TABLE 1.

PET/CT and General NM Procedures: Number of Included Studies, Median Activities (50th Percentile), and DRLs (75th Percentile)

Procedure	Agent	Studies (n)	Median activity, 50th percentile (MBq)	DRL, 75th percentile (MBq)
PET oncology	¹⁸F-FDG	2,523	228	258
PET brain	¹⁸F-FDG	10	200	202
PET oncology	¹⁸F- or ⁶⁸Ga-PSMA	94	234	260
PET oncology	¹⁸F-NaF	449	158	187
PET oncology	⁶⁸Ga-DOTATATE	107	135	140
NM bone	^99mTc-diphosphonate	95	703	740
NM thyroid uptake	^99mTc-pertechnetate	457	189	195
NM WB	¹³¹I-NaI	32	185	190
NM parathyroid	^99mTc-MIBI	118	374	384
NM cardiac stress or rest	^99mTc-MIBI	2,556	925	926
NM lung	^99mTc-MAA	82	74	103
NM lymphoscintigraphy	^99mTc-phytate	8	19	19
NM hepatobiliary	^99mTc-HIDA	19	185	188
NM gastric emptying	^99mTc-phyton	52	19	36
NM renogram	^99mTc-DTPA	13	186	189
NM renogram	^99mTc-MAG3	356	185	189
NM renal scintigraphy	^99mTc-DMSA	71	75	101
NM sentinel node localization in breast	^99mTc-nanocolloid	211	19	19
NM cardiac	^99mTc-pyrophosphate	22	722	740
NM lung ventilation	^99mTc-Technegas^*	23	74	99

↵* Cyclomedica.
PSMA = prostate-specific membrane antigen; MAA = macroaggregated albumin; HIDA = hepatobiliary iminodiacetic acid; DTPA = diethylenetriaminepentaacetate; MAG3 = mercaptoacetyltriglycine; DMSA = dimercaptosuccinic acid.