TABLE 1.

DRLs for Most Common Procedures in Kuwait

ScanRadiopharmaceutical25th percentile50th percentile75th percentileMaximumMinimumSDDRL (MBq)Effective dose (mSv)
PET tumor18F-FDG222228230231185182304.4
PET brain18F-FDG2232282312312223.92314.4
PET18F-NaF185220230231185222306.2
PET68Ga (DOTATATE/PSMA)150150217231150382170.9
Gated blood pool99mTc-RBC7407408501,1007401158505.6
MPI rest99mTc-tetrofosmin, MIBI9149589761,039884499767.4
MPI stress99mTc-tetrofosmin, MIBI9149589761,039884499767.4
Renal99mTc-DMSA185200200250180202001.5
Renal99mTc-DTPA (GFR)7385901006014900.7
Renal99mTc-MAG3204260370407185903702.8
Bone99mTc-methyl diphosphonate8979279441,1104591719447.2
Brain99mTc-HMPAO828850893900800398936.8
Gastrointestinal67Ga-citrate13152025105202.0
Esophageal reflux99mTc-DTPA36404040303400.3
Hepatobiliary99mTc-HIDA200200210220190102101.6
Lung perfusion99mTc-MAA200204218220190112181.7
Parathyroid99mTc-MIBI, tetrofosmin850875900900800359006.8
Salivary gland99mTc-pertechnetate18619020020018082001.5
Testicular99mTc-pertechnetate500550600600400826004.6
Thyroid131I-iodide2002002002501802520010.4
Thyroid99mTc-pertechnetate185185185250185211851.4
Gastric emptying99mTc-DTPA13153737105370.3
Meckel diverticulum99mTc-pertechnetate250264278278220242782.1
Salivary gland99mTc-pertechnetate19419720020010592001.5
Renal cystogram99mTc-pertechnetate919494100904940.7
Testicular99mTc-pertechnetate500520520555500175204.0
Infection67Ga-citrate2002002202202001022022.0
Infection99mTc-WBC (colloid/HMPAO)663725750800500947505.7
Lymphoscintigraphy99mTc-nanocolloid36404040303400.3
CSF leak99mTc-DTPA38637037040737014.73702.8
CSF shunt patency99mTc-pertechnetate, DTPA808080100808800.6
  • PSMA = prostate-specific membrane antigen; RBC = red blood cell; MPI = myocardial perfusion imaging; MIBI = methoxyisobutylisonitrile; DMSA = dimercaptosuccinic acid; DTPA = diethylenetriamine pentaacetic acid; GFR = glomerular filtration rate; MAG3 = mercaptoacetyltriglycine; HMPAO = hexamethylpropyleneamine oxime; HIDA = hepatobiliary iminodiacetic acid; WBC = white blood cell; MAA = macroaggregated albumin; CSF = cerebrospinal fluid.

  • Dose distributions are presented in terms of 25th percentile, 50th percentile, 75th percentile, maximum, minimum, SD and effective dose associated with DRL of administered activity.