Table 2.
99mTc tracers with their 68Ga analogs.
| Diagnostics | 99mTc | 68Ga |
|---|---|---|
| Peptide receptors | 99mTc-HYNIC-peptide | 68Ga-DOTA-peptide |
| Bone metastases | 99mTc-MDP | 68Ga-phosphonates |
| Renal function | 99mTc-DTPA/MAG3/DMSA | 68Ga-EDTA |
| Cardiac function | 99mTc-RBC/MIBI | 68Ga-BAPEN |
| Lung function | 99mTc-MAA | 68Ga-MAA |
| Hepatobiliary | 99mTc-IDA | 68Ga-IDA |
| Infection | 99mTc-WBC | 68Ga-citrate |
| Brain imaging (perfusion) | 99mTc-ECD | 68Ga-ECD |
Abbreviations: HYNIC, hydrazinonicotinamide; MDP, methylenediphosphonic acid; DTPA, diethylenetriaminepentaacetic acid; MAG3, mercaptoacetyltriglycine; DMSA, dimercaptosuccinic acid; RBC, red blood cell; MIBI, methoxyisobutylisonitrile; MAA, macroaggregated albumin; IDA, iminodiacetic acid; WBC, white blood cell; ECD, ethyl cysteinate dimer; EDTA, ethylenediaminetetraacetic acid; BAPEN, Tris(4,6-dimethoxysalicylaldimine)-N,N′-bis(3-aminopropyl)-N,N′-ethylenediamine.