Application of Dynamic ¹⁸F-FDG PET/CT for Distinguishing Intrapulmonary Metastases from Synchronous Multiple Primary Lung Cancer

Table 2

Statistical results of the sMPLC and IPM groups.

		sMPLC group ()	IPM group ()	value
Tumor 1	(cm)	1.80 (0.50-5.50)	3.85 (1.60-8.80)	<0.0001
		0.95 (0.32-8.76)	8.69 (1.33-16.06)	<0.0001
		0.0028 (0.0004-0.0456)	0.0480 (0.0042-0.0756)	<0.0001
Tumor 2	(cm)	0.90 (0.30-5.20)	0.85 (0.30-4.80)	0.71
		0.80 (0.27-6.35)	1.03 (0.14-9.47)	0.23
		0.0015 (0.0003-0.0413)	0.0028 (0.0002-0.0411)	0.37
Indicator		0.96 (0.02-2.16)	1.27 (0.03-4.72)	0.08
		0.0019 (0.0003-0.0140)	0.0102 (0.0004-0.0294)	<0.001

Data are shown as median (minimum–maximum). sMPLC: synchronous multiple primary lung cancer; IPM: intrapulmonary metastases; : largest diameter of tumor 1; : largest diameter of tumor 2; : influx rate constant; : maximum standardized uptake value; : of tumor 1; : of tumor 2; : of tumor 1; : of tumor 2; : absolute difference between and ; : absolute difference between and .