Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Advantages and disadvantages of the different imaging modalities covered in this review
| Sensitivity | Spatial resolution | Tissue penetration | Common tracer | |
|---|---|---|---|---|
| PET | + | − | + | 11C, 18F, 68Ga, 64Cu |
| SPECT | + | − | + | 99mTc, 111In, 123I, 131I |
| MRI | − | + | + | SPIO, Gd3+, Mn2+ |
| Optical imaging | + | + | − | Luciferin, NIR fluorophores |
