Comparison of PET/CT Postvaccination Studies
| Days of increased lymphadenopathy uptake | |||||
|---|---|---|---|---|---|
| Study | Tracer | Vaccinated patients (n) | After first or only vaccination | After second vaccination | Increased uptake in deltoid muscle |
| Orevi (current study) | 18F-FDG, 68Ga-DOTATATE, PSMA | 503 | ≤22 | ≤32 | 18F-FDG, 20%; 68Ga-DOTATATE, 21%; PSMA, 13% |
| Cohen (9) | 18F-FDG | 728 | ∼13 | ∼20 | NA |
| Eshet (10) | 18F-FDG | 169 | NA | ≤70 | NA |
| Eifer (11) | 18F-FDG, 68Ga-DOTATATE, PSMA | 426 | NA | NA | 18F-FDG, 26%; 68Ga-DOTATATE, 9%; PSMA 0% |
| Bernstine (12) | 18F-FDG | 650 | 22 | 22 | NA |
NA = not applicable.
There was no increased uptake after third vaccination.