TABLE 2.

Qatar DRLs for PET/CT and General NM Procedures in Comparison to Other Countries

Procedure	Agent	Qatar (this study)	Kuwait (10)	Korea (11)	Japan (12)	Australia (13)	U.K. (14)	U.S. (15)	European Union (16)
PET oncology	¹⁸F-FDG	258	230	370	240	310	400	461–710	200–400
PET brain	¹⁸F-FDG	202	231	370	240	250	250
NM bone	^99mTc-diphosphonate	740	944	925	950	920	600	848–1,185	500–1,110
NM thyroid uptake	^99mTc-pertechnetate	195	185	217	300	215	80		75–222
NM WB	¹³¹I-NaI	190	200	185		185	400		90–400
NM parathyroid	^99mTc-MIBI	384	900	740	800	900	900		400–900
NM cardiac stress or rest	^99mTc-MIBI	926	976	1,110	1,200	1,520	800	945–1,402
NM lung	^99mTc-MAA	103	217.5	222	260	240	100	147–226	100–296
NM lymphoscintigraphy	^99mTc-phytate	19	40	148		52	40		74–150
NM gastric emptying	^99mTc-phyton	36	37	111		44	12	31–50	150–540
NM renogram	^99mTc-DTPA	189	90	555	400	500	300	407–587
NM renogram	^99mTc-MAG3	189	370	500	400	305	100	283–379	100–370
NM renal scintigraphy	^99mTc-DMSA	101	200	185	210	200	80	189–289	70–183

MIBI = methoxyisobutylisonitrile; MAA = macroaggregated albumin; DTPA = diethylenetriaminepentaacetate; MAG3 = mercaptoacetyltriglycine.