Fluorine-19 Magnetic Resonance Imaging and Positron Emission Tomography of Tumor-Associated Macrophages and Tumor Metabolism

Table 1

Correlation of ¹⁹F signal on day 2 with tumor volume, PET parameters, and their changes over time.

Parameters	r	p
Δ(day 7 − day 2)
Tumor volume	0.6242	0.0098
SUV		0.0393
		0.5004
% ID/g		0.0437
Day 2
Tumor volume		0.533
SUV	0.155	0.567
		0.547
% ID/g	0.1269	0.6396
Day 7
Tumor volume	0.626	0.0096
SUV		0.0049
		0.0051
% ID/g		0.0037

PET, positron emission tomography; SUV, standardized uptake value; , maximum SUV; % ID/g, percentage injected dose per gram tissue.