sites	Mat	SMS	10	23.2 ± 11.0	9	17.6 ± 8.0*
		FDG	10	9.0 ± 4.2	9	8.2 ± 4.2
	Mis	SMS	9	14.5 ± 13.5	5	12.9 ± 14.7
LN	Mat	SMS	17	21.3 ± 13.6	17	15.3 ± 9.6^†
		FDG	17	9.5 ± 5.1	16	8.4 ± 5.3
	Mis	SMS	9	10.5 ± 5.1	5	7.5± 7.4
Liver	Mat	SMS	42	26.5 ± 13.9	39	19.6 ± 9.5^†
		FDG	42	8.8 ± 4.2	32	6.2 ± 3.6^†
	Mis	SMS	22	19.0 ± 7.4	21	14.9 ± 5.7*
		FDG	7	12.6 ± 5.0	7	16.9 ± 8.0*
Bone	Mat	SMS	9	9.9 ± 3.5	9	9.6 ± 4.9
		FDG	9	8.6 ± 3.2	7	3.2 ± 1.6*
	Mis	SMS	8	7.5 ± 3.1	7	5.1 ± 3.1*

Abbreviations: Mat: matched, Mis: mismatched, LN: lymph nodes.
^†: P < 0.0001, *: P < 0.05.