Meridians Imaging of ¹⁸F-FDG and ¹⁸F-NaF Tracers Using MicroPET in Rats

In order to research the migration line after injection of the tracer to Zusanli acupoint. ¹⁸F-FDG or ¹⁸F-sodium fluoride was injected into Zusanli acupoint of the rats in doses of 0.03~0.1 mL (200~300 uCi). The microPET image and CT image were acquired respectively and fused together and reconstruction of 3D. ¹⁸F-FDG and ¹⁸F-sodium fluoride could show the migration line in meridian objectively, however, the ¹⁸F-sodium fluoride showed significant bone uptake. ¹⁸F-FDG was superior to ¹⁸F-sodium fluoride in meridians imaging. The results showed that ¹⁸F-FDG was more suitable for use in meridians imaging.