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Identity Dose Route of administration 99mTc-dimercaptosuccinic acid 111 MBq (3 mCi); range, 111–222 MBq (3–6 mCi) Intravenous Pediatric dose: 99mTc-dimercaptosuccinic acid 1.85 MBq/kg (0.05 mCi/kg); minimum administered activity, 18.5 MBq (0.5 mCi); maximum administered activity, 111 MBq (3.0 mCi) Intravenous Category Parameter Standard, preferred, or optional Camera type Large field of view Standard Energy peak 140 keV Standard Energy window 20% Standard Collimator Low energy, high resolution Standard Low energy, ultrahigh resolution Standard Pinhole Optional Patient position Supine Standard Camera position Posterior Standard Injection-to-imaging time 2–4 h after injection Standard 24-h delay Optional Acquisition type Static Standard Views Posterior Standard Anterior (transplant kidney or horseshoe kidney) Standard Additional views Right posterior oblique, left posterior oblique Standard Right lateral, left lateral, anterior Optional Matrix 128 × 128 or greater Standard Number of views 3–6 Optional Time per view Static: 500,000–1,000,000 counts or 5–10 min Standard Pinhole: 100,000–150,000 counts Optional Category Parameter Standard, preferred, or optional Camera type Large-field-of-view multidetector Optional Energy peak 140 keV Optional Energy window 20% Optional Collimator Low energy, high resolution Optional Patient position Supine Optional Camera position To ensure field of view includes kidneys Optional Injection-to-imaging time 2–4 h after injection Optional Acquisition type Step and shoot or continuous Optional Orbit 180° Optional Orbit type Circular or noncircular Optional Matrix 128 × 128 Optional Number of projections 120 Optional Time per projection 25–30 s Optional CT acquisition Per manufacturer’s recommendations for attenuation correction or diagnostic imaging Optional
